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| Patent # | Description |
|---|---|
| US-4,264,536 |
Adjusting device for starter-equipped carburetor A carburetor equipped with a starter, having a starting mixture supplying passage, and an automatic starting mixture adjusting device. The starting air supplying... |
| US-4,264,535 |
Fuel intake system for multi-cylinder internal combustion engine For a multi-cylinder internal combustion engine having at least two sets of engine cylinders, a fuel intake system comprises at least first and second intake... |
| US-4,264,534 |
Process for removing soluble metallic salts from a phosphate ester
functional fluid and reclamation of said fluid A process is provided for removing soluble metallic salts, such as calcium, copper, zinc, magnesium, tin, iron, or mixtures thereof, from a phosphate ester... |
| US-4,264,533 |
Preparation of S-chloromethylated O-alkyl substituted phosphodithioic
acids A novel and efficient method for preparing S-chloromethyl derivatives of O-alkylphosphorodithioic acids involves reacting the S-hydroxymethyl derivative of such... |
| US-4,264,532 |
Process for preparing D,L-2-amino-4-methylphosphinobutyric acid PCT No. PCT/JP78/00058 Sec. 371 Date June 15, 1979 Sec. 102(e) Date June 15, 1979 PCT Field Dec. 18, 1978 PCT Pub. No. WO79/00405 PCT Pub. Date July 12,... |
| US-4,264,531 |
Liquid, linear phosphazene prepolymers and process for preparing same Substituted, linear phosphazene prepolymers and processes for their preparation are disclosed. These prepolymers are liquid at ambient temperatures and can be... |
| US-4,264,530 |
Process for preparing high purity tetrafluoromethane A process for preparing high purity tetrafluoromethane which comprises the steps of (a) passing a gaseous mixture of chlorotrifluoromethane and hydrogen fluoride... |
| US-4,264,529 |
Method for preparing p-aminophenol This invention relates to the field of organic chemistry, and more particularly, to a method for the preparation of p-aminophenol. |
| US-4,264,528 |
Method of preparing ketoxime carbamates A novel process of preparing ketoxime carbamate by forming a halogenated intermediate which is reacted with an alkali metal compound and an isocyanate. |
| US-4,264,527 |
Process for the preparation of cyclopropylmethyl-n-propylamine A process for preparing cyclopropylmethyl-n-propylamine from the reaction of cyclopropylmethylamine with propionitrile is described. The reaction takes place in... |
| US-4,264,526 |
Borate reduction of nitrophenols A process for the direct production of aminophenol and N-acetyl-p-aminophenol from nitrophenols using a borate ion additive during hydrogenation to eliminate... |
| US-4,264,525 |
Stepwise reduction of p-nitrophenol A stepwise reduction and acetylation process for the production of pure N-acetyl-p-aminophenol (APAP) from p-nitrophenol in an aqueous system that avoids the... |
| US-4,264,524 |
19,20-Didehydro-PG.sub.1 amides The present invention provides novel 19,20-didehydro-PG.sub.1 amides methods for their preparation and pharmacological use for the induction of ... |
| US-4,264,523 |
19,20-Didehydro-13,14-dihydro-PG.sub.1 amides The present invention provides novel 19,20-didehydro-13,14-dihydro-PG.sub.1 amides, methods for their preparation and pharmacological use for the induction of... |
| US-4,264,522 |
19-Hydroxy-PG amides The present invention provides novel 19-hydroxy-PG amides methods for their preparation and pharmacological use for the induction of prostaglandin-like effect. |
| US-4,264,521 |
5-Halo-4-oxo-2-phenylpentanenitriles A series of 5-halo-4-oxo-2-phenylpentanenitriles are useful as intermediates for preparing 3-(imidazol-4-yl)-2-phenylpropanenitriles, which are useful as... |
| US-4,264,520 |
Substituted O-alkylsulfonylglycolic acid anilides New and valuable O-substituted glycolic acid anilides having a good herbicidal action, a process for their manufacture, herbicides containing these new compounds... |
| US-4,264,519 |
Process for the preparation of organic polyisocyanates containing biuret
groups The present invention relates to a process for the preparation of compounds selected from the group consisting of a polyisocyanate containing urea groups and a... |
| US-4,264,518 |
Unsaturated carboxylic acids and esters Synthesis and intermediates for making an insect pheromone useful in the control of the San Jose scale, Quadraspidiotus perniciosus. |
| US-4,264,517 |
Alkylphenyl 5Z,8Z,11Z,14Z,17Z-eicosapentaenoates Alkylphenyl 5Z,8Z,11Z,14Z,17Z-eicosapentaenoates having platelet aggregation inhibiting and antisecretory activity and methods of preparation thereof are disclosed. |
| US-4,264,516 |
Quaternary ammonium salts of antistatic agents or softening agents
containing fatty acid radicals, process for... The present invention relates to water-soluble quaternary ammonium salts of organic compounds having antistatic or softening properties. These ammonium salts... |
| US-4,264,515 |
Process for manufacturing a N-acyl .alpha.-amino acid A N-acyl .alpha.-amino acid is manufactured by reacting an unsaturated vegetable oil or a C.sub.8 -C.sub.30 mono-olefinic compound with an amide, carbon monoxide... |
| US-4,264,514 |
Method and reagents for measuring the level of conjugated bile acids A method and novel reagents useful for measuring the level of specific immunoreactive conjugated bile acids in a sample using labeled conjugated bile acid... |
| US-4,264,513 |
1.alpha.-hydroxy-25-keto-27-nor-cholecalciferol and processes for
preparing same The invention provides new vitamin D derivatives as well as new intermediate compounds derived during the processes for preparing such new derivatives. The new... |
| US-4,264,512 |
3-Deoxy-1.alpha.-hydroxy- and
3-deoxy-1.alpha.,25-dihydroxycholecalciferol and processes for the
... Processes for the preparation of 3-deoxy-1.alpha.-hydroxycholecalciferol and 3-deoxy-1.alpha.,25-dihydroxycholecalciferol, novel analogs of cholecalciferol... |
| US-4,264,511 |
Anthraquinone compounds New anthraquinone compounds of the formula ##STR1## in which Y denotes chlorine, bromine, --O--R or ##STR2## R denotes aryl, R.sub.1 and R.sub.2 denote... |
| US-4,264,510 |
Intermediates in the production of anthracycline antibiotics There is presented a synthetic process for the production of anthracyclinones, the aglycones of the anthracyclines. Also disclosed are novel intermediates in the... |
| US-4,264,509 |
Isoflavones and related compounds, methods of preparing and using and
antioxidant compositions containing same The present invention concerns isoflavones and related compounds useful as antioxidants and in antioxidant compositions including edible fats and oils. Many of... |
| US-4,264,508 |
Tricyclic lactone intermediates for preparing prostaglandins Process for preparing bicyclic lactone acrylic aldehydes and ketones of the formula ##STR1## wherein "n" is one or 2, wherein R.sub.1 is hydrogen, methyl,... |
| US-4,264,507 |
Novel xanthene dye developers Novel xanthene dye developer compounds which include three or four silver halide developing groups are disclosed. Also described are photographic products and... |
| US-4,264,506 |
Process for preparing aralkyl derivatives of xanthene compounds There is described a process for preparing aralkyl derivatives of xanthene dyes wherein and now abandoned the xanthene dye is initially reacted with a strong... |
| US-4,264,505 |
Substituted benzylidene imines Compounds of the formula ##STR1## wherein R is lower alkyl, phenyl, lower alkenyl, cycloalkyl and substituted phenyl; R.sub.1 is hydrogen, lower alkyl,... |
| US-4,264,504 |
Mitomycin derivatives New mitomycin derivatives having antibacterial activity are produced by semi-synthetic processes and also by a fermentative method. ##STR1## |
| US-4,264,503 |
Polymerization process using a sodium carboxylactamate catalyst The polymerization of 2-pyrrolidone is achieved in high yield in the presence of a sodium-derived catalyst activator produced by the reaction of carbon dioxide... |
| US-4,264,502 |
N-(arylthiocarbamoyl)-2-amino-1H-isoindole-1,3-(2H)diones and use as
plant growth regulators A novel class of compounds which are useful as plant growth regulators is disclosed, having the general structural formula: ##STR1## in which R.sup.1 is;... |
| US-4,264,501 |
Process for the recovery of pyrrolidone-2 A process is described for the recovery of 2-pyrrolidone monomer from polypyrrolidone waste material by heating the latter in the presence of a small amount of... |
| US-4,264,500 |
Process of making 6-chloro-.alpha.-methyl-carbazole-2-acetic acid The aromatization of (6-chloro-1,2,3,4-tetrahydro-2-carbazolyl)-methyl-malonic acid dialkyl ester, utilizing chlorine and subsequent conversion of the resulting ... |
| US-4,264,499 |
1-Substituted thiomethyltriazolobenzodiazepines and production thereof A compound of the formula: ##STR1## wherein R is hydrogen, 2-5C alkoxycarbonyl, 1-7C acyl, 1-4C alkylthio, 7-10C phenylalkylthio, phenylthio,... |
| US-4,264,498 |
Process for the preparation of 1,3-disubstituted-2-azetidinones from
triazines A process for preparing an azetidinone of the formula: ##STR1## which comprises reacting a C-unsubstituted methyleneamine of the formula: ##STR2## with... |
| US-4,264,497 |
1,5-Benzothiazepine compounds Cis or trans-1,5-benzothiazepine compounds represented by the formula (I): ##STR1## wherein R.sub.1 represents a hydrogen atom, a halogen atom, an alkyl group ... |
| US-4,264,496 |
Concentrated aqueous solutions of cationic colorant and procedure for
their preparation The present invention provides concentrated aqueous acid solutions of the colorant having the formula: ##STR1## in which A.sup..crclbar. represents the... |
| US-4,264,495 |
2-Thienyl azo dyestuff compounds Azo compounds having the formula ##STR1## in which R.sup.1 is cyano, aryl, an acyl radical or a carbamoyl radical, R.sup.2 is hydrogen, alkyl, alkoxy,... |
| US-4,264,494 |
Chromium complex dyestuffs for natural polyamides and synthetic nylons Metal complex compounds which in the form of the free acids correspond to the formula I ##STR1## where A is an aliphatic, carbocyclic or heterocyclic... |
| US-4,264,493 |
Natural protein polymer hydrogels Natural protein hydrogel structures formed from natural proteins having molecular weights not exceeding 100,000 by dissolving the protein in an aqueous acidic... |
| US-4,264,492 |
Enkephalin-like compounds in bovine adrenal medulla Enkephalin-like compounds can be extracted from bovine adrenal glands, showing opiate agonist activity and immunoreactive with enkephalin antibodies. |
| US-4,264,491 |
Analgesic compounds Compounds of the formula ##STR1## and pharmaceutically acceptable non-toxic acid addition salts thereof, in which L and D, when applicable, define the... |
| US-4,264,490 |
Composition of a polyethylene and isobutylene copolymer Cross-linkable polyethylene blended with a copolymer of isobutylene and a conjugated diene is capable of being cross-linked, bonded, stretched and recovered... |
| US-4,264,489 |
Provisional crown-and-bridge resin containing tetrahydrofuryl
methacrylate A provisional crown-and-bridge resin comprising a liquid resin component and a powder component. The liquid resin component contains tetrahydrofurfuryl... |
| US-4,264,488 |
Coloring of thermoplastics The use of a compound of the general formula I ##STR1## where D is a radical of one of the formulae II a-c ##STR2## and M.sup..sym. is Li.sup..sym.,... |
| US-4,264,487 |
Acrylate rubber modification of aromatic polyesters Compositions comprised of synergistic amounts of aromatic polycarbonate, acrylate-based core-shell polymer, and aromatic polyester are disclosed. |
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