Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
03/1989
03/22/1989EP0308034A2 Multitube reactor
03/22/1989EP0308030A1 Process for hydrogenation of esters into alcohols
03/22/1989EP0307934A1 Process for the preparation of tricyclo 8.2.2.2. hexadeca 4,6,10,12,13,15 hexaene chlorinated in the benzenic rings
03/22/1989EP0307897A1 Trifluorobenzene compounds and process for producing the same
03/22/1989EP0307864A1 Process for the recovery of hydrogen/heavy hydrocarbons from hydrogen-lean feed gases
03/22/1989EP0307837A2 Renin-inhibiting peptidyl heterocycles
03/22/1989EP0307817A1 Double reacting dyes and benzyl sulfonyl intermediates
03/22/1989EP0307786A2 Deuterated cholecalciferol derivatives, their preparation and their pharmaceutical use
03/22/1989EP0307777A2 2-Methyl-4-fluoro-phenols and process for their preparation
03/22/1989EP0307762A1 Acrylic-acid amides and their use as fungicides
03/22/1989EP0307757A2 Process for the production of polyurethanes with LC-properties and diisocyanates suitable for carrying out this process
03/22/1989EP0307756A2 Process for the preparation of isocyanates and their use in the preparation of polyisocyanates containing ester groups, and some polyisocyanates containing these ester groups
03/22/1989EP0307753A2 Sulfonyl isothiourea and process and intermediates for their preparation
03/22/1989EP0307681A1 Process for the preparation of purified bis(2-hydroxyethyl) ester of 2,6-naphthalenedicarboxylic acid
03/22/1989EP0307673A1 Process for the recovery of pure tetra-fluor ethylene
03/22/1989EP0307636A1 Method for effecting dehydration of glycols using a membrane
03/22/1989EP0307519A1 Perfluoroalkylation process
03/22/1989EP0307458A1 Processes for isomerizing and oxidative iodinating aromatic compounds.
03/22/1989EP0307457A1 Improved vapor phase bromination of aromatic compounds.
03/22/1989EP0307447A1 Process for preparing iodinated substituted aromatic compounds
03/22/1989EP0307446A1 Liquid phase isomerization of iodoaromatic compounds.
03/22/1989EP0307404A1 Process for preparing alkyl-tert-butyl ethers.
03/22/1989EP0189467B1 Nitration process for 2,3-dichloro-1,4-xylene
03/22/1989EP0171434B1 Crosslinking agents and process for their preparation
03/22/1989CN1031837A Process for preparing sertraline intermediates
03/22/1989CN1031834A Hydrocarbon catalytic converting process for manufacturing of lower olefine
03/22/1989CN1031833A Process for preparing linear alpha-olefins using zirconium adducts as catalysts
03/21/1989US4814544 Isomerization of butane
03/21/1989US4814542 Olefin bond isomerization process
03/21/1989US4814531 Silica-titania hydrocarbon conversion catalyst
03/21/1989US4814525 Vapor phase bromination of aromatic compounds
03/21/1989US4814523 Nematic liquid crystal compound of four ring systems
03/21/1989US4814522 Catalytic fluoroolefin transhalogenations
03/21/1989US4814520 Process for producing 2,2-bis(4'hydroxyphenyl) propanes
03/21/1989US4814519 Production of ethers from olefins
03/21/1989US4814518 Process for extracting nitrohydroxyaromatics from aqueous solutions
03/21/1989US4814515 Method of manufacturing a modified polyhydroxy compound
03/21/1989US4814513 Preparation of carbonyl compounds
03/21/1989US4814511 Working up cyclohexyl hydroperoxide containing reaction mixtures
03/21/1989US4814510 Novel benzaldehyde derivatives, their preparation, and their use
03/21/1989US4814509 Sulfuric or phosphoric acid
03/21/1989US4814508 Polyether ketone copolymers, lewis acids, lewis bases
03/21/1989US4814507 Arylsulfone compounds as anti-ulcer agents
03/21/1989US4814505 Purification of n-vinylformamide
03/21/1989US4814504 Deammoniation of aniline
03/21/1989US4814503 Ammonia treatment of zeolite
03/21/1989US4814498 Separation/purification of para-hydroxybenzoic acid
03/21/1989US4814497 Dehalogenation process
03/21/1989US4814494 Oxidation, hydrogenation
03/21/1989US4814493 Esterification
03/21/1989US4814492 Method of preparing alkyl acrylates
03/21/1989US4814491 obtain pure glyoxylic esters completely from their hemiacetals in water and lower alcohol, via addition of a higher alcohol having a boiling point above 180° C., and distillation out
03/21/1989US4814488 4,4-bis(4-hydroxyphenyl)cyclohexanecarboxylic acid derivatives and process for preparing same
03/21/1989US4814485 4-aminobutanoic acid derivatives, process of preparation and use thereof
03/21/1989US4814484 Radioimmunoassay
03/21/1989US4814483 Process for the preparation of optionally substituted 2-benzyl-toluenes
03/21/1989US4814479 Catalytic oxidation with ammonia, selectivity
03/21/1989US4814477 Dioxaphosphorinanes, their preparation and use for resolving optically active compounds
03/21/1989US4814454 Antiallergens, antiinflammatory
03/21/1989US4814372 Acid and acyl halide derivatives
03/21/1989US4814352 Therapeutic agents
03/21/1989US4814340 1,4-diaryl alkane derivatives having insecticidal and acaricidal activity
03/21/1989US4814322 1,2-dialkoxyalkenes
03/21/1989US4814306 Ph control by bulky organic bases during noble-metal exchange of zeolite catalysts
03/21/1989US4814305 Phosphorus, molybdenum, alkali metal
03/21/1989US4814113 Heating perfluoroalkyl vinyl ethers with fluorine containing catalyst
03/21/1989US4814110 Monoesterification with one anhydride, esterification with second anhydride
03/21/1989US4814108 Industrial cleaners, nonionic surfactant blends
03/21/1989CA1251474A1 Catalytic alkylation process and apparatus
03/21/1989CA1251473A1 Obtaining but-2-enes from c.sub.4-hydrocarbon mixtures which contain but-1-ene and may or may not contain but-2-enes
03/21/1989CA1251472A1 Continuous process for the radical chlorination of chloroalkanes
03/21/1989CA1251470A1 Pyrolytic dehydrochlorination of haloalkanes; chlorinated product initiator used in such a process
03/21/1989CA1251469A1 Process for the synthesis of hexafluorobutadiene and of higher perfluorinated dienes
03/21/1989CA1251468A1 Process for synthesizing 2,2,2-trifluoro-ethanol
03/21/1989CA1251467A1 Process for synthesizing 2,2,2-trifluoroethanol and 1,1,1,3,3,3-hexafluroisopropanol
03/21/1989CA1251465A1 Process for preparing trifluoroacetic and trifluoromethane sulfonic acids
03/21/1989CA1251464A1 TERT-BUTYL GAMMA DIMETHYLAMINO .beta.-HYDROXY BUTYRATE AND PROCESS FOR ITS PREPARATION
03/21/1989CA1251463A1 Synthesis of methionine hydroxy analog or derivative, and esters thereof; synthesis of 1-acyloxy-4- hydrocarbylthiopropene, and products
03/21/1989CA1251453A1 Bifunctional chelating agents
03/21/1989CA1251445A1 PROCESS FOR PREPARING 1.omega.-MERCAPTOPROPANAMIDE DERIVATIVES AND THE SALTS THEREOF
03/21/1989CA1251439A1 Crystalline boroosilicate, the synthesis thereof and its use in organic conversion
03/21/1989CA1251437A1 Activation of high-silica zeolites
03/21/1989CA1251435A1 Crystalline galloborosilicates
03/15/1989EP0307361A2 Process for the preparation of carbodiimides
03/15/1989EP0307358A1 1,3-Diketones containing ethers or thioethers and their use as stabilising agents in chlorinated polymers
03/15/1989EP0307179A2 Mitomycins and processes for their preparation
03/15/1989EP0307168A2 Ruthenium-phosphine complexes useful as catalysts
03/15/1989EP0307103A2 Fungicides
03/15/1989EP0307101A2 Chemical process
03/15/1989EP0307026A1 Process for the preparation of a butene
03/15/1989EP0306996A2 Process for the preparation of 3,5-dioxo cyclohexane carboxylic acid derivatives
03/15/1989EP0306969A2 A process for producing an alpha-acyloxy-alpha beta-unsaturated carbonyl compound and a 20-acyl-oxy-17(20)-methylen-21-al-steroid compound
03/15/1989EP0306961A1 Method for Producing m-Benzyltoluene
03/15/1989EP0306959A1 Phenoxyalkylcarboxylic acid derivatives and process for their preparations
03/15/1989EP0306940A1 Catalytical condensation process for organic carboxylic anhydrides
03/15/1989EP0306936A2 Process for producing aminooxyacetic acid salts
03/15/1989EP0306804A2 Process for the preparation of substituted benzyl trichlorides
03/15/1989EP0306649A1 3,5-Dihydroxycarboxylic acids and their derivatives, processes for their preparation, their use as medicaments, pharmaceutic preparations and intermediate products
03/15/1989EP0306592A2 Process for concentration of an aqueous solution of amino acid
03/15/1989EP0306566A1 Disproportionation of selected chlorofluoromethanes
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