Patents for C07B 61 - Other general methods (69,072) |
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02/19/1991 | US4994615 Process for the preparation of optically active secondary arylamines |
02/19/1991 | US4994614 Reacting tertiary amines with aqueous hydrogen peroxide in presence of synergistic combination of ascorbic acid and carbon dioxide; purity |
02/19/1991 | US4994608 By-product inhibition |
02/19/1991 | US4994603 Reacting methanol and carbon monoxide in presence of sodium methylate, binding sodium ions with nonionic polyethers |
02/19/1991 | US4994600 Process for preparing trans-β-benzoylacrylic acid ester |
02/19/1991 | US4994590 Excellent catalyst for asymmetric hydrogenation |
02/19/1991 | US4994583 Process for the preparation of epsilon-caprolactone |
02/19/1991 | US4994498 Mixture also containing molybdenum sulfide and alkali metal compounds |
02/19/1991 | US4994249 Containing strontium; hydrocracking, reforming, saparation |
02/19/1991 | CA1280539C Process and catalyst for production of a bisphenol |
02/19/1991 | CA1280447C Tertiary olefin process |
02/19/1991 | CA1280445C Process for the preparation of perfluoroalkylalkenols |
02/19/1991 | CA1280438C Process for the co-production of aromatic carboxylates and alkyl iodides |
02/19/1991 | CA1280437C Process for the co-production of aromatic carboxylates and alkyl iodides |
02/19/1991 | CA1280426C 4-benzyloxy-3-pyrrolin-2-on-1-yl acetamide, its production and use |
02/19/1991 | CA1280422C Process for the preparation of an n-aromatic-n-acyl urea |
02/19/1991 | CA1280400C Process for purifying and recovering catalyst solution contaminated during the carbonylation of methyl acetate and/or dimethylether |
02/18/1991 | EP0420857A4 Reciprocating dental tool. |
02/18/1991 | CA2021725A1 Method of making 1,1'-oxybis (3-nitro-5-trifluoromethyl)-benzene |
02/15/1991 | WO1991002707A1 Process for preparing linear alpha-olefins from ethylene |
02/15/1991 | CA2064832A1 Process for preparing linear alpha-olefins from ethylene |
02/13/1991 | EP0412872A1 Catalytic composition and use thereof for oligomerising monoolefines |
02/13/1991 | EP0412785A1 A method of pretreating a particulate catalyst |
02/13/1991 | EP0412615A2 Vicinal di(hetero)alkylene organometalates and processes for the production of amines therewith |
02/13/1991 | EP0412614A2 Amines catalysis |
02/13/1991 | EP0412613A2 Amines catalysis using metallic phosphate condensation catalysts having a cyclic structure |
02/13/1991 | EP0412612A2 Process of making polyalkylene polyamines |
02/13/1991 | EP0412611A2 Promoted amines catalysis |
02/13/1991 | EP0412596A1 Process for oxidising paraffinic compounds |
02/13/1991 | EP0412551A2 Process for producing alpha, beta-unsaturated aldehyde |
02/13/1991 | EP0412378A1 Process for producing alpha-keto-carboxylic acid ester |
02/13/1991 | EP0412366A1 Process for the preparation of 2,5-dihydrofurans |
02/13/1991 | EP0412361A2 Process for the preparation of 4-methylenetetrahydropyran |
02/13/1991 | EP0412359A1 Method for the preparation of epoxysulphonates |
02/13/1991 | CN1049151A Synthesis of alpha-hydroxy ketones |
02/13/1991 | CA2023057A1 Process for reducing the content of primary and secondary amine in a tertiary amine |
02/12/1991 | US4992610 Nickel chloride containing ziepler catalyst |
02/12/1991 | US4992607 Using zeolite catalyst |
02/12/1991 | US4992602 Catalytic decomposition of tert-butyl hydroperoxide in presence of metal phthalocyanine catalyst |
02/12/1991 | US4992594 Process for the preparation of polyglycerols |
02/12/1991 | US4992586 Dehalogenation of a halonitrobenzene compound |
02/12/1991 | US4992585 Reacting N-methylacetoacetamide with chlorie to produce A-chloro-N-methyl acetoacetamide |
02/12/1991 | US4992582 Koch synthesis from propylene, carbon monoxide and water in presence of hydrogen fluoride under pressure |
02/12/1991 | US4992579 Catalytic oxidation using cerium, cobalt, manganese, zirconium, bromine containing catalyst |
02/12/1991 | US4992578 Preparation of alkyl alkanethiolsulfonates |
02/12/1991 | US4992572 Process for the preparation of organometallic compounds |
02/12/1991 | US4992571 Method for making octyloxy substituted diphenyl iodonium hexafluoro metalloid salts |
02/12/1991 | US4992566 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol |
02/12/1991 | US4992416 Isomeric formyl trimethylbicyclo[2.2.2]oct-7-enes |
02/12/1991 | US4992406 Alumina or zirconia binder |
02/12/1991 | CA1280128C Preparation process of trifluoromethyl iodide |
02/12/1991 | CA1280125C Zeolite rho and zk-5 catalysts for conversion of methanol and ammonia to dimethylamine |
02/12/1991 | CA1280124C Process for the preparation of 4-fluoroanilines from 4-halogenonitrobenzenes |
02/12/1991 | CA1280122C Perfluoroalkylcetone preparation process |
02/11/1991 | WO1991001806A1 Oxidation catalysts based on metalloporphyrine on a substrate |
02/11/1991 | CA2039172A1 Supported oxidation metalloporphyrin catalyst for oxidation reactions |
02/09/1991 | CA2022862A1 Catalytic composition and its use for the oligomerization of monoolefins |
02/09/1991 | CA2022780A1 Promoted amines catalysis |
02/09/1991 | CA2022777A1 Amines catalysis |
02/09/1991 | CA2022776A1 Amines catalysis using metallic phosphate condensation catalysts having a cyclic structure |
02/07/1991 | WO1991001298A1 Process for the preparation of aromatic nitriles |
02/07/1991 | WO1991001295A1 Process for preparing quaternary ammonium compounds |
02/07/1991 | WO1991001289A1 Substituted cyclohexanedione derivative |
02/06/1991 | EP0412074A2 Process for producing N-Phosphonomethylglycine |
02/06/1991 | EP0411817A2 Process for preparing N-alkyl-substituted aminophenols |
02/06/1991 | EP0411721A2 Preparation of alkyl propionates |
02/06/1991 | EP0411645A2 Method for preparing organohalosilanes |
02/06/1991 | EP0411615A1 4-(N-substituted amino)-2-butynyl-1-ureas and thioureas and derivatives thereof as centrally acting muscarinic agents |
02/06/1991 | EP0411456A1 Method for the preparation of 2-Imidazolines |
02/06/1991 | EP0411417A1 Process for preparing aminomethylene compounds |
02/06/1991 | EP0411410A2 Process for the preparation of octadienols |
02/06/1991 | EP0411252A1 Process for the preparation of fluorobenzoic acids |
02/06/1991 | EP0411084A1 Synthesis of hydrocarbyl amines. |
02/06/1991 | EP0411019A1 Etherification of extracted crude methanol and conversion of raffinate |
02/06/1991 | CN1049014A Organosilane compound |
02/06/1991 | CN1049011A Ester production by hydrogenation of carboxylic acids and anhydrides |
02/06/1991 | CN1011505B Titanium-aluminum-silicon-oxide molecular sieve compositions |
02/06/1991 | CN1011489B Process for preparation of new magnesium alkali-zeolite |
02/05/1991 | US4990718 Reacting benzene with the by product from alpha olefin dimerization; lubricants |
02/05/1991 | US4990715 Producing aromatic hydrocarbons with catalysts containing gallium and silver |
02/05/1991 | US4990712 Integrated cracking, etherification and olefin upgrading process |
02/05/1991 | US4990707 Process for the ring chlorination of aromatic hydrocarbons |
02/05/1991 | US4990705 Reacting biphenyl with bromine in solvent comprising organic sulfur compound, amide, or nitrile |
02/05/1991 | US4990704 Haloethylation of aromatic hydrocarbons |
02/05/1991 | US4990694 Optically active dimethyl heptanediols |
02/05/1991 | US4990690 Process for preparing aromatic polyhydric alcohol |
02/05/1991 | US4990689 2,4-bis(2-hydroxyhexafluoro-2-propyl)fluorobenzene and method of preparing same |
02/05/1991 | US4990687 Alkylation of p-cresol with cyclohexanol or cyclohexene in presence of a pore, acidic zeolite |
02/05/1991 | US4990681 Method for removing hydrogen fluoride from mixtures comprising aromatic ketones |
02/05/1991 | US4990675 Oxidizing mercaptans with halogenated hydrocarbons in presence of hydroxides and phase transfer catalyst |
02/05/1991 | US4990670 Method of making 1,1'-oxybis (3-nitro-5-trifluoromethyl)-benzene |
02/05/1991 | US4990663 Mixing 3,4-dichloroaniline with an amine compound to improve storage stability and minimize dechlorination |
02/05/1991 | US4990660 Preparation of aromatic hydroxycarboxylic acids |
02/05/1991 | US4990659 Process for the manufacture of derivatives of benzoic acid |
02/05/1991 | US4990658 Carbonylating 1-halo-/4-isobutylphenyl/ethane with carbon monoxide in water or alcohol using palladium complex catalyst |
02/05/1991 | US4990655 Vapor phase hydrogenation using noble metal-rhenium catalyst |
02/05/1991 | US4990651 Process for producing carboxylic acid esters |
02/05/1991 | US4990647 Catalytic coupling of two different halogenaromatics |
02/05/1991 | US4990645 Hydrocyanation process |
02/05/1991 | US4990534 Aralkyl esters and processes for their preparation |