12334 results about "Toxic material" patented technology

A photosensitizer together with complementary light energy are used to prevent the development of infection associated with an indwelling medical catheter or device. Light of a selected wavelength or wavelength band is coupled to the catheter or device and transmitted by a wall or walls thereof to one or both of the external and internal surfaces thereof. The catheter or device also incorporates at least one photosensitizer which releases a toxic substance when activated by the light energy which destroys bacteria on or around the catheter or device. A method of preventing infection using photosensitizers and complementary light energy is also disclosed.

Downhole tools for use in oil and gas production which degrade into non-toxic materials, a method of making them and methods of using them. A frac ball and a bridge plug comprised of polyglycolic acid which can be used in fracking a well and then left in the well bore to predictably, quickly, and safely disintegrate into environmentally friendly products without needing to be milled out or retrieved.

A system is disclosed for monitoring a property of an ingested or in-taken drug, food, drink or toxic substance, non-invasively or minimally invasively, which can also identify the subject person being monitored, if desired. The system comprises: a means of labeling the substance with a labeling media to have a useful signature indicative of, or bearing a relation to the property; a means to allow the signature to be read non-invasively or minimally invasively; and a means to identify, in any manner, who is being monitored.

The invention discloses a traditional Chinese medicine for treating acne through oral administration and is prepared by more than fifty traditional Chinese medicinal materials of gamene, broom cypress fruit, cortex dictamni, and so on; moreover, the invention is added with proper amount of pangolin so as to strengthen the effect of pus evacuation. According to the traditional Chinese theory of clearing away heat and toxic material, clearing lung heat, invigorating the spleen, relieving dyspepsia, promoting qi, removing dampness, dispelling wind, arresting itching, strengthening interior, relieving superficies, activating blood circulation, cooling the blood, removing stagnation, dredging the collaterals, resisting bacterium and diminishing inflammation, the invention makes use of the synergetic effect of the components to treat acne. The medicine for oral administration has short treatment course, stable curative effect and no recurrence; mild acne can be cured in about 30 days, moderate acne about 45 days and severe acne about 60 days; through the clinical observation of 100 cases of patients with acne, the effective rate of the invention can be 100 percent and the cure rate thereof can reach 62 percent; therefore the invention solves the problems of long treatment course, insignificant curative effect, easy recurrence and certain side effect on the human body in the existing medicines used for treating acne. .

The present invention is an advanced co-generation system for abating solid wastes, hydrocarbons and other volatile organic compounds (VOC's) produced by various processes utilizing a Stirling cycle engine, turbines or other internal combustion engines doing useful work. The turbine exhaust is directed into an abatement chamber which may include a catalyst that is designed to operate at high temperature and includes supplementary fuel and air inputs which are controlled by a computer that receives sensor inputs to achieve the requisite heat ranges necessary to convert exhaust and VOC's to non-toxic substances. The exhaust generated by the abatement chamber is directed to a Stirling cycle engine for additional heat generation and recovery. The exhaust generated from this process can also be used to perform direct or indirect heating.

Recombinant microorganisms and related methods of use to enhance tolerance to toxic substances. In particular, such microorganisms and methods can be used to increase solvent production.

The invention discloses a fruit-vegetable health-care drink which is prepared from the following raw materials by weight parts: 10-18 parts of mulberries, 5-16 parts of tomatoes, 12-20 parts of pears, 10-20 parts of apples, 8-18 parts of carambolas, 10-21 parts of hawthorns, 10-18 parts of walnuts, 2-8 parts of orange peels, 10-18 parts of carrots, 6-12 parts of pumpkins, 8-16 parts of celeries, 5-10 parts of kelp, 5-12 parts of potatoes, 3-8 parts of tremella, 5-10 parts of a Chinese medicinal material extract and 2-5 parts of a sweetening agent. The fruit-vegetable drink provided by the invention is prepared from fruits and vegetables which are rich in nutritional ingredients such as natural vitamins, proteins and calcium; besides, the Chinese medicinal material extract is added so that the obtained fruit-vegetable drink further has the effects of clearing away heat and toxic materials, protecting liver and moistening lung, improving digestion and nourishing brain and blood with good taste and rich nutrition; and if the drink is taken for a long time, the excellent life nourishing effect can be achieved.

The present invention relates to bioassay materials useful for the detection of toxic substances and, more particularly, to packaging materials for food and other products, along with methods for their manufacture and use. The invention provides a unique composite material capable of detecting and identifying multiple biological materials within a single package. The biological material identification system is designed for incorporation into existing types of flexible packaging material such as polyolefin films, and its introduction into the existing packaging infrastructure will require little or no change to present systems or procedures.

A self-sustaining wastewater treatment facility abates greenhouse gas abatement, captures CO2 and produces biomass to address multiple critical environmental needs. The facility includes an array of rotating media wheels that create an optimum ordered mixing of algae for sustained growth. Biomass harvested from the rotating media wheels may be provided to other processing facilities to produce, for instance, bio-fuels. Waste CO2 from the processing facility may also be returned to the treatment system for enhanced algae growth. Bacteria are provided to form a symbiotic relationship with the algae, fueled by sunlight to effectively remove toxic materials from the wastewater. The multi-functional facility may also be integrated into a regenerative facility in which the biomass obtained from the algal and bacterial colonies is used in a separate facility and byproducts of the operation of the separate facility are used by the multi-functional facility to fuel further algal growth.

This invention relates to a method, process and apparatus for disinfecting and sterilizing all types of surfaces contaminated with microorganisms and toxic substances to render both inactive. Furthermore, this invention relates to both a method and apparatus for disinfecting and / or sterilizing breathable air and then using this air to protect a confined space from external contamination. The apparatus consists of a new ultra-violet (NUV) source that is more effective than mercury based 254 nm light for destroying DNA of virus, bacteria, spores and cists. It is most effective in breaking chemical bonds in toxic gases and Biotoxins that are useful to terrorists. It is combined with other apparatus that remove particulates and byproducts sometimes produced by the NUV source and maintains positive pressure of the confined space so as to prevent the influx of air from outside the protected zone.

A protective covering is described comprising at least one microporous film attached to a functional layer, the protective covering capable of inhibiting the passage of toxic substances therethrough. Preferably the functional layer is an adsorptive layer contained between two oleophobic, microporous films. Additional shell and backer layers may be added to the construction forming a protective covering having good durability, flexibility and high moisture vapor transmission.

A wastewater treatment system and process includes a treatment system for biologically treating wastewater to produce substantially clean water effluent and byproducts. The treatment system includes an array of rotating media wheels for sustained algae growth. The media wheels are supported so that the algae rotates into and out of the wastewater for exposure to sunlight. One byproduct is algae removed from the rotating media wheels, which may be provided to other processing facilities to produce, for instance, bio-diesel fuel. Waste CO2 may also be provided to the facility for enhanced algae growth. Bacteria is provided to form a symbiotic relationship with the algae, fueled by sunlight to effectively remove toxic materials from the wastewater. Rotation of the media wheels can be accomplished by air jets that also operate to dislodge excess algae as a byproduct of the system and process.

To be able to form a copper-zinc-tin alloy which optionally comprises at least one chalcogenide and thus forms a semiconductor without the use of toxic substances a metal plating composition for the deposition of a copper-zinc-tin alloy is disclosed, wherein said metal plating composition comprises at least one copper plating species, at lease one zinc plating species, at least one tin plating species and at least one complexing agent and further, if the alloy contains at least one chalcogen, at least one chalcogen plating species.

Downhole tools for use in oil and gas production which degrade into non-toxic materials, a method of making them and methods of using them. A frac ball and a bridge plug comprised of polyglycolic acid which can be used in fracking a well and then left in the well bore to predictably, quickly, and safely disintegrate into environmentally friendly products without needing to be milled out or retrieved.

A composite membrane comprising a layer of rubberized asphalt having a heavy duty plastic film layer continuously bonded to one side and, optionally, a layer of nonwoven geotextile continuously bonded to the other side. The membrane can be used in vertical or horizontal applications, and is particularly useful for its stress-relief properties that resist crack formation and propagation in concrete walls and slabs in addition to serving as a barrier to moisture, toxic substances and insects. An appropriate composite membrane of the invention can be advantageously utilized in positive side, blindside, underslab or split slab applications. The thickness of the composite membrane preferably ranges from about 30 mils to about 150 mils.

A primer composition with reduced toxicity suited for reduced-energy ammunition comprises bismuth (III) oxide as the principal oxidizer and contains a portion of propellant composition mixed therein. This composition may also be used in a cartridge which is otherwise substantially free of any other propellant compound and preferably produces a residue which is substantially free of toxic substances.

Device for haemodiafiltration, which comprises a first circuit for a dialysis solution and a second circuit for blood, so that the toxic substances from the blood flow pass into the dialysis liquid within a haemofilter (11), a liquid pump (20) located upstream of the haemofilter (11) in the first dialysis liquid circuit, is adapted for injecting replacement liquid into the dialysis solution flow after a blood pump (15) finishes pumping blood to the interior of the haemofilter (11).

The invention relates to a graphene / cotton cloth flexible conducting fabric and a preparing method of the graphene / cotton cloth flexible conducting fabric. The graphene / cotton cloth flexible conducting fabric is prepared through the following steps of adsorbing oxidized graphene through cotton fabrics, and then performing in-situ chemical reduction. An impregnation-drying method is used for covering the oxidized graphene on the surface of the cotton fabric fiber; then, an in-situ chemical reduction method is used for reducing the oxidized graphene into graphene, so that the cotton fabric has good conducting performance. The applied method has the advantages that the use of surfactants, auxiliary agents and toxic substances is avoided; the preparing method belongs to a safe, simple, convenient, green, energy-saving and environment-friendly preparing method.

The invention relates to thermosetting acrylic resin for a powder coating. The thermosetting acrylic resin is prepared from the following raw materials in parts by mass: 4-14 parts of an initiator, 110-280 parts of soft monomers, 400-570 parts of hard monomers, 192-450 parts of functional monomers, and 1-8 parts of a molecular weight regulator, wherein the soft monomers refer to acrylic acid alkyl ester compounds, and the hard monomers refer to methacrylate, styrene, or compounds of derivatives of methacrylate and styrene. The acrylic resin contains epoxy functional groups and hydroxyl functional groups simultaneously, wherein the epoxy equivalent is 570-630g / mol and the hydroxyl value is 40-50mgKOH / g; the acrylic resin can react with various substances such as carboxyl, amidogen and isocyanate and can be used for powder coating. A coating film, which is formed after the thermosetting powder coating prepared from the acrylic resin in combination with other materials is sprayed, has excellent weather resistance, good leveling performance, outstanding surface hardness, and high glossiness, durability and decorating performance; the powder coating can be used for indoor or outdoor metal sectional materials or building materials. The thermosetting acrylic resin can substitute for TGIC (triglycidyl isocyanurate) to a certain extent so as to avoid the use of the toxic substances.

The invention relates to a Chinese medicine for treating psoriasis, in particular to Chinese medicinal powder for treating psoriasis. The Chinese medicinal powder for treating psoriasis consists of Chinese medicinal powder for oral administration and external embrocation, wherein the Chinese medicinal powder for oral administration consists of 45 Chinese medicines of angelica dahurica, cicada slough and the like; and the external embrocation consists of 18 Chinese medicines of centipede, scorpion and the like and medicinal ethanol and dimethyl sulfoxide. In the Chinese medicinal powder for treating psoriasis, on the basis of a secret recipe handed down in the family, the pathogenesis of psoriasis is found, and Chinese medicinal decoction tablets which are beneficial for clearing heat, cooling blood and detoxicating, dispelling wind, arresting itching and detoxicating, removing dampness, promoting blood circulation and detoxicating, enriching blood, moistening dryness and detoxicating or Chinese medicinal decoction tablets of insects medicines for detoxicating and eliminating toxic materials and the like are subjected to compatibility scientifically by many years of clinical experiences, and medicines for oral administration and external use are prepared by the conventional process; and due to the adoption of the conventional preparation technology, the Chinese medicinal powder for treating psoriasis is a pure Chinese medicinal preparation, has the characteristics of addressing both symptoms and root causes along with no toxic or side effect, relapse prevention and the like, is convenient to use, economic and practical, and patients can use safely and have light burden.

A photosensitizer together with complementary light energy are used to prevent the development of infection associated with an indwelling medical catheter or device. Light of a selected wavelength or wavelength band is coupled to the catheter or device and transmitted by a wall or walls thereof to one or both of the external and internal surfaces thereof. The catheter or device also incorporates at least one photosensitizer which releases a toxic substance when activated by the light energy which destroys bacteria on or around the catheter or device. A method of preventing infection using photosensitizers and complementary light energy is also disclosed.

The invention relates to a treatment method of sludge generated by urban sewage treatment plant and industrial sludge and discloses a sludge treatment method based on hydrothermal carbonization. The sludge treatment method comprises four steps: sludge preheating treatment, hydrothermal carbonization, waste heat recovery and dehydration desiccation. By adopting the sludge treatment method, as the sludge is converted to hydrothermal carbon by adopting a hydrothermal carbonization technology, pathogenic microorganisms in the sludge are completely killed, most heavy metal pollutants in the sludge are dissolved out, and organic toxic substances in the sludge are effectively decomposed, so that the energy recovery utilization rate is high, and the sludge treatment method is clean, environment-friendly, rapid and effective and has high product additional values.

Methods of producing biocompatible intraluminal prostheses are provided and include immersing polymeric material of an intraluminal prosthesis in a densified carbon dioxide composition under controlled conditions such that toxic materials are absorbed by the densified carbon dioxide composition.

A system and method for tracking medical or toxic waste including a first container adapted to hold untreated medical waste, the container having a wireless tracking device attached thereto. The system also includes a tracking station capable of monitoring the movement of the medical waste by tracking the wireless tracking device.

The invention discloses a composite plant enzyme containing probiotics and an application of the composite plant enzyme. The composite plant enzyme comprises amylase, lipase, protease, cellulase, beta-dextranase, xylanase and lactase. The composite plant enzyme is obtained by discontinuously feeding materials and fermenting for a plurality of periods, selecting a plurality of types of fruits and vegetables, and edible and medical plants as fermentation substrates and taking a plurality of types of probiotics / yeasts as fermentation inoculation substances through a plurality of grades of deep fermentation. The composite plant enzyme contains seven enzymes needed by a human body at the same time so that the plant enzyme has the synergistic effects of promoting in-vivo metabolism and decomposing toxic substances; the plant enzyme contains a high-activity compound enzyme and has a wide acting condition, good adaptability, and good stability, acid-base resistance and high-temperature resistance; the plant enzyme can effectively and rapidly improve the biochemical reaction speed and can be used as a raw material to be applied to foods and chemicals for daily use.

The invention relates to a capsule for forcedly improving the immunity, which is a capsule formulation prepared by traditional Chinese medicines of parasites detoxifying and destroying type, heat dry dampness clearing, detoxifying and blood cooling type, cough and asthma relieving and phlegm reducing type, temperature cooling and exterior relieving type, kidney warming and yang enhancing type, health building type, resolving damp with aromatics and blood enriching type, qi invigorating type, spleen and stomach strengthening and interior warming type, invigorating blood circulation by removing blood stasis type, liver soothing and qi regulating type, yin tonifying and converging type, digestion helping type, liver clearing, vision helping and resuscitation inducing type, deswelling and pain stopping type, heart nourishing as well as fever reducing and fire purging type according to a certain preparation method. The capsule has the functions as follows: forcedly improving the immunity, clearing away heat and toxic material, detoxifying and destroying parasites, soothing the liver and regulating qi, invigorating blood circulation by removing blood stasis, building health, invigorating qi and enriching blood, regulating qi and stopping pain, inducing diuresis and excreting dampness, eliminating phlegm, relieving cough and asthma, warming kidney and enhancing yang, invigorating the spleen and stomach and the like. The capsule has effects for various headaches, dizzy and neurasthenia, and various intestinal tract diseases, abdominal pains and abdominal distension, and various waist and leg pains and various tumors, and can cure diseases when in ill, build body when not in ill, and can achieve the goal of healthy and long life if the long-term or discontinuous taking is carried out.

The invention discloses a health-care soy sauce, prepared from the following raw materials in parts by weight: 40-70 parts of soybeans, 30-65 parts of bran, 35-70 parts of wheats, 0.1-5 part(s) of seasonings, 2-10 parts of traditional Chinese medicine nutrient solution, 5-20 parts of edible salt and 20-50 parts of water. The traditional Chinese medicine nutrient solution is prepared from the following raw materials in parts by weight: 1-5 part(s) of poria cocos, 3-5 parts of chrysanthemum, 2-7 parts of hawthorn, 1-5 part(s) of liquorice, 2-5 parts of semen cassiae and 1-3 part(s) of medlar. The health-care soy sauce provided by the invention is prepared through the steps of stewing, starter propagation, dilute-state high-salt fermentation and the like; and a production process of the soy sauce is simple and is low in production cost. As the Chinese medicinal herb components such as the poria cocos, the chrysanthemum and the hawthorn are added into the health-care soy sauce, the health-care soy sauce is good in taste and delicious in flavor, also has the functions of reducing blood fat, clearing away heat and toxic materials, preventing cancer and improving human body immunity, and is beneficial to health if being taken for a long time.

The invention discloses treatment liquid and a method for preparing a Ti / Zr-containing yellow passive film on the surface of an aluminum alloy. Each liter of treatment liquid comprises the following components by weight: 0.5 to 2.0g of fluorotitanic acid, 0.4 to 2.0g of fluorozirconic acid, 2.0 to 5.0g of manganate and 0.5 to 2.0g of organic acid; and the pH value of the treatment liquid is between 2.0 and 3.0. The treatment liquid of the invention does not contain chromium or other toxic substances, conversion treatment is realized without heating, the treatment time is between 5 and 30 minutes, and a yellow Ti / Zr-containing chemical conversion film can be prepared on the surface of the aluminum alloy. The chemical conversion film prepared by the method has high decay resistance and high bonding strength with a substrate, and is treated at room temperature by a simple process; and the coating does not contain hexavalent or trivalent chromium which is harmful to environment and human bodies.

The invention relates to a tobacco juice of an electronic cigarette. The tobacco juice comprises, by weight, 50-80 parts of propylene glycol, 5-30 parts of glycerinum, 2-5 parts of edible alcohol, 1-30 parts of tobacco extracts, 0.5-15 parts of tobacco flavor and 0.5-10 parts of Chinese herb extracts having a sore-throat relieving function. The Chinese herb extracts having the sore-throat relieving function are mixed with the tobacco extracts, so that the tobacco juice of the electronic cigarette is richer and more harmonious in fragrance and good in satisfaction feeling, the shortcoming of lacking fragrance and taste of the tobacco juice of the electronic cigarette is improved to some extent, and the tobacco juice has the effects of clearing heat from throat, clearing away heat and toxic materials, relieving swelling and pain and the like.