960 results about "Tetrazole" patented technology

Thermally stable gas generant compositions incorporate a combination of one or more primary nonazide high-nitrogen fuels selected from a group including tetrazoles, bitetrazoles, and triazoles, and salts thereof; and one or more secondary nonazide high nitrogen fuels selected from azodicarbonamide and hydrazodicarbonamide. The primary and secondary fuels are combined with phase-stabilized ammonium nitrate that when combusted, results in a greater yield of gaseous products per mass unit of gas generant, a reduced yield of solid combustion products, lower combustion temperatures, and acceptable burn rates, thermal stability, and ballistic properties. These compositions are especially suitable for inflating air bags in passenger-restraint devices.

An organic light emitting device having an anode, a cathode and an organic layer disposed between the anode and the cathode is provided. In one aspect, the organic layer comprises a compound having at least one zwitterionic carbon donor ligand. In another aspect, the organic layer comprises a carbene compound, including the following:

In another aspect, the organic layer comprises a carbene compound, including:

In another aspect, the organic layer comprises a carbene compound that includes a triazole ring and has the structure:

In another aspect, the organic layer comprises a carbene compound that includes a tetrazole ring and has the structure:

PCT No. PCT/JP96/03801 Sec. 371 Date Jun. 29, 1998 Sec. 102(e) Date Jun. 29, 1998 PCT Filed Dec. 26, 1996 PCT Pub. No. WO97/24339 PCT Pub. Date Oct. 7, 1997A tetrazole derivative of formula (I) wherein R is H, alkyl, alkoxy, carbocyclic ring, alkyl or alkoxy substituted by carbocyclic ring; AA1 and AA2 is a bond or and respectively, or AA1 and AA2, together, may have the formula (a); and Y is formula (b) wherein the Tet ring is tetrazole; Z is alkylene, alkenylene, O, S, SO, SO2, NR26, methylene in alkylene replaced by O, S, -SO-, -SO2- or -NR26-; and E is H, alkyl, or COOR27.

The present invention relates to new tetrazole compounds of formula I wherein B, P, Q, W, R₁ and R₂ are defined in the description: invention compounds are useful for the treatment or prevention of central nervous system disorders as well as other disorders modulated by mGluR5 receptors.

A material for a pyrotechnic composition and related pyrotechnic compositions are provided in which the material includes a substituted basic metal nitrate including a reaction product of an acidic organic compound and a basic metal nitrate. A method for enhancing a burn rate of a gas generant composition and a burn rate enhanced gas generant composition including a reaction product of basic metal nitrate and tetrazoles, tetrazole derivatives, and combinations thereof, and a nitrogen-containing co-fuel such as guanidine nitrate are also disclosed. The burn rate enhance gas generant composition may optionally include an additional oxidizer such as basic copper nitrate.

A polishing composition comprises: at least one compound selected from tetrazole compounds and derivatives thereof and anthranilic acid compounds and derivatives thereof; abrasive particles comprising associative abrasive particles; and an oxidizing agent.

A sol solution containing poly(titanic acid) and a planar heterocyclic ligand is provided. Titanium dioxide (TiO₂) particles are formed by aging the sol solution at a temperature below about 140° C. The particles have metallocene-like Ti-complexes comprising the heterocyclic ligand and can be substantially in the anatase phase. The heterocyclic ligands can be triazole, tetrazole, or thiadiazole. The sol solution may be prepared by aging a precursor solution. The precursor solution may contain the heterocyclic ligands and a precursor for poly(titanic acid). The precursor may be titanium alkoxide or titanium chloride. The sol solution may also contain at least one of an organic acid, a base, and a surfactant. The aged sol solution may form a colloidal dispersion of the TiO₂ particles. A photo-catalytic and transparent film may be formed from the TiO₂ particles by depositing a layer of the colloidal dispersion on a support.

The present invention is for high permeance and high selectivity blend polymeric membranes comprising poly(ethylene glycol) (PEG) and a highly permeable polymer selected from the group consisting of polymers of intrinsic microporosity (PIMs), tetrazole-functionalized polymers of intrinsic microporosity (TZPIMs), or mixtures thereof. The present invention also involves the use of such membranes for separations of liquids and gases.

The invention discloses an azotetrazole-based energetic compound with the composition of M(ATZ)(L)n question mark mH2O, wherein, M refers to Mn, Co, Ni, Cu, Zn or Pb; ATZ refers to 5, 5'-azotetrazole ion, L refers to 1, 10-o-phenanthroline or 2, 2'-dipyridyl, n refers to 1 or 2, and m refers to an integer or a decimal between 0 and 10. In the invention, the 1, 10-o-phenanthroline or the 2, 2'-dipyridyl is introduced into the M(ATZ) as an ancillary ligand to obtain a novel compound, thus integrating the characteristics of high efficiency, insensibility and environmental protection of a catalyst on the premise of the combustibility improvement of composite propellants. The azotetrazole-based energetic compound has the advantages of simple preparation method and accessible raw materials.

Epimers and isomers of tetrazole-containing rapamycin analogs are immunomodulatory agents and are useful in the treatment of restenosis and immune and autoimmune diseases. Also disclosed are cancer-, fungal growth-, restenosis-, post-transplant tissue rejection- and immune- and autoimmune disease-inhibiting compositions and a method of inhibiting cancer, fungal growth, restenosis, post-transplant tissue rejection, and immune and autoimmune disease in a mammal. It is preferred to use a combination of native rapamycin and its tetrazole containing isomers and epimers. One particular preferred application of such a combination of rapamycin and its tetrazole containing isomers and epimers is in medicated devices and local vascular delivery wherein the stability and lipid solubility and subsequently diffusion through tissue and cell membranes of the tetrazole isomers and epimers are essential to the success of the combined rapamycin formulation.

The invention relates to a silver plating anti-tarnish protectant compound. The protectant compound comprises the following components in percentage by weight: 13 to 15 percent of aliphatic alcohol polyoxyethylene ether, 8 to 10 percent of 1-phenyl-pentasulfhydyl tetrazole, 4 to 5 percent of 2-sulfhydryl benzoxazole, 3 to 5 percent of t-dodecyl mercaptan, 3 to 5 percent of 2-sulfhydryl benzimidazole, 8 to 10 percent of anhydrous ethanol, 8 to 10 percent of ethylene glycol, and the balance of deionized water. The silver plating anti-tarnish protectant compound forms a protective complex film on a silver surface, has a higher corrosion inhibition rate, and obviously improves the sulfidation resistance and abrasion resistance of the silver surface. The silver plating anti-tarnish protectant compound is mainly used for the tarnish prevention of silvered electronic parts and components, and is also applied to the sulfidation and tarnish prevention of silver or silvered jewellery, jewelry, ornaments, artwork, tableware, and the like. The silver plating anti-tarnish protectant compound can effectively protect silvered articles against sulfidation and tarnish in a certain period, keep the original metal luster and has no influence on the conductivity and weldability of the parts.

The invention relates to a ferrocene high-nitrogen ionic compound and a preparation method thereof. The structural formula of the compound is disclosed as Formula (1), wherein X is C or N; R is C[m]H[2m+1], and m is 1-16; and Y<-> is N[3]<-> or [N(NO[2])[n](CN)[2-n]]<-> (n is 0-2), or [C(NO[2])[n](CN)[3-n]]<-> (n is 0-3), or high-nitrogen heterocyclic anion or polynitrophenol anion or di-tetrazole anion. Since anions and cations have Coulomb electrostatic interaction, the ferrocene high-nitrogen ionic compound has the advantages of high heat stability and high catalytic performance, and can be used as a catalyst in a rocket propellant; the ferrocene high-nitrogen ionic compound has low steam pressure and is nonvolatile under natural conditions, and therefore, can solve the problems of high migration tendency and high volatility of the existing ferrocene combustion regulator in the propellant; and meanwhile, the synthesis method is simple and easy to implement, has the advantage of low cost, and is applicable to industrialized application.

A liquid for polishing metals, which is used in the chemical and/or mechanical flattening of a semiconductor device, the polishing liquid being characterized in that it comprises at least one member selected from the group consisting of tetrazoles or triazoles represented by any one of the following general formulas (I) to (III):

wherein, R^a represents at least one substituent selected from the group consisting of a sulfo, an amino, a phosphono, a carbamoyl, a carbamide, a sulfamoyl, and a sulfonamide group; R^b represents at least one substituent selected from the group consisting of a hydroxyl, a carboxyl, a sulfo, an amino, a phosphono, a carbamoyl, a carbamide, a sulfamoyl, and a sulfonamide group; and L^b represents a divalent connecting group; and R^c and R^d each independently represent a hydrogen atom or a substituent, and at least one of R^c and R^d represent a hydroxyl, a carboxyl, a sulfo, an amino, a phosphono, a carbamoyl, a carbamide, a sulfamoyl, and a sulfonamide group or a group: -L^a-R^e; wherein L^a represents a divalent connecting group; R^e represents a hydroxyl, a carboxyl, a sulfo, an amino, a phosphono, a carbamoyl, a carbamide, a sulfamoyl or a sulfonamide group; R and R′ each independently represent a group selected from the group consisting of a hydrogen atom, alkyl groups and aryl groups; and R″ independently represents a group selected from the group consisting of alkyl groups and aryl groups.

A fire suppressing gas generator composition which has a low burn temperature which provides an adjustable mass flow rate, which provides high inert gas yields upon combustion, which generates flame suppressing gasses during composition, which provides exhaust gas with low particulate content, and which is suitable for use in pellet form. The gas generator composition of the invention generally comprises a high nitrogen content solid, preferably 5-amino tetrazole, and potassium perchlorate or other oxidizer salt in an amount sufficient to allow flameless deflagration of the high nitrogen contant solid. The composition of the invention also preferably comprises a flame inhibitor precursor such as perbrominated aromatic compound, an elastomeric binder, a powder pressing modifier or enhancer such as mica, and an electrostatic charge suppressant such as graphite.

The present invention generally relates to gas generant compositions for inflators of occupant restraint systems, for example. An extrudable pyrotechnic composition includes polyvinylazoles for use within an airbag gas generator. The fuel may be selected from exemplary polyvinylazoles including 5-amino-1-vinyltetrazole, poly(5-vinyltetrazole), poly(2-methyl-5-vinyl) tetrazole, poly(1-vinyl) tetrazole, poly(3-vinyl) 1,2,5 oxadiazole, and poly(3-vinyl) 1,2,4-triazole. An oxidizer is combined with the fuel and preferably contains phase stabilized ammonium nitrate. A novel method of forming the compositions is also presented wherein the various constituents are wetted and/or dissolved, and then cured within the polyvinylazole matrix thereby forming a more intimate combination within the gas generant composition. A vehicle occupant protection system 180, and other gas generating systems, incorporate the compositions of the present invention.

A resin composition, a printed circuit board using the composition, and a method of manufacturing the printed circuit board. The resin composition includes: a photopolymerizable compound, such as one having an ethylenically unsaturated bond which is polymerizable in a molecule, a photoinitiator, and a surface-modified silica by an alkyl sulfonated tetrazole compound.

A one-pot process for preparing ammonium and hydroxylammonium salts of bis 5,5′-tetrazole-1,1′-dihydroxide, specifically, diammonium bis 5,5′-tetrazole-1,1′-diolate (ABTOX) and dihydroxylammonium 5,5′-bistetrazole-1,1′-diolate (TKX-50). The process requires the reaction of sodium azide, dichloroglyoxime, HCl in dioxane solution to form bis 5,5′-tetrazole-1,1′-dihydroxide and treating this product with either ammonium chloride to produce ABTOX or hydroxylamine hydrochloride to produce TKX-50.