4106results about How to "Non-toxic" patented technology

This invention provides novel nanofiber enhanced surface area substrates and structures comprising such substrates for use in various medical devices, as well as methods and uses for such substrates and medical devices. In one particular embodiment, a method of administering a composition to a patient is disclosed which comprises providing a composition-eluting device, said composition-eluting device comprising at least a first surface and a plurality of nanostructures attached to the first surface, and introducing the composition-eluting device into the body of the patient.

A flameless heating system comprising the mixture of solid state titanium boride materials with a solution of hydrogen peroxide. A small amount of solid titanium boride in the form of a tablet, powder, or thin film is added to an aqueous peroxide solution. After addition of the solid titanium boride to the aqueous peroxide solution, a significant amount of heat is released to the surroundings. As the mixture of solid titanium boride to the aqueous peroxide solution often forms a gel, the mixture provides self-regulated amounts of heat.

Disclosed are compounds, compositions and methods for systemic and local delivery of biologically active molecules.

The present invention relates to dialysis solutions for peritoneal dialysis, containing hydroxyethyl starch as the osmotically-active substance, electrolytes and, optionally, conventional additives, where the hydroxyethyl starch has a molecular weight Mw in the range from 10,000 to 150,000, a substitution MS in the range from 0.10 to 0.40, a substitution DS in the range from 0.09 to 0.35 and a substitution ratio C2/C6>=8. With this peritoneal dialysis solution it is possible, with an outstanding ultrafiltration, to maintain a longer dwell time, for example the dialysis solution can be utilized for a period of 12 hours in the CAPD without replacement. In addition, the inventive dialysis solution is also particularly advantageous for patients with residual kidney function. The resorption of the osmotically active substance is clearly diminished and even after a dwell time of 12 hours it amounts to a maximum of 60-70%.

The invention discloses a method for preparing graphene aerogel and graphene/ metallic oxide aerogel. The method is characterized in that graphite oxide aqueous solution serves as a raw material, alcohol serves as a cross-linking agent, a precursor solution is obtained through the simple mixing and dispersing processes, the hydrothermal method is adopted, the freeze drying method or a supercritical drying method is adopted, and then the graphene aerogel is obtained . The graphene/ metallic oxide aerogel can be prepared by adding metallic oxide into the polymeric precursor solution. On one hand, the graphene vinyl aerogel material has the characteristic of the graphene aerogel, and on the other hand, the graphene vinyl aerogel material can have the physicochemical characteristic of the metallic oxide. In addition, the aerogel material has a large specific surface and good electrical conductivity, can directly serve as a supercapacitor electrode, and has large specific capacity, good rate capability and cycling stability. The materials used in the method are low in cost, the industrial process is simple, and the method is friendly to the environment.

Ductile, high-density, non-toxic W-Ni-Mn-Fe alloy compositions and methods of manufacture by which they may be converted to shot (for use in shotshells) and other useful products traditionally made of lead alloys are presented. Product of the present invention is softer than gun barrel steels and may be hand-loaded (and recycled/reloaded) into shotshells using conventional powders, primers, casings and wads. If desired for game law enforcement, shot of the present invention may be formulated to be ferromagnetic while retaining all other desirable attributes.

The invention discloses an electronic control dimming medium which comprises two substrate layers. A mixed layer is arranged between two substrate layers and is made by mixing smectic phase liquid crystal and additives. A conductive electrode layer is arranged at the sides of two substrate layers towards the mixed layer, and the conductive electrode layer is connected with a circuit drive control apparatus. Two substrate layers can be made of glass, or two substrate layers can be made of plastic, or one substrate layer is made of the glass, and the other substrate layer is made of the plastic. When an electric signal which is applied to the conductive electrode layer is controlled, smectic phase liquid crystal molecules can be characterized by different arrangement states, and the arrangement states are the same in the electroless case, so as to ensure that the medium can be switched between a vaporific shielding state and a full transparent state and even can be switched among various gradual progress states of different gray scales. The electronic control dimming medium can be widely applied to the fields of building decoration and fitment, privacy control area, automobile electronics, electronic bulletin board, etc.

The invention relates to a preparation method of a star polycarboxylic acid high-performance water reducing agent. Polybasic alcohol and (methyl) acrylic acid used as main raw materials for esterification are esterified and polymerized to prepare the star polycarboxylic acid high-performance water reducing agent material: the (methyl) acrylic acid and polybasic alcohol used as reactants are esterified under the action of a catalyst to firstly prepare a star polymerizable active terminal, and free-radical polymerization reaction is carried out with unsaturated polyethenoxy ether, molecular weight regulator and unsaturated carboxylic acid monomer under the action of an initiator to prepare the star polycarboxylic acid high-performance water reducing agent. The invention is easy to control, and has the advantages of high polymerization degree, low cost and no pollution; the esterification reaction is carried out form an active core, and the free-radical polymerization is carried out to generate the chain arm, thereby implementing the polycarboxylic acid high-performance water reducing agent in a star molecular structure; and under the condition of common doping amount and low doping amount, the star polycarboxylic acid high-performance water reducing agent has better cement paste flowability and holding capacity than the traditional linear and comb polycarboxylic acid water reducing agents, and has favorable cement adaptability and concrete application performance.

An environmentally-friendly cleaning composition for oil cleaning comprising (a) a blend of dibasic esters, (b) one or more surfactants (c) and, optionally, (d) water or a solvent. The dibasic esters are be derived from a blend of adipic, glutaric, and succinic diacids, and, in one particular embodiment, the blend comprises dialkyl adipate, dialkyl methylglutarate and dialkyl ethylsuccinate, wherein the alkyl groups individually comprise a C₁-C₁₂ hydrocarbon group. The one or more surfactants are typically chosen from alcohol alkoxylate, an alkyl phenol ethoxylate, a terpene, a terpene alkoxylate or any derivates thereof. Optionally, additional components or additives including delaminates such as pinene and d-limonene, fragrances, whiteners, stabilizers, thickeners and the like can be added to the composition.

The Technology described herein applies to medical dressings designed to heal wounds in the area of advanced wound care, inclusive of Negative Pressure Wound Therapy (NPWT), and describes novel wound healing absorbent scaffolds and dressing based on natural and naturally-derived material and fibers, preferentially poly (lactic) acid fibers and alginate materials.

The present invention relates to nano mesoporous and mesoporous-macroporous biological glass produced and through surfactant self-assembling and sol-gel process under mild reaction condition and possessing excellent bioactivity. The new type of biological glass has controllable mesoporous structure, homogeneous and adjustable mesopore distribution, relatively great specific surface area and porosity, macropores with adjustable size and porosity, and controllable shape. The present invention may be used as bone repairing material, dental material and rack material in tissue engineering and for medicine embedding and controlling releasing, etc.

The invention provides compositions and methods for the preparation of biocompatible biomaterials from adipose tissue. Biocompatible biomaterials are cellular or acellular biomaterials. The invention further provides methods of use of the biocompatible biomaterials.

The invention discloses mask liquid with multiple skin care effects and a preparation method thereof, aims at providing mask liquid which has effects of skin whitening, speckle removing, wrinkle smoothing, inflammation relieving and diminishing, long-lasting moisturizing and grease balancing, and belongs to the technical field of cosmetics. According to the technical scheme, the mask liquid is prepared from, by weight, 0.5%-3% of sericin, 3.011%-14.02% of a plant extract, 1.11%-8.35% of a moisturizer, 8%-15% of polyalcohol, 0.1%-1.5% of active peptides, 0.08%-0.15% of Carbomer, 0.08%-0.15% of triethanolamine, 0.02%-0.06% of disodium EDTA, 0.3%-0.5% of a preservative and the balance deionized water.

The novel discovery that protonated nucleic acids inhibit bacterial growth is reported and methods for the preparation and therapeutic use of nuclease resistant and acid resistant protonated/acidified nucleic acids for administration to animals including man, to treat or prevent a bacterial infection are described.

An intumescent composition which comprises a polymer selected from a silane-terminated polyurethane or a silane-terminated polyether, a plasticizer that is compatible with the polymer and an intumescent ingredient. Processes of forming a cured intumescent substance, and methods of fire protecting a building are also provided.

An applique for application to a body part, which comprises a thin flexible film having an array of decorative stones or gems adhesively secured on the upper surface and wherein the bottom surface of said applique has a self-adhesive layer.

A deodorizing composition that entraps and neutralizes malodors and is intended to be used on a pet. The deodorizing composition contains cyclodextrin, an aqueous carrier, a water soluble silicone, and a buffer system comprising citric acid. The composition has a pH from about 5 to about 8.5 and the composition is non-irritating and non-toxic to pets.

Fire retardant or flame retardant additives are incorporated into thermoplastic, thermoset, and/or elastomeric polymer materials to form polymer compositions having improved fire retardant properties. More particularly, the polymer compositions of the present invention comprise additive compositions which have the effect of improving the FR effectiveness, the additive compositions comprising a mesoporous silicate additive. In addition, the polymer compositions of the present invention comprise additive compositions comprising a mesoporous silicate additive and a filler, wherein the filler is a flame retardant addition, an inert filler, or combinations thereof.

The invention relates to a preparation method of a mud-resistant polycarboxylate-type water reducer. The preparation method comprises the following specific steps: stirring an unsaturated small monomer containing an epoxy group, a secondary amine small organic molecule and a small organic molecule containing halogen at certain temperature under the action of a catalyst to obtain a product of quaternary ammonium salt unsaturated small monomer; carrying out water phase free radical polymerization reaction on the quaternary ammonium salt unsaturated small monomer, an unsaturated ester small monomer, an unsaturated sulfoacid small monomer, an unsaturated acid small monomer and an unsaturated polyether large monomer under the combined action of an initiator and a chain transfer agent to obtain a copolymerized product, regulating the pH value after reaction and adding water to obtain the polycarboxylate-type water reducer. The mud-resistant polycarboxylate-type water reducer prepared by the method has the advantages of being simple in reaction, easy to control and low in cost. Besides, adverse effect caused by mud-containing aggregate in the concrete can be avoided, and the problems of insufficient concrete slushing, large slump loss and low strength are solved without increasing the mixing amount of the water reducer.

The electronic industrial glass cleaning agent composition belongs to the field of electronic industrial cleaning technology. The cleaning agent consists of sodium metasilicate, sodium hydroxide, sodium carbonate, sodium bicarbonate, Pluronic polyol, CMC, fluoric surfactant, complexing agent, defoaming agent and deionized water. It is used to clean substrate glass and coated conducting glass. During the cleaning, the cleaning agent in 1-5 % is compounded with deionized water in 95-99 % to compound the cleaning liquid for showering or ultrasonic cleaning to eliminate pollutant on glass fastcompletely. It is used to replace strong acid and strong alkali cleaning agent and has no damage to glass surface and no corrosion to ITO film. The cleaning agent has no bad smell, no toxicity and no corrosion, and is safe, reliable, environment friendly and low in cost.

A composite positive electrode material with a core-shell structure for a lithium ion battery consists of a core active material and a shell active material. The core active material is a lithium iron phosphate or a lithium manganate, and the shell active material is a composite lithium iron phosphate with carbon. The carbon is one or more of carbon nanotube, superfine conductive carbon black and amorphous carbon material. The composite positive electrode material includes from 65% to 99% core active material and from 1% to 35% shell active material, based on the total weight of the composite positive electrode material. The composite positive electrode material has stable property and excellent electrochemistry performance. The lithium ion battery made with the material has higher charge-discharge capacity, excellent cycle performance. It can be charged quickly and discharged at high rate. A preparing method for the composite positive electrode material is also provided.