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| Patent # | Description |
|---|---|
| US-4,255,366 |
Process of producing a cooling tower A cooling tower, a process for producing a cooling tower, and a reinforcing element suitable for use in the process and tower are disclosed. The cooling tower,... |
| US-4,255,365 |
Pneumatic gauge adjustment of edge-pinned cast web A process for promoting uniform thickness in cast webs of thermoplastic material comprising use of variable air forces selectively directed toward a cast web... |
| US-4,255,364 |
Large mirror replication process A large scale mirror is replicated to an optical accuracy in the range of 1 arc minute. An optical master is created by annealing an acrylic liner sheet to a... |
| US-4,255,363 |
Column seal Seal in a column with one or a plurality of trays in which the trays have at their periphery circular recesses in the form of a circular slot. Profiled seals... |
| US-4,255,362 |
Accelerator pump control apparatus An acceleration pump used in conjunction with an automatic cold start air-fuel mixture supply device, comprising a suction-operated diaphragm, and pressure... |
| US-4,255,361 |
Automatic flushing and draining reservoir apparatus for evaporative
coolers A pump, siphon drain valve, and at least the float portion of a float controlled shutoff valve are located in a comparatively small water reservoir tank which is... |
| US-4,255,360 |
Water aerator and method A live bait water aerator comprises a submergible water pump, a conduit attached to the water outlet of the pump, leading vertically upward above the water... |
| US-4,255,359 |
Non-polluting oxyhydrochlorination process A non-polluting oxyhydrochlorination process is provided in which the residual gaseous effluents are purified by catalytic oxidation in the presence of a... |
| US-4,255,358 |
Process for the production of hexanitrostilbene A process for the production of 2, 2', 4, 4', 6, 6'-hexanitrostilbene, which gives a readily isolable product and in which solvent recovery is relatively... |
| US-4,255,357 |
Catalytic process for preparing ethyl amines A catalyst consisting essentially of reduced cobalt which is dispersed on a high surface area support is highly efficient in the reductive amination of ethyl... |
| US-4,255,356 |
Purification of tertiary amines using an adsorbent A method of purifying tertiary amines by removing sec. and prim. amines and/or their hydrochlorides produced in the manufacture of the tertiary amines. The... |
| US-4,255,355 |
2-Decarboxy-2-aminomethyl-6-keto-PGE.sub.1 compounds Prostaglandin E (PGE)-type derivatives and analogs having a 6-keto feature are disclosed, including processes for preparing them and the appropriate ... |
| US-4,255,354 |
2-Decarboxy-2-aminomethyl-19-hydroxy-19-methyl-6-oxo-PGF.sub.1 compounds The present invention provides novel 2-decarboxy-2-aminomethyl-19-hydroxy-19-methyl-6-oxo-PGF.sub.1 compounds which are useful for pharmacological purposes,... |
| US-4,255,353 |
Sulfinyl-bis carbamoyl fluorides Sulfinyl-bis carbamoyl fluorides, such as N,N'-sulfinylbis[N-methylcarbamoyl fluoride], useful as intermediates in the preparation of insecticides. |
| US-4,255,352 |
Preparation of unsaturated nitriles An olefinically unsaturated nitrile, an olefinic hydrocarbon containing an allylic hydrogen and a monoadduct reaction product of an olefinic hydrocarbon and an... |
| US-4,255,351 |
Sulfonic acid esters of 2,2,2-trichloroethylhydroxycyclobutanones Compounds of the formulae Ia, Ib, IIa and IIb ##STR1## are described, wherein R represents alkyl, haloalkyl, benzyl, naphthyl or substituted or... |
| US-4,255,350 |
Process for preparing methyl isocyanate The process for preparing methyl isocyanate includes feeding methyl halide through a reaction mixture at a rate of 0.5 to 3 moles of methyl halide per mole of... |
| US-4,255,349 |
Conversion of synthesis gas with iron-containing catalyst A method is disclosed for the conversion of synthesis gas to a liquid hydrocarbon product having a boiling range of less than 400.degree. F. at a 90% overhead... |
| US-4,255,348 |
Preparation of dimethylaminosilanes Process for preparing dimethylaminosilanes by reacting silicon with dimethylamine. |
| US-4,255,347 |
Platinum complex New platinum complex represented by the general formula [I]: ##STR1## wherein R.sub.1 and R.sub.2 are same and represent halogen atom or ... |
| US-4,255,346 |
Production of an edible oil from crude soy oil Production of edible soybean oil from raw soybean oil extracted from soybeans by first moistening soybean flakes to raise their water content to 12 to 25% by... |
| US-4,255,345 |
Steroid production The present invention discusses the production of useful steroids through starting with a steroid which has an acid side chain attached to the steroid ring... |
| US-4,255,344 |
9-.alpha.-Hydroxy steroids 9.alpha.-hydroxy-3-oxopregna-4,17(20)-diene-20-carboxylic acid and its methyl ester, and methods of microbiological production thereof, one comprising... |
| US-4,255,343 |
Preparation of 2-T-alkylanthracene Process for preparing 2-t-alkylanthracene, which process comprises contacting and reacting, with good mixing, at a temperature of at least 110.degree. C.,... |
| US-4,255,342 |
Synthesis of phenoxyanthraquinones A method of synthesizing phenoxyanthraquinones in the absence of excess phenol, water-miscible alcohols or polar aprotic solvents. Phenoxyanthraquinones are... |
| US-4,255,341 |
Catalyst and process for producing ethylene oxide A supported silver-containing catalyst suitable for the oxidation of ethylene to ethylene oxide is prepared directly from silver nitrate. The oxidation of... |
| US-4,255,340 |
Method for preparing an alkenyl-substituted dicarboxylic acid anhydride A method is provided for preparing an alkenyl-substituted anhydride of an unsaturated dicarboxylic acid which comprises reacting a mole of an olefin or a... |
| US-4,255,339 |
19-Hydroxy-19-methyl-6-alkoxy-PGI.sub.1 compounds The present invention provides novel 19-hydroxy-19-methyl-6-alkoxy-PGI.sub.1 compounds which are useful for pharmacological purposes, e.g., anti-asthmatic... |
| US-4,255,338 |
Process for the preparation of 2,5-dihydrofuran A process for the hydrogenation of butadienepolyperoxide in a suitable solvent, e.g., tetrahydrofuran, at temperatures of 75.degree.-110.degree. C. and pressure... |
| US-4,255,337 |
Novel odorants and flavorants The invention is concerned with odorant and/or flavoring substances, intermediates therefor, a process for the manufacture of said substances, odorant and/or... |
| US-4,255,336 |
Process for the preparation of O-substituted derivatives of
(+)-cyanidan-3-01 The subject of the present invention is new O-substituted derivatives of (+)-cyanidan-3-ol corresponding to the general formula I ##STR1## in which R... |
| US-4,255,335 |
Preparation of 5-aroyl-1-loweralkylpyrrole-2-acetic acid derivatives Known types of 5-aroyl-1-loweralkylpyrrole-2-acetic acid derivatives are prepared by the thermal reaction of an aroylcyanide with a 1-alkylpyrrole-2-acetic acid... |
| US-4,255,334 |
Process for preparing 3-azabicyclo(3.1.0)hexane-2-carboxylic acid 3-Azabicyclo(3.1.0)hexane-2-carboxylic acid, a plant gametocide, is prepared by effecting reaction between cis 2-aminomethylcyclopropyl-1,1-dimethyl acetal and a... |
| US-4,255,333 |
Preparation of indolenines A process for the preparation of an indolenine of the formula ##STR1## where R, X and Y are conventional substituents, by thermal rearrangement of a... |
| US-4,255,332 |
Process for the preparation of potassium clavulanate from lithium
clavulanate The present invention provides a process for the preparation of potassium clavulanate which process comprises contacting a concentrated solution of lithium... |
| US-4,255,331 |
3-Acetoxy-9.beta.-11.beta.-epoxy-dienes and the preparation of the
corresponding 6.alpha.-halogen-4-ene-3-ones The invention relates to 3-acetoxy-9.beta.,11.beta.,-epoxy-pregna-1,3,5-trienes and the corresponding 3,5-dienes having the general formula 1, in which on the ... |
| US-4,255,330 |
Process for preparing 6-substituted
amino-2-substituted-pen-2-em-3-carboxylic acid Disclosed are 6-substituted amino-2-substituted-pen-2-em-3-carboxylic acids of the following structure: ##STR1## wherein R.sup.1 is hydrogen or acyl,... |
| US-4,255,329 |
Double receptor fluorescent immunoassay A novel sensitive method for determining qualitatively and quantitatively the presence of a wide variety of physiologically active organic compounds (ligand) and... |
| US-4,255,328 |
Sulfide intermediates for the manufacture of enol derivatives 7.beta.-amino-3-cephem-3-ol-4-carboxylic acid compounds of the formula ##STR1## wherein R.sub.1.sup.a represents hydrogen or an amino protective group ... |
| US-4,255,327 |
Direct black dye This invention relates to a new group of trisazo compounds that are useful as direct dyes for cellulosic textiles, paper and leather; imparting a black... |
| US-4,255,326 |
Nitrogen and/or sulfur containing heterocyclic azo dyes with aniline,
tetrahydroquinoline and benzomorpholine... Disclosed are azo dyes prepared by diazotizing heterocyclic amines such as 2-aminobenzothiazole, 3-amino-2,1-benzisothiazole, 5-amino-1,2,4-thiadiazole,... |
| US-4,255,325 |
Reactive dyestuffs Reactive dyestuffs of the formula wherein D=the radical of an organic dyestuff, m=1-4 and T= ##STR1## wherein X and Y=a direct bond or a bridge member, W= ... |
| US-4,255,324 |
Synergistic flame retardant compositions for polyphenylene ether resins Polyphenylene ether resin compositions are flame retarded by using a combination of a phosphine oxide and a phosphonate in a weight ratio of about 1:3 to 3:1. |
| US-4,255,323 |
Extrusion coating compositions for woven and non-woven polyolefin
substrates and articles thereof Extrusion coating compositions for woven and non-woven polyolefin substrates are disclosed which employ an ethylene-propylene-diene terpolymer rubber, a high... |
| US-4,255,322 |
Blends of imide polymers and vinyl chloride polymers Disclosed herein are blends of imide containing polymers and vinyl chloride polymers and copolymers. |
| US-4,255,321 |
Stabilized polyphenylene ether A stabilized polymer composition comprising a blend of a poly-(2,6-dialkyl-1,4-phenylene) ether and a polystyrene stabilized with an inorganic sulfide alone or... |
| US-4,255,320 |
Mixtures of alkyltin sulfides and alkyltin 2-acyloxyethlymecaptides as
stabilizer compositons for polyvinyl... Stabilizer mixtures are provided for rigid polyvinyl chloride resin compositions, capable of enhancing the resistance of the polyvinyl chloride resin to the... |
| US-4,255,319 |
Polymeric compositions containing elemental red phosphorus, aldehydes or
ketones or mixtures thereof A polymeric composition comprising a thermoplastic or thermoset polymer, elemental red phosphorus and an aldehyde or .beta.-carbonyl-containing ketone, or... |
| US-4,255,318 |
Fire-retardant putty-like compositions A composition for filling the spaces in bores penetrating walls and floors of buildings and having electric wires and cables extending therethrough or for... |
| US-4,255,317 |
Non-discoloring glass strand size A non-discoloring glass strand size comprises a thermoplastic polyurethane emulsion produced by the chain extension of an NCO-terminated prepolymer, which... |
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