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Class Information
Number: 560/204
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Carboxylic acid esters > Acyclic acid moiety > Polycarboxylic acid > Preparing esters by esterification or carbonylation
Description:










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
4731467 Process for the preparation of a diester of a 2-butenedioic acid Mar. 15, 1988
4730080 Process for the preparation of diesters of alkanedioic acids Mar. 8, 1988
4714775 Phenylcyclohexyl dicarboxylates Dec. 22, 1987
4713483 Process for the production of oxalic acid diesters Dec. 15, 1987
4711922 Citrate esters and methods Dec. 8, 1987
4698186 Process for the pre-esterification of free fatty acids in fats and oils Oct. 6, 1987
4692549 Carboalkoxylation of butadiene to form dialkyl adipate Sep. 8, 1987
4691047 Preparation of carboxylic di-esters or acids Sep. 1, 1987
4691046 Butanedioic acid mono [(2-dimethylamino] ethyl ester)succinate Sep. 1, 1987
4689429 Liquid copolyester plasticizers derived from 1,4-butanediol and a dicarboxylic acid mixture Aug. 25, 1987
4689430 Process for the coproduction of a dialkyl oxalate and tertiary butanol Aug. 25, 1987
4681707 Process for the production of carboxylic acid esters and/or carboxylic acids Jul. 21, 1987
4681975 Polyester Jul. 21, 1987
4670580 Process for preparing oligomeric glycol esters of dicarboxylic acids Jun. 2, 1987
4667053 Process for oxidative carbonylation using a catalyst having a novel support May. 19, 1987
4665213 Process for the production of esters May. 12, 1987
4663477 Process for the hydrolysis of dialkyl carbonates May. 5, 1987
4661622 Method for producing composite ester Apr. 28, 1987
4658053 Production of esters Apr. 14, 1987
4645855 Preparation of succinic acid diesters Feb. 24, 1987
4642371 Process for the preparation of diesters of dicarboxylic acids Feb. 10, 1987
4642374 Oxidative carbonylation to make dicarboxylic acid esters Feb. 10, 1987
4633015 Production of adipic acid from 1,4-disubstituted-2-butene Dec. 30, 1986
4629806 Vapor state formation of diesters of oxalic acid Dec. 16, 1986
4629807 Selective synthesis of aliphatic dicarboxylic acid esters using palladium-phosphine or palladium-arsine catalysts Dec. 16, 1986
4628113 Alcohol carbonylation process using a bimetallic cobalt catalyst Dec. 9, 1986
4628114 Carboxylic acid ester homologation using a sulfided nickel catalyst Dec. 9, 1986
4625049 Alcohol carbonylation process using a bimetallic nickel catalyst Nov. 25, 1986
4625051 Carboxylic acid ester homologation using a sulfided cobalt catalyst Nov. 25, 1986
4623748 Dialkyl adipate lubricants preparation using tantalum (V) halide/oxide-inorganic oxide catalysts Nov. 18, 1986
4620029 Method for making oxalic acid diesters Oct. 28, 1986
4618702 Manufacture of butanedicarboxylic acid esters Oct. 21, 1986
4616093 Process for preparing a diester of oxalic acid in the vapor phase Oct. 7, 1986
4614832 Dialkyl oxalates from carbon monoxide and an alcohol Sep. 30, 1986
4611082 Production of hex-3-enedioate esters from 1,4 dialkoxy butenes Sep. 9, 1986
4596886 Polyester containing impure 1,2-butanediol Jun. 24, 1986
4593135 Method for promoting the activity and/or extending the life of cation-exchangeable layered clay catalysts in proton-catalyzed reactions Jun. 3, 1986
4585891 Process for the production of dihydrocarbyl oxalates Apr. 29, 1986
4575562 Dimethyl adipate from butadiene Mar. 11, 1986
4571435 Preparation of nitrogen fertilizers from oxalate esters prepared by the oxidative carbonylation of alcohols over noble metal catalysts utilizing regenerable 2,5-cyclohexadiene-1,4-dione oxidan Feb. 18, 1986
4570016 Manufacture of butanedicarboxylic acid esters Feb. 11, 1986
4562283 Continuous separation of maleic anhydride from gaseous reaction mixtures Dec. 31, 1985
4554374 Process for dicarbonylation of simple olefins Nov. 19, 1985
4552976 Process for oxidative dicarbonylation of butadiene Nov. 12, 1985
4540810 Manufacture of alkanol and glycol esters Sep. 10, 1985
4539424 Preparation of linear esters by carbonylation of monoolefins Sep. 3, 1985
4539423 Process for preparing diesters of malonic acid Sep. 3, 1985
4537987 Preparation of pure monoesters of adipic acid Aug. 27, 1985
4532347 Membrane solvent extraction process Jul. 30, 1985
4526725 Catalyst composition and method for the manufacture of esters Jul. 2, 1985

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