Patents
Patents for C07C 255 - Carboxylic acid nitriles (27,066)
03/1991
03/26/1991CA1282078C Process for preparing 5,6-substituted-2, 4- quinazolinediaminesand novel intermediates
03/26/1991CA1282070C Biologically active amide derivatives
03/21/1991WO1991003450A1 Fluorobenzole derivatives and mesomorphous medium
03/21/1991WO1991003447A1 Difluorobenzonitriles and liquid-crystal medium
03/20/1991EP0418175A2 Isoxazoles herbicides
03/20/1991EP0417690A2 Aromatization process
03/20/1991EP0417325A1 Process for producing norcamphanedicarbonitriles
03/20/1991EP0417101A1 Condensation polymer containing the residue of an acyloxystyryl compound and shaped articles produced therefrom
03/20/1991CN1050014A Process for preparing 1,1-bis(4-chlorophenyl)-2,2,2-trichloroethanol
03/19/1991US5001209 Non-linear optical active diols and polyurethanes prepared therefrom
03/19/1991US5001152 Use of catechol-O-methyl transferase (COMT) inhibitors and their physiologically acceptable salts for ulcer treatment
03/19/1991CA1281716C Insecticidal n-substituted-n'-substituted-n,n'- diacylhydrazines
03/13/1991CN1049770A Herbicidal glutarmic acids and deriatives
03/12/1991US4999381 Fungicides
03/12/1991US4999378 Phenylcarboxylic acid derivatives
03/12/1991US4999377 2-(2-hydroxy-3-phenoxypropylamino)ethylphenoxyacetamide compounds; dietetics
03/12/1991US4999361 Cardiovascular disorders, blood vessel relaxants
03/12/1991US4999130 Optically active compound, process for producing same and liquid crystal composition containing same
03/12/1991CA2023720A1 Aromatization process
03/12/1991CA1281332C Insecticidal n'-substituted-n,n'-diacylhydrazines
03/07/1991WO1991002710A2 Benzol derivatives and liquid crystalline medium
03/07/1991WO1991002709A1 Phenylcyclohexanes and liquid crystal medium
03/07/1991DE4027923A1 Phenylcyclohexane und fluessigkristallines medium Phenylcyclohexanes and fluessigkristallines medium
03/07/1991DE4027840A1 Fluorbenzolderivate und fluessigkristallines medium Fluorobenzene derivatives and fluessigkristallines medium
03/07/1991DE4027315A1 Halogenierte benzolderivate und fluessigkristallines medium Halogenated benzene derivatives and fluessigkristallines medium
03/07/1991DE4001022A1 New di:fluoro-benzonitrile cpds. for use in liq. crystal medium - having large dielectric anisotropy and low viscosity
03/06/1991EP0415641A1 Substituted glutaramic acids and derivatives
03/06/1991EP0415595A1 Fluorobenzene derivatives
03/06/1991EP0415585A1 Fluorobenzene derivatives
03/06/1991EP0415278A1 Compounds having an ethylenic group in terminal position and their use in nonlinear optics
03/06/1991EP0415220A2 Chiral doping agents for liquid crystals
03/06/1991CN1049654A N-(substituted benzyloxy) imine derivatives, process for production thereof
03/05/1991US4997973 Ortho-substituted benzyl carboxylates and fungicides containing these compounds
03/05/1991US4997970 Conversion of pyrethroid isomers to move active species
03/05/1991US4997955 Preparation of 1,1-disubstituted ethylene compounds
03/05/1991US4997920 Dyeing polyolefins
03/05/1991CA1281033C Cyclohexenone derivatives, their manufacture and their use for controlling undesirable plant growth
03/05/1991CA1281032C Process for the preparation of benzylidene compounds
03/02/1991CA2024392A1 Compounds, which are ethylenically unsaturated in the terminal position, and the use thereof in nonlinear optics
03/01/1991WO1991003227A1 Topical antiinflammatory compositions with minimal systemic absorption
03/01/1991CA2064189A1 Topical antiinflammatory compositions with minimal systemic absorption
03/01/1991CA2023495A1 Herbicidal glutaramic acids and derivatives
02/1991
02/28/1991DE3927497A1 Novel phenyl-cyclohexane(s) - useful in liq. crystal mixts., e.g. for nematic media or super-twist displays
02/27/1991EP0414275A2 Process for the preparation of cyclic aminoacid derivitives as well as the intermediate products
02/27/1991EP0414262A2 Process for the preparation of cyclic amino anticonvulsant compounds
02/27/1991EP0414153A1 N-(substituted benzyloxy)imine derivatives, process for the production thereof, use thereof, and method of use thereof
02/27/1991EP0414059A1 Dihalogenovinylbenzylesters, process and starting material for their preparation and their utilization for the control of parasites
02/27/1991CN1049495A Butyric acid derivatives
02/26/1991US4996346 Formation of acyclic bis (reissert compounds)
02/26/1991US4996323 Reacting trichloroacetyl chloride and acrylonitirle, cyclization and aromatization
02/26/1991CA2023874A1 Process for cyclic amino acid anticonvulsant compounds
02/26/1991CA1280763C PROCESS FOR THE PREPARATION OF CERTAIN PAIRS OF ENANTIOMERS OF .alpha.-CYANO-3-PHENOXY-4-FLUOROBENZYL PERMETHRATE
02/22/1991WO1991002711A2 7,7-dimethylnorbornane derivatives
02/22/1991CA2065014A1 7-7-dimethylnorbornane derivatives
02/21/1991WO1991000725A3 Amino acid analog cck antagonists
02/21/1991DE4025550A1 Phenylcyclohexane und fluessigkristallines medium Phenylcyclohexanes and fluessigkristallines medium
02/20/1991EP0413673A2 Process for the preparation of iminodiacetonitrile
02/20/1991EP0413666A1 Butyric acid derivatives
02/20/1991EP0413648A1 Ultraviolet light-absorbing compounds and sunscreen formulations and polymeric materials containing such compounds or residues thereof
02/20/1991EP0413415A1 Carboxylic acids and derivates thereof
02/20/1991EP0413329A2 5-Methyl-isoxazole-4-carboxylic acid anilides and 2-hydroxyethylidene-cyano acetic acid anilides for the treatment of ocular diseases
02/20/1991EP0413224A1 Fungicidal agent containing 1,2-naphthoquinones
02/20/1991CA2023035A1 Dihalovinylbenzyl esters, their preparation, intermediates for their preparation and their use for controlling pests
02/19/1991US4994619 Substituted cyclic ketones, substituted cyclic enones, and process for producing the same
02/19/1991US4994616 Anilide herbicides
02/19/1991US4994615 Process for the preparation of optically active secondary arylamines
02/19/1991US4994601 Herbicidal α-(5-aryloxy-naphthalen-1-yl-oxy)-propionic acid derivatives
02/19/1991US4994599 Antibacterial agents
02/19/1991US4994596 Cyanoalkenylation process
02/19/1991US4994512 Poly-methine compounds, condensation polymer having a poly-methine compound admixed therein and shaped articles produced therefrom
02/19/1991US4994495 Fungicides
02/19/1991US4994490 Novel N-(sulfomethyl)-N'-arylureas
02/19/1991US4994489 Ester derivatives of diarylacetylenes, their compositions and their use in acne treatment
02/19/1991US4994488 Controlling Lepidoptera
02/19/1991US4994479 Antagonists of SRS-A(slow reacting substance of anaphylaxis); antiallergens, antiischemic agents
02/19/1991US4994361 Silver halide color photographic light-sensitive material
02/19/1991CA2023464A1 Butyric acid derivatives
02/19/1991CA1280441C Meta-substituted dioxa-alkane carboxylic acids, esters, amides and salts of diphenyl ethers
02/19/1991CA1280417C Fungicidal acrylates and preparation thereof
02/18/1991WO1991002715A2 Ultraviolet light-absorbing compounds and sunscreen formulations and polymeric materials containing such compounds or residues thereof
02/12/1991US4992576 Intermediates for leukotriene antagonists
02/12/1991US4992547 Aminoaryl ketone photoinitiators
02/12/1991US4992518 Polymers obtained by heating allybicyclo[2.2.1]hept-5-ene-2-carboxylic acid amides for between 6 and 60 hours at 150°-300° C.
02/12/1991CA1280121C Flow reactor system
02/12/1991CA1280110C LIQUID CRYSTALLINE FERROELECTRIC DERIVATIVES OF BRANCHED ACYCLIC .alpha.-CHLOROCARBOXYLIC ACIDS
02/07/1991WO1991001298A1 Process for the preparation of aromatic nitriles
02/07/1991WO1991001289A1 Substituted cyclohexanedione derivative
02/06/1991EP0411417A1 Process for preparing aminomethylene compounds
02/06/1991EP0411409A1 Tert.-butylesters of substituted 3-hydroxyproponoic acid
02/05/1991US4990683 Process for preparing 3-pyrrolidinols
02/05/1991US4990669 Optically active α-amino aldehydes, process for the preparation thereof, and the use thereof for the stereoselective preparation of optically active β-amino alcohols
02/05/1991US4990647 Catalytic coupling of two different halogenaromatics
02/05/1991US4990646 Preparation of halogenated quinolonecarboxylic acids
02/05/1991US4990645 Hydrocyanation process
02/05/1991US4990634 Novel tetracyanoanthraquinodimethane derivatives and process for producing same
02/05/1991US4990633 Fluorinated bisaryloxy-substituted alkenes, process for their preparation and their use
02/05/1991US4990494 1,1-dimethyl-1-nitrilo or hydroxylamino-3-(alkyl phenyl)-substituted propanes, organoleptic uses thereof and processes for preparing same
02/05/1991US4990232 Process for the preparation of carbodiimides
02/05/1991US4990176 Selective, tolerated by cultivated plants
02/05/1991CA1279873C Perfluoroalkylation process