Patents
Patents for C07C 69 - Esters of carboxylic acids; Esters of carbonic or haloformic acids (54,756)
01/1990
01/30/1990US4897474 Carbohydrate fatty acid esters and a process for preparing them
01/30/1990US4897458 Water-soluble copolymers and their preparation
01/30/1990US4897420 Ischemic diseases; antiallergens
01/30/1990US4897216 Liquid crystals
01/30/1990CA1265154A1 Process for synthesizing 1,1,2,2- tetrahydroperfluoroalkanols and the esters thereof
01/30/1990CA1265153A1 Process for synthesizing 1,1,2,2- tetrahydroperfluoroalkanols and the esters therof
01/30/1990CA1265134A1 Hydroxy-1 acyloxy-8 acyl-10 anthrones, process for their preparation and use in human and veterinary medicine as well as in the cosmetics industry
01/30/1990CA1265133A1 1,8-dihydroxy 10-phenyl 9-anthrone or 9-anthranol mono, di and tri-esters; process for preparing the same; cosmetic compositions containing these products
01/29/1990EP0314759A4 Asymmetric hydroformylations of prochiral olefins to chiral aldehydes in high enantiomeric excess.
01/25/1990WO1990000586A1 Ferroelectric liquid-crystal polymers, process for producing same and their use in electro-optical components
01/25/1990WO1990000585A1 Ferroelectric liquid crystal polymers, process for producing the same and their use in electro-optical components
01/25/1990WO1990000584A1 Ferroelectric, liquid crystal polymers, process for producing the same and their use in electro-optic components
01/24/1990EP0352167A1 Process for the alcoxy carbonylation of halogenated aromatic derivatives
01/24/1990EP0352164A1 Hydrogenolysis method
01/24/1990EP0352013A2 Hydroxymethyl cyclobutyl purines
01/24/1990EP0351918A1 Process for the lactonization of mevinic acids and analogs thereof
01/24/1990EP0351782A2 Optically active compounds liquid crystal composition containing said compound, and liquid crystal optical modulator using said composition
01/24/1990EP0351650A2 Fluorocyclopropyl derivatives
01/24/1990EP0351647A2 2,2-Difluorocyclopropyl derivates
01/24/1990EP0351616A2 Process for the preparation of alkyl esters of pentenoic acid
01/24/1990EP0351603A2 Transvinylation reaction
01/24/1990EP0351592A2 Low phosgene method for preparing aromatic bischloroformates
01/24/1990CN1039047A Process for increasing molecular weight of hydrocarbons and/or derivatives thereof
01/23/1990US4895986 2,2'-difluoro-4-alkoxy-4'-hydroxydiphenyls and their derivatives, their production process and their use in liquid crystal display devices
01/23/1990US4895979 Process for preparing carnitine
01/23/1990US4895976 Preparation of 4-pentanoates by isomerization
01/23/1990US4895975 Diacetylene compound and process for production of polymer containing diacetylene groups from the diacetylene compound
01/23/1990US4895974 Agriculture
01/23/1990US4895596 Reduction, precipitation
01/23/1990CA1264764A1 Process for producing aromatic diols and their ether derivatives
01/23/1990CA1264757A1 Process for preparing perfluoroalkylated alcohols
01/18/1990DE3918884A1 Fluessigkristalline mischungen Mixtures Fluessigkristalline
01/17/1990EP0350842A2 Pyramidal liquid crystals
01/17/1990EP0350808A2 Method for detecting substances with hydrolase activity
01/17/1990EP0350700A2 Preparation of organic carbonates by oxidative carbonylation using palladium-cobalt catalyst
01/17/1990EP0350697A2 Preparation of organic carbonates by oxidative carbonylation using palladium-manganese catalyst
01/17/1990EP0350686A2 Process for the preparation of 6-hydroxycapronic-acid esters
01/17/1990CN1006464B Process for preparing naphthalene derivatives
01/16/1990US4894474 Preparation of alkyl pentenoates
01/16/1990US4894471 Alumina catalysts
01/16/1990US4894359 Heat-sensitive recording paper
01/16/1990US4894181 Carbocyclic compounds
01/11/1990WO1990000168A1 Improved methods of using chemiluminescent 1,2-dioxetanes
01/11/1990WO1990000164A1 Novel chemiluminescent fused polycyclic ring-containing 1,2-dioxetanes and assays in which they are used
01/10/1990EP0350386A1 Unsaturated derivatives of lipid soluble benzal malonates, and their use as UV absorbers in the cosmetic field
01/10/1990EP0350330A2 Liquid crystal compounds
01/10/1990EP0350320A2 Production of unsaturated compounds
01/10/1990EP0350041A2 Esters of 2,2-dimethyl-cyclopropane-carboxylic acid
01/10/1990EP0282546B1 Method for making reaction products of phosgene and dihydric phenol
01/10/1990CN1006380B Ralpha-f-substituted-acrylic resin and polymer thereof
01/09/1990US4892966 Flavors for foods, tobacco
01/09/1990US4892962 Process for the preparation of 2,2-difluoropent-4-enoic acids and acid derivatives
01/09/1990US4892940 Aromatic naphthyl compounds, a process for their preparation and their use in human and veterinary medicine and in cosmetic compositions
01/09/1990US4892864 Antiinflammatory agent, skin disorders
01/09/1990CA1264394A1 Copolymerisable surfactants, adhesive copolymers thereof and their manufacture
01/09/1990CA1264330A1 Process for the production of deuterated methyl acrylate or deuterated methyl methacrylate
01/09/1990CA1264329A1 Process for preparation of 2,3,4,5- tetrafluorobenzoylacetates
01/09/1990CA1264328A1 Antiallergic agents
01/09/1990CA1264320A1 Prostaglandin analogues, process for their preparation and pharmaceutical compositions containing them
01/08/1990EP0275260A4 Method of detecting a substance using enzymatically-induced decomposition of dioxetanes.
01/03/1990EP0349382A1 Process for purifying dihydroxybiphenyls
01/03/1990EP0349178A1 Carbonylation process for preparation of aromatic carboxylic esters and an alkyl iodide
01/03/1990EP0349063A2 5-oxygenated HMG-COA reductase inhibitors
01/03/1990EP0348878A2 Modified rhodomycins, process for their preparation and their use
01/03/1990EP0348766A2 Alpha-arylacrylic-acid esters and fungicides containing same
01/03/1990EP0348764A2 Alkane triol monoesters and process for their preparation
01/03/1990EP0348664A2 Pharmaceutical compositions containing monoacetoacetins for treating tumours
01/03/1990EP0348494A1 Dioxetanes for use in assays.
01/03/1990EP0259417B1 Ruthenium catalyst for biarylic coupling; new steganolides
01/02/1990US4891432 Phenoxy imidazole compound
01/02/1990US4891430 Process for synthesizing active esters of carboxylic acids, new alpha-halogenated carbonates which are useful for this synthesis and the method of producing them
12/1989
12/28/1989WO1989012619A1 Carbonylation process for preparation of aromatic carboxylic esters and an alkyl iodide
12/28/1989WO1989012618A1 Polymerizable surfactant
12/27/1989EP0348309A1 Process for the preparation of vinyl acetate
12/27/1989EP0348254A2 Process for the preparation of norpyrethroid compounds
12/27/1989EP0347932A2 Treatment of conditions requiring enhanced oxygen availability to mammalian tissues
12/27/1989EP0347694A1 Pyrethroids, process for their preparation and their use in combating pests
12/27/1989EP0347690A2 Process for manufacturing benzene derivatives, and benzene derivatives
12/27/1989EP0347679A1 1,7-Dioxynaphthalene derivatives
12/27/1989EP0347463A1 Method of obtaining pentaerythryl-tetrakis-¬3-(3,5-ditert.butyl-4-oxyphenyl)propionate
12/27/1989CN1038275A Naphthalene compound and liquid crystal composition containing the same
12/26/1989US4889950 Esterification of carboxylic acid with low boiling alcohols; cyclic process
12/26/1989US4889949 Catalyst composed of palladium source, organophosphorus compound and hydracid
12/26/1989US4889947 Sunscreen lotion
12/26/1989US4889872 2,3,5,6-Tetrafluorobenzyl (+) 1r-trans-2,2-dimethyl-3-(2,2-dichlorovinyl)-cyclopropanecarboxylate
12/26/1989US4889871 Alkoxy-substituted dihydrobenzopyran-2-carboxylate derivatives
12/26/1989US4889870 2-(2,2-Difluorocyclopropyl)alkyl esters, processes for their preparation and their use as insecticides and acaricides
12/26/1989US4889656 Surfactants
12/26/1989US4889647 Organic molybdenum complexes
12/20/1989EP0347340A1 Process for the preparation of diesters of hexenedioic acid
12/20/1989EP0346999A1 Process for increasing the molecular weight of hydrocarbons and/or derivatives thereof
12/20/1989EP0346852A2 Process for producing 4-chloro-3-alkoxybut-2E-ene acid alkyl esters
12/20/1989EP0346470A1 Method of extracting pentaerythryl-tetrakis- 3-(3,5-ditert. butyl-4-oxyphenyl)propionate from the reaction mass obtained during synthesis of said product
12/20/1989CN1038092A Tetralin esters of phenols or benzoic acids
12/19/1989US4888441 Preparation of linear, low-molecular-weight polyester-based polyols
12/19/1989US4888433 Process for the preparation of optically active alpha-arylalkanoic acids and novel intermediates thereof
12/19/1989US4888195 Low to non-caloric fat substitute in food products
12/14/1989WO1989012085A1 Compounds and methods based on [1.1.1]propellane
12/14/1989WO1989012060A1 Oligonucleotide analogs containing sulfur
12/14/1989WO1989012043A1 An improved process for the minimization of racemization in the preparation of optically active [(aryloxy)phenoxy]propionate herbicides