| Patents for C07B 61 - Other general methods (69,072) |
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| 02/05/1991 | EP0422019A4 Olefinic oligomers having lubricating properties and process of making such oligomers. |
| 02/05/1991 | CA1279871C Use of pressure to control the non-cyclics/cyclics ratio of polyalkylene polyamines |
| 02/03/1991 | WO1991001805A1 Liquid compositions and supported perfluorinated ion-exchange polymers |
| 02/03/1991 | CA2064187A1 Liquid compositions and supported perfluorinated ion-exchange polymers |
| 02/03/1991 | CA2022510A1 4-(n-substituted amino)-2-butynyl-1-ureas and thioureas and derivatives thereof as centrally acting muscarinic agents |
| 02/01/1991 | CA2022248A1 Process for producing n-phosphonomethylglycine |
| 01/30/1991 | EP0410901A1 Method of catalytic oxidation of alkanes to give mixtures of alcohols and ketones |
| 01/30/1991 | EP0410900A1 Method for the preparation of methylene di(phenylurethane) |
| 01/30/1991 | EP0410689A1 Process for producing alkyl tertiary-alkyl ether and C5+ gasoline boiling range hydrocarbons |
| 01/30/1991 | EP0410613A1 Synthesis of alpha-hydroxy ketones |
| 01/30/1991 | EP0410600A2 Propylene oxide production |
| 01/30/1991 | EP0410443A1 Organosilane compounds |
| 01/30/1991 | EP0410279A1 Hydroformylation process |
| 01/30/1991 | EP0410182A2 A new technique for rapid peptide coupling |
| 01/30/1991 | EP0410177A1 Alkylation of organic aromatic compounds in a dual bed system |
| 01/30/1991 | EP0409855A1 Extraction of crude methanol and conversion of raffinate |
| 01/30/1991 | EP0409834A1 Process for the co-production of aromatic carboxylate and alkyl iodides |
| 01/30/1991 | CN1048865A 2,4-dimethyl-6-3-alkylphenols |
| 01/30/1991 | CN1048847A Process for preparing aromatic nitriles |
| 01/30/1991 | CN1048843A Process of oxidizing aliphatic hydrocarbons employing alkali-promoted molybdate catalyst |
| 01/30/1991 | CA2022103A1 Process for the preparation of ketals |
| 01/29/1991 | US4988830 Oxidation of hydrocarbons having at least 4 carbon atoms to form a hydroperoxide, reacting with propylene to form propylene oxide and alcohol, further epoxidation of propene |
| 01/29/1991 | US4988688 Cognitive activators |
| 01/29/1991 | US4988652 Process for recovering catalyst for use in preparing α-(4-isobutylphenyl)propionic acid |
| 01/29/1991 | US4988625 Carbonyldiimidazole treatment of the support crosslinking to form a carbamate with polysaccharides |
| 01/29/1991 | CA2022188A1 Process for producing alkyl tertiary-alkyl ethers and c5+gasoline boiling range hydrocarbon |
| 01/29/1991 | CA2022154A1 Aqueous reduction process for halo-nitro-phenols |
| 01/29/1991 | CA1279657C Process for making 1,3-glycols from epoxides |
| 01/29/1991 | CA1279649C2 Enantioselective process for producing 1-beta-methylcarbapenem antibiotic intermediates |
| 01/29/1991 | CA1279633C Silica-titania hydrocarbon conversion catalyst |
| 01/28/1991 | WO1991001964A1 Ester production by hydrogenation of carboxylic acids and anhydrides |
| 01/28/1991 | CA2036380A1 Ester production by hydrogenation of carboxylic acids and anhydrides |
| 01/27/1991 | CA2021137A1 Synthesis of alpha-hydroxy ketones |
| 01/27/1991 | CA2020915A1 Hydroformylation |
| 01/26/1991 | CA2017620A1 Alkylation of organic aromatic compounds in a dual bed system |
| 01/24/1991 | DE3923979A1 Verfahren zur herstellung von aromatischen nitrilen A process for preparing aromatic nitriles |
| 01/23/1991 | EP0409716A2 Process for the hydrogenation of halogenated nitroaromatic derivatives in the presence of iodides |
| 01/23/1991 | EP0409709A1 Pocess for the hydrogenation of halogenated nitroaromatic derivatives in the presence of a sulfur derivative |
| 01/23/1991 | EP0409679A1 Process for the activation of halogenated catalysts, catalysts obtained by this process and application of these catalysts in hydrocarbon conversion processes |
| 01/23/1991 | EP0409651A1 New Process for the preparation of anti-hypertensive benzopyran derivative |
| 01/23/1991 | EP0409530A1 Catalytic preparation of optically active ketones |
| 01/23/1991 | EP0409437A2 Process for preparing aromatic polycarboxylic acids |
| 01/23/1991 | EP0409355A1 Process of oxidizing aliphatic hydrocarbons in the presence of a solid heterogeneous catalyst and catalyst |
| 01/23/1991 | EP0409172A2 Process for dimerizing aromatic halogen compounds |
| 01/23/1991 | EP0409141A2 Method for preparing alkenylsilanes |
| 01/23/1991 | EP0409086A1 One-step liquid phase process for dimethyl ether synthesis |
| 01/23/1991 | EP0408928A1 Method for the production of alpha-methylbenzyl-substituted phenols |
| 01/23/1991 | EP0408857A2 Process for the preparation of nonionic surfactants low in alkylene oxides and 1,4-dioxane by means of alkali metal alcoholate catalyst |
| 01/23/1991 | EP0408856A2 Process for the preparation of nonionic surfactants low in alkylene oxides and 1,4-dioxane by means of alkali metal alcoholate catalyst |
| 01/23/1991 | EP0408664A1 Synthesis of a crystalline molecular sieve |
| 01/23/1991 | EP0408644A1 Process for preparation of an oxyacetic acid/hydroxyethyl ether compound. |
| 01/23/1991 | EP0408612A1 Liquid-phase process for the oxyiodination of naphthalene |
| 01/23/1991 | CN1048700A Process for preparing 1,2-dichloro-1,1,2-trifluoroethane |
| 01/23/1991 | CN1048699A Process for preparing 1,1,1,2-tetrafluoroethane |
| 01/22/1991 | US4987312 Process for repositioning atoms on a surface using a scanning tunneling microscope |
| 01/22/1991 | US4987270 From benzylalcohol or derivative and n-propanol; alkali metal hydroxide catalyst |
| 01/22/1991 | US4987266 N-alkylpyrrolidone as cosolvent |
| 01/22/1991 | US4987265 Process for the preparation of benzaldehyde in the gas phase |
| 01/22/1991 | US4987263 Preparation of 2-methylpentadiamine |
| 01/22/1991 | US4987260 Amination of phenols with alumina catalyst having ink bottle shaped pores |
| 01/22/1991 | US4987259 Multistep, from the corresponding diacid |
| 01/22/1991 | US4987256 Hydration of cyanhydrin using modified manganese dioxide catalyst |
| 01/22/1991 | US4987254 Fluorinated carboxylic acid fluorides |
| 01/22/1991 | US4987251 Cyclization and rearrangement of chlorketone with aqueous base |
| 01/22/1991 | CA1279330C Process for the preparation of an alkanol alkoxylate product |
| 01/22/1991 | CA1279326C Process for producing 2-hydroxy-4-methyltetrahydropyran |
| 01/22/1991 | CA1279325C Process for the production of uretdione group-containing compounds, the compounds obtained according to this process and the use thereof in the production of polyurethane plasticsmaterial |
| 01/21/1991 | WO1991001292A1 Method for the preparation of nitroanilines |
| 01/21/1991 | CA2063817A1 Method for the preparation of nitroanilines |
| 01/19/1991 | CA2020929A1 One-step liquid phase process for dimethyl ether synthesis |
| 01/17/1991 | DE4021230A1 Alcohol prepn. - by hydrogenating carboxylic acid ester cpds. in presence of copper and zirconium contg. catalyst |
| 01/16/1991 | EP0408506A2 New triazole compounds |
| 01/16/1991 | EP0408418A1 Method of hydroxylating phenols and phenol ethers |
| 01/16/1991 | EP0408340A2 Ruthenium-optically active phoshine complex useful as catalyst |
| 01/16/1991 | EP0408338A2 Catalytic production of carboxylic acids and esters thereof |
| 01/16/1991 | EP0408318A1 Liquid phase isomerization of alkanes |
| 01/16/1991 | EP0408153A2 Preparation and use of metal-containing zeolitic catalysts |
| 01/16/1991 | EP0408005A1 Process for preparing 1,1,1,2-tetrafluoroethane |
| 01/16/1991 | EP0408004A1 Process for preparing 1,2-dichloro-1,1,2-trifluoroethane |
| 01/16/1991 | EP0407961A1 Method for the production of 1,1,1-trifluoro-2-chloroethane |
| 01/16/1991 | EP0407841A2 Method for the production of ethers from C4-C7-tert-alkenes and 2- to 6-valent alcohols |
| 01/16/1991 | EP0407840A1 Process for the preparation of pure C4-C7-tert.-alcenes |
| 01/16/1991 | EP0407801A1 Process for the preparation of phosphoraryl esters with alphamethylbenzylphenoxy groups |
| 01/16/1991 | EP0407711A1 Catalytic process for the dehydrohalogenation of 1-chloro-1,1-difluoroethane |
| 01/16/1991 | EP0407687A1 Process for hydroformylation |
| 01/16/1991 | EP0407588A1 Process for producing 2-oxo-3-aromatic carboxylic acid derivatives |
| 01/16/1991 | EP0407426A1 A synthetic crystalline aluminophosphate composition and a method of its synthesis |
| 01/16/1991 | EP0232385B1 Novel motor fuel alkylation catalyst and process for the use thereof |
| 01/16/1991 | EP0214147B1 Crystalline magnesia-silica composites and process for producing same |
| 01/16/1991 | CN1048539A Process and catalyst for production of ethylene and acetic acid |
| 01/16/1991 | CN1011232B Improved aldehyde hydrogenation catalyst and process |
| 01/15/1991 | US4985586 Process for the preparation of mercaptoalcohols |
| 01/15/1991 | US4985581 Catalyst and process for producing aromatic nitriles |
| 01/15/1991 | US4985580 Alkylation of silanes |
| 01/15/1991 | US4985572 Catalyzed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters |
| 01/15/1991 | US4985567 Ligand for a Metal Complex Catalyst |
| 01/15/1991 | US4985553 Process for the oxidation of di-, tri-, Oligo- and polysaccharides into polyhydroxycarboxylic acids, catalyst used and products thus obtained |
| 01/15/1991 | US4985549 Process for preparing amikacin |
| 01/15/1991 | US4985385 Method of preparing a catalyst precursor comprised of calcined nickel-aluminum feitknecht compound/non-calcined alumino-silicate clay/alkaline earth and/or rear earth metal compound |
| 01/15/1991 | US4985383 Process for removing metallic corrosion products from a contaminated catalyst solution produced on carbonylation of methanol and/or methyl acetate and/or dimethyl ether |