Patents
Patents for C07C 69 - Esters of carboxylic acids; Esters of carbonic or haloformic acids (54,756)
03/1990
03/13/1990CA1266646A1 Benzonaphtalenic derivatives, process for their preparation and uses as pharmaceutic and cosmetic agents
03/12/1990EP0303617A4 Acid catalyzed process.
03/08/1990WO1990002161A1 Thermochromic mixtures
03/08/1990WO1990001937A1 Pentacyclic triterpenoid compounds as topoisomerase inhibitors or cell differentiation inducers
03/08/1990WO1990001874A1 Oxime derivatives and herbicides containing the same as an active ingredient
03/07/1990EP0357435A2 Optically active aromatic compounds, preparation process therefor, liquid crystal materials and a light switching element
03/07/1990EP0357403A2 Substituted beta-diketones
03/07/1990EP0357372A2 Optically active ester derivatives, preparation process thereof, liquid crystal materials and a light switching element
03/07/1990EP0357167A2 Substituted trifluorethhyl esters of phenylacetic acid, processes for their preparation and their use as pesticides
03/07/1990EP0357127A1 Gene replacement as a tool for the construction of aspergillus strains
03/07/1990EP0357092A1 Preparation of diacetoxybenzylidene diacetates
03/07/1990EP0356869A1 Process for the preparation of a cyclic, unsaturated ketone
03/07/1990EP0356475A1 Safety binding for skis.
03/06/1990US4907278 Integrated processing unit, particularly for connected speech recognition systems
03/06/1990US4906794 Lysosome liberation inhibitors and histamine release inhibitors
03/06/1990US4906775 Esters of 3-tert-butyl- and 3-tert-butyl-5-alkyl-4-hydroxyphenyl (alkane) carboxylic acids with oxyethylates of polythiols
03/06/1990US4906769 Isomerization of 2-pentenoates to 3-pentenoates
03/06/1990US4906765 Process for the production of 4-alkoxy-2(5H) thiophenones
03/06/1990US4906759 Process for the production of 4-alkoxy-2(5H) thiophenones
03/06/1990US4906702 Esters of unsaturated carboxylic acids, preparation of their oil-soluble homo- and copolymers and use thereof as pour point depressants
03/06/1990US4906669 Isoprenoid derivatives and anti-ulcer agents containing the same
03/06/1990US4906414 Chlorinated β-ketoesters
03/06/1990US4906402 Liquid crystal material
02/1990
02/28/1990EP0356317A1 Process for the purification of an ester
02/28/1990EP0356315A1 Process for preparing methyl methacrylate from isobutyric acid
02/28/1990EP0356270A2 Fatty-acid esters, method for their preparation and their industrial use
02/28/1990EP0356255A2 Preparation of food grade esterified propoxylated glycerin from free fatty acids
02/28/1990EP0355983A1 A process for the low residence time dehydration of p-acetoxyphenyl methylcarbinol
02/28/1990CN1040024A 2,3-difluorophenol derivatives
02/28/1990CN1040023A Rapidly solubilized calcium fumarate
02/28/1990CN1006982B Synthesis of methoxy pvrethrins
02/27/1990US4904815 Phenols and their production
02/27/1990US4904814 Process for the preparation of tert-alkyl esters
02/27/1990US4904810 Bischoloroformate preparation method with phosgene removal and monochloroformate conversion
02/27/1990US4904691 Novel HMG-CoA reductase inhibitors
02/27/1990US4904664 Benzene compounds having two pyridazinone substituents
02/27/1990US4904409 Liquid crystal has high twistability
02/22/1990WO1990001490A1 4-substituted anthracyclinones and anthracycline glycosides and their preparation
02/22/1990WO1989010929A3 New l-fucose analogs, method of preparation, application of such analogs to the preparation of new glycals, anthracyclines obtained with said glycals and utilization of said anthracyclines as drugs
02/22/1990EP0229757A4 A method of bonding two substrates using arylcyclobutene monomeric compositions.
02/21/1990EP0354995A1 4-Substituted anthracyclinones and anthracycline glycosides and their preparation
02/21/1990EP0354970A1 Process for producing carbonic acid ester
02/21/1990CN1039797A Difluoromethyl compounds
02/20/1990US4902840 Substituted tetrahydroindane derivatives and organoleptic uses of substituted tetrahydroindanes
02/20/1990US4902835 Fluorinated butene derivatives and methods for their preparation
02/20/1990US4902823 Process for the preparation of vinyl acetate
02/20/1990US4902822 Process for the preparation of carboxylic acids or esters thereof
02/20/1990US4902820 Preparation of α-acyloxycarbonyl compounds
02/20/1990US4902819 Preparation of sodium diethyl oxalacetate
02/20/1990US4902816 Polyols from phthalic compounds
02/20/1990US4902814 Chemical intermediates for insecticides and acaricides
02/20/1990US4902804 Multifunctional thiadiazole lubricant additives
02/20/1990US4902716 Anti-viral chamigrene derivatives
02/20/1990US4902443 Dicarboxylic acid mono-(2-hydroxydodecyl)-esters, their salts and their use as corrosion inhibitors in aqueous systems
02/20/1990US4902334 Regulation of plant metabolism by alpha, beta-or beta, gamma-unsaturated carboxylic acids or derivatives thereof
02/15/1990DE3921809A1 Niedermolekulare glasbildende verbindungen und ihre verwendung Low molecular glass-forming compounds and their use
02/14/1990EP0354894A1 Manufacture of alkyl glyoxylates with ferric phosphate catalyst
02/14/1990EP0354761A2 Veterinary compositions for use against endoparasites, and their preparation
02/14/1990EP0354681A2 Ultraviolet radiation absorbing naphthalenylidene compositions
02/14/1990EP0354655A2 1-Phenyl-1-propanol derivatives
02/14/1990EP0354434A2 Process for the preparation of rod-like compounds
02/14/1990EP0354418A2 6-Fluoro-3,5-dihydroxycarboxylic acids and their derivatives, processes for their preparation, their use as medicaments, pharmaceutical preparations and intermediates
02/14/1990EP0354347A2 Liquid crystal compounds,their manufacture as modifiers for polycarbonates,polyestercarbonates and polyesters
02/14/1990EP0354234A1 New amines, their use and preparation
02/13/1990US4901132 Semiconductor integrated circuit with switching bipolar transistors having high withstand voltage capability
02/13/1990US4900864 Manufacture of alkyl glyoxylates with ferric phosphate catalyst
02/13/1990US4900846 Process for making 1,3-dioxane derivatives
02/13/1990US4900478 Skin disorders
02/13/1990US4900462 Polar lubricating fluid and a method for its synthesis
02/13/1990CA1265793A1 Cycloaliphatic unsaturated derivatives, process for their preparation and use as therapeutic agents
02/08/1990WO1990001056A1 Difluoromethyl compounds
02/08/1990WO1990001021A1 Fluorinated alkoxyl compounds
02/08/1990DE3822203A1 Bicyclopentadiene compounds, their preparation and their use in polymer concrete
02/07/1990EP0353928A2 Preparation of esterified propoxylated glycerin by transesterfication
02/07/1990EP0353898A1 Neat (solventless) hydrogenation of 4-acetoxyacetophenone in the production of 4-acetoxystyrene and its polymers and hydrolysis products
02/07/1990EP0353722A2 Carbonylation process
02/07/1990EP0353707A2 Process for preparing beta-acyloxypropionaldehyde
02/07/1990EP0181404B1 Phthalate compounds
02/07/1990CN1039420A Process for the lactonization of xevinic acids and analogs thereof
02/07/1990CN1039412A Neat (solventless) hydrogenation of 4-acetoxyacetophenone in production of 4-acetoxystyrene and its polymers and hydrolysis products
02/07/1990CN1039411A Process for low residence time dehydration of p-acetoxyphenyl methylcarbinol
02/06/1990US4898977 Processes for the preparation of 5-amino-4-hydroxyvaleric acid derivatives
02/06/1990US4898970 Process for producing fluorinated esters
02/06/1990US4898969 Transesterification of alkoxyesters
02/06/1990US4898967 Dihalogenating, dehydrohalogenating, alkenylation, dehalogenation
02/06/1990US4898900 Flame-retardents having high bromine contents, improved thermal stability
02/06/1990US4898883 1-Substituted derivatives of 4-methoxy-2,3,6-trimethylbenzene, process for their preparation and medicinal and cosmetic compositions containing them
02/06/1990US4898877 Circulation-active cyclohexenecarboxylates
02/06/1990US4898864 Bicyclic aromatic compounds, a process for their preparation and their use in cosmetics and human and veterinary medicine
02/06/1990US4898855 Treating osteoporosis and antiinflammatory agent
02/06/1990US4898655 Reacting with bromine or mercapto compounds in presence of ultraviolet light
02/01/1990DE3920795A1 Asymmetrical diesters and the use thereof in the construction industry
01/1990
01/31/1990EP0353215A2 Purification of alkyl glyoxylate
01/31/1990EP0353053A2 Catalytic process for producing optically active alpha-hydroxycarboxylates
01/31/1990EP0353012A1 Ether bridged polyesters
01/31/1990EP0352718A2 Partially fluorinated compounds and polymers
01/31/1990EP0352667A1 Process for the preparation of pure monoglycerides and pure dyglycerides from a mixture containing mono-, di-and triglycerides
01/31/1990EP0352641A1 Method for the production of alkyl esters of pentenoic acid
01/30/1990US4897505 Reacting 3-chloro-3(4-chlorophenyl)propenal with chloromethyl isopropyl ketone, reacting the resulting product in the presence of a base or alkoxide
01/30/1990US4897481 Process for the minimization of racemization in the preparation of optically active ((aryloxy)phenoxy)propionate herbicides