Patents for C07B 61 - Other general methods (69,072) |
---|
04/10/1991 | EP0421700A1 Enhanced production of ethylene from higher hydrocarbons |
04/10/1991 | EP0421679A1 Process for the preparation of glycol ethers |
04/10/1991 | EP0421677A1 Process for the preparation of glycol ethers |
04/10/1991 | EP0421436A2 Substituted carboxytetrahydroisoquinolines and derivatives thereof having pharmaceutical activity |
04/10/1991 | EP0421385A1 Process for producing p-hydroxyneophyl m-phenoxybenzyl ether |
04/10/1991 | EP0421364A2 Pleuromutilins |
04/10/1991 | EP0421340A1 Method for producing 1,1-diarylethanes |
04/10/1991 | EP0421329A2 Process for preparation of diacetal compounds |
04/10/1991 | EP0421302A2 Process for producing enyne derivatives |
04/10/1991 | EP0421271A2 3-Substituted-2-hydroxy-3-formyle propionic acid esters, process for their preparation and their use in the preparation of 3-substituted-3-formyle acrylic acid esters |
04/10/1991 | EP0421218A2 Process for the preparation of trifluoromethyl groups containing carboxylic acid halide |
04/10/1991 | EP0421196A1 One-step process for the preparation of alcohols |
04/10/1991 | EP0421122A1 Method for the production of p-chlorotoluene |
04/10/1991 | EP0420932A1 Catalyzed hydrofluorination of alkenes. |
04/10/1991 | EP0420916A1 Catalyzed hydrofluorination process. |
04/10/1991 | EP0420857A1 Reciprocating dental tool. |
04/10/1991 | CA2027188A1 Process for preparing secondary or tertiary dialkyl dicarbonates |
04/10/1991 | CA2027014A1 Process for preparing 3-alkoxy-3-hydroxybenzaldehyde |
04/09/1991 | US5006660 Reacting a halogenbenzene with alcohol or phenol in presence od copper(or compound thereof), amine, and base |
04/09/1991 | US5006648 Process for preparing partial polyol fatty acid esters |
04/09/1991 | US5006595 Solubilization of complexes of water-insoluble organic compounds by aqueous solutions of polyvinylpyrrolidone |
04/09/1991 | US5006585 Stain-resistant plasticizer compositions and method of making same |
04/09/1991 | CA1282800C Acid catalyzed process |
04/09/1991 | CA1282798C Processes for preparing iodinated aromatic compounds |
04/09/1991 | CA1282797C Process for preparing bisphenol a |
04/09/1991 | CA1282794C Process for preparing hydroxylamines and products thus obtained |
04/09/1991 | CA1282793C Preparation process of cinnamate ester |
04/09/1991 | CA1282791C Method for preparation of mercaptobenzoates |
04/09/1991 | CA1282790C Recovery of a (trifluoromethyl)-naphthalene |
04/09/1991 | CA1282789C Process for the co-production of aromatic carboxylates and alkyl iodides |
04/09/1991 | CA1282788C Industrial process for the preparation of aminoacids by protein hydrolysis in an acid medium |
04/06/1991 | CA2026178A1 Epoxidation process |
04/05/1991 | CA2026830A1 Process for the hydrogenation of halogenated nitroaromatic derivatives with noble metal catalysts |
04/05/1991 | CA2026825A1 Fluorocarbon purification process |
04/05/1991 | CA2026116A1 Process for the preparation of glycol ethers |
04/04/1991 | WO1991004241A1 Strontium and/or barium-containing catalysts for oxidative coupling processes |
04/04/1991 | WO1991004240A1 Perovskite catalysts for oxidative coupling |
04/04/1991 | WO1991004238A1 Vapor phase modifiers for oxidative coupling |
04/04/1991 | WO1991004237A1 Low temperature catalysts for oxidative coupling processes |
04/04/1991 | WO1991004236A1 High ethylene to ethane processes for oxidative coupling |
04/04/1991 | CA2026680A1 Substituted carboxytetrahydroisoquinolines and derivatives thereof having pharmaceutical activity |
04/03/1991 | EP0420815A1 Process for the preparation of 2-(2-haloethylthio)-phenylsulfonamides |
04/03/1991 | EP0420770A1 Process for the preparation of dihydroxy esters |
04/03/1991 | EP0420709A1 Purification of 1,1-dichloro-1-fluoroethane |
04/03/1991 | EP0420658A2 A catalyst for asymmetric induction |
04/03/1991 | EP0420455A2 Method for ammoxidation of paraffins |
04/03/1991 | EP0420356A2 Control of isomer distribution in a chlorination process |
04/03/1991 | EP0420100A1 Process for preparing aromatic hydrocarbons |
04/03/1991 | EP0420048A1 Process for the obtention of methacrolein and methacrylic acid |
04/03/1991 | EP0420035A1 Two-step process for the preparation of alcohols |
04/03/1991 | EP0420025A2 Process for the preparation of phenolic antioxidants |
04/03/1991 | EP0419631A1 A process for synthesising 9,9-bis(4-hydroxyphenyl) fluorene. |
04/03/1991 | EP0419628A1 Process for the production of tertiary alkyl ethers and tertiary alkyl alcohols |
04/03/1991 | CN1050385A Process and intermediates for preparing compounds having disubstituted acetylene moiety and retinoic acid-like biological activity |
04/03/1991 | CN1050373A Process for preparing optically active 2-aryl-alkanoic acid, in particular 2-aryl propionic |
04/03/1991 | CN1050340A Catalyst for catalytic gas-phase oxidation of olefins to unsaturated aldehydes |
04/03/1991 | CA2026653A1 Process for the carbonylation of acrylic acid |
04/02/1991 | US5004854 Heating and pressurization in presence of hydrogen of a mixture of aromatic feed containing propyl- and methylethyl-benzenes |
04/02/1991 | US5004846 Process for producing nitrobenzenes |
04/02/1991 | US5004844 Heating and pressurization of aldehydes and ketones in the presence of a catalyst to form an alcohol |
04/02/1991 | US5004842 Aromatic vinyl ether compounds and compositions, and method of making the same |
04/02/1991 | US5004839 In the presence of a secondary amin catalyst, a halogen acid and an insoluble metal oxide |
04/02/1991 | US5004837 Oxidation of cycloalkane |
04/02/1991 | US5004830 Process for oxidation of alkyl aromatic compounds |
04/02/1991 | US5004827 Catalytic vapor phase process for producing dihydrocarbyl carbonates |
04/02/1991 | US5004823 Low pressure rhodium catalyzed hydroformylation of olefins |
04/02/1991 | US5004797 Partly fluorinated carboxylic acids and derivatives thereof, processes for their preparation and their use |
04/02/1991 | US5004661 Photoconductive member having symmetrical and unsymmetrical squaraine compositions |
04/02/1991 | US5004569 Process for the production of carboxylic acid esters |
04/02/1991 | US5004568 Reacting With Carbon Monoxide Using A Group 8 Noble Metal Halide Catalyst And A Group 1B Metal Halide |
04/02/1991 | CA1282436C Multistage process for converting oxygenates to liquid hydrocarbonsand ethene |
04/02/1991 | CA1282434C Process for the preparation of the parylene dimer |
04/02/1991 | CA1282431C Production of crystalline tribromostyrene |
04/02/1991 | CA1282426C PROCESS FOR PREPARING TRANS-.beta.-BENZOYLACRYLIC ACID ESTER |
04/02/1991 | CA1282422C Process for preparing vinyl-tri-(tertiary- substituted)alkoxysilanes |
04/02/1991 | CA1282420C Process for producing 2-methyl-1,4-naphthoquinone |
04/02/1991 | CA1282405C Method for making uniformly sized particles from water-insoluble organic compounds |
04/02/1991 | CA1282397C Zeolite l |
03/30/1991 | CA2026355A1 Process for the preparation of 2-(2-halogenoethylthio)-phenylsulfonamides |
03/30/1991 | CA2025357A1 Catalyst for asymmetric induction |
03/29/1991 | WO1991004979A1 A method of preparing monothiophosphoric acid by sulfurizing a phosphite in the presence of an amide |
03/28/1991 | WO1991004970A1 Cyclic peroxyacetal lactone, lactol and ether compounds |
03/28/1991 | WO1991004960A1 Process for the preparation of dihidroxy esters |
03/28/1991 | DE3930993A1 Prepn. of p-halo:benzyl halide(s) - from reaction of benzyl halide with zeolite catalyst, for use as synthetic intermediates |
03/28/1991 | CA2067101A1 Cyclic peroxyacetal lactone and ether compounds |
03/27/1991 | EP0419412A2 Process for the preparation of benzotriazoles |
03/27/1991 | EP0419409A2 Iridium complexes, process for their preparation and their use |
03/27/1991 | EP0419312A1 Method for the production of optically active 2-aryl-propionic acids |
03/27/1991 | EP0419265A1 A process for converting and upgrading organic resource materials in aqueous environments |
03/27/1991 | EP0419132A2 Process and intermediates for preparing compounds having a disubstituted acetylene moiety and retinoic acid-like biological activity |
03/27/1991 | EP0419077A2 Synthesis of low molecular weight ethylene propylene glycol ethers via olefin addition to the corresponding glycol |
03/27/1991 | EP0419045A1 Method for alkylation of phenols, and catalyst therefor |
03/27/1991 | EP0418975A1 Low temperature catalysts for oxidative coupling processes |
03/27/1991 | EP0418974A1 Silver-containing catalysts for oxidative coupling |
03/27/1991 | EP0418973A1 Perovskite catalysts for oxidative coupling |
03/27/1991 | EP0418972A1 Strontium and/or barium-containing catalysts for oxidative coupling processes |
03/27/1991 | EP0418971A1 High ethylene to ethane processes for oxidative coupling |
03/27/1991 | EP0418970A1 Vapor phase modifiers for oxidative coupling |
03/27/1991 | EP0418939A1 Preparation of 9,9-bis(aminophenyl)fluorenes or 9-phenylimidofluorenes |
03/27/1991 | EP0418764A2 A process for producing a carbonyl compound |