Patents
Patents for C07D 303 - Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom (12,512)
02/1991
02/12/1991US4992565 Reacting dimethyl sulfide with methyl bromide in acetone to produce trimethylsulfonium bromide, reacting it with 1-(4-chlorophenyl-)4,4-dimethy-3-pantenone
02/12/1991US4992535 Cardiovascular disorders; side effect reduction
02/12/1991US4992474 Phenethanolamine derivatives
02/10/1991WO1991001980A2 Process for preparing plastics from raw fats and oils
02/10/1991CA2038936A1 Method of producing plastics from crude fats and oils
02/06/1991EP0411703A1 Novel HMG-COA synthase inhibitors
02/05/1991US4990693 Novel substances KS-504a, KS-504b, KS-504d and KS-504e and process for their preparation
02/05/1991US4990677 Fungicidal and plant growth-regulating azolylmethyl-cyclopropyl derivatives
02/05/1991US4990668 Reacting selected dioxolane with hydrohalic acid and organic acid, then with amine
02/05/1991US4990633 Fluorinated bisaryloxy-substituted alkenes, process for their preparation and their use
02/01/1991CA2022117A1 Hmg-coa synthase inhibitors
01/1991
01/31/1991DE3923674A1 New 1,2-di:aryl-3-chloro-propene cpds.
01/30/1991EP0410929A2 Linear polymers
01/30/1991EP0410600A2 Propylene oxide production
01/30/1991EP0410447A2 Liquid crystalline compounds, liquid crystal compositions containing the same and use thereof
01/30/1991EP0410241A1 Aryl alkenoic acid derivatives as leukotriene antagonists
01/29/1991US4988830 Oxidation of hydrocarbons having at least 4 carbon atoms to form a hydroperoxide, reacting with propylene to form propylene oxide and alcohol, further epoxidation of propene
01/29/1991US4988829 Formation of epoxide intermediates for fungicides by epoxidation of a ketone with trimethylsulfonium bromide
01/29/1991US4988819 1,2,4-triazolemethyl ketones as chemical intermediates for plant growth regulators or fungicides
01/29/1991US4988625 Carbonyldiimidazole treatment of the support crosslinking to form a carbamate with polysaccharides
01/29/1991US4988459 Electrooptic switches or display
01/29/1991US4988383 Plant growth regulators, fungicides
01/29/1991US4988382 Herbicides, plant growth regulators, imidazole derivatives, fungicides
01/28/1991CA2021995A1 Aryl alkenoic acid derivatives as leukotriene antagonists
01/25/1991CA2021689A1 Linear polymers
01/23/1991EP0409712A1 Process for the preparation of a stereoisomer of glycidyl esters, intermediates and process for the preparation of benzothiazepinone derivatives
01/23/1991EP0409049A2 Method for the stereoselective production of Z-1,2-diaryl-alkyl-chlorides and their conversion to azolylmethyloxiranes as well as intermediates
01/22/1991US4987236 Optically active alcohols and process for producing the same
01/22/1991US4987227 Epoxidation catalysts
01/15/1991US4985461 Insecticidal N'-substituted-N,N'-diacylhydrazines
01/15/1991US4985454 Treatment of glaucoma
01/09/1991EP0406837A2 Cationic polysaccharides and reagents for their preparation
01/09/1991EP0406572A1 Cyclic compounds and their process of preparation
01/09/1991EP0406438A1 Production of glycidyl ether
01/08/1991US4983775 Novel substances KS-504a, KS-504b, KS-504d and KS-504e and process for their preparation
01/08/1991US4983260 Condensing in heat exchangers
01/08/1991US4983208 Plant diseases, cereal crops
01/03/1991DE3921295A1 New complex cpds. for use as catalysts
01/02/1991EP0405713A1 Polymerization of liquid crystalline monomers
01/02/1991EP0405267A1 Hydroxyethyl-cyclopropyl-azolyl derivatives
01/02/1991CA1278577C Bicyclic sulfonamide derivatives
01/02/1991CA1278562C Process for oxidizing fluorinated olefins and catalyst useful to the purpose
01/01/1991US4981981 Sesquiterpene epoxides and process for their preparation
12/1990
12/27/1990EP0404417A1 Removal of acidic impurities from tertiary butyl hydroperoxide containing feedstock
12/27/1990EP0403920A2 Oligomeric epoxy resins based on particular diphenols and their conversion products with (meth)acrylic acid and diisocyanates
12/27/1990CA1278306C Olefin epoxidation in a polar medium
12/27/1990CA1278305C Reactor configuration for alkylene oxide production process
12/25/1990US4980488 Fungicidal and plant growth-regulating azolymethyl-cyclopropyl derivatives
12/25/1990US4980486 Phenyl isothiocyanates
12/25/1990US4980349 Antiinflammatory agents, antiallergens, anticoagulants
12/20/1990CA2014966A1 Polymerization of liquid crystalline monomers
12/19/1990EP0403252A2 Process for preparation of epoxy esters and intermediates prepared thereby
12/19/1990EP0403250A2 Phenylglycidamides useful for preparing alpha-hydroxy-beta-sulfido-arylpropionic acid derivatives
12/19/1990EP0402743A1 Process for the production of di-(p-glycidoxycyclohexyl)-methane
12/19/1990EP0402646A1 Retroviral protease inhibiting compounds
12/18/1990US4978383 N-phenylsulfonyl-N'-triazinylureas
12/13/1990DE3918795A1 Epoxide] with built-in amine curing gps. - used in mfr. of one-component adhesives
12/11/1990US4977285 Adding lower aliphatic alcohol to heavy liquid distillation fraction, then falling-film evaporation
12/11/1990US4977277 Intermediates for renin inhibitors
12/11/1990US4976891 Bicyclic sulfonamide derivatives
12/06/1990DE3916719A1 Methyl 2-oxiranyl-phenyl-acrylate derivs.
12/05/1990CN1047501A Process for preparing aromatic ether
12/04/1990US4975500 Adducts of metabrominated phenols and polyfunctional epoxides
12/04/1990US4975459 Microbicidal and plant growth regulating compounds
12/01/1990WO1990015045A1 Oxidative preparation of a-nor-17 beta-carboxy-3,5-secoandrostan-5-one-3 oic acid
11/1990
11/28/1990EP0399899A1 Process for the preparation of aromatic ethers
11/28/1990EP0399279A1 New monomers and their use for the preparation of a laser optical recording element which can be repeatedly deleted and re-entered
11/28/1990CN1047277A Indan-1,3-dione derivative and herbicidal composition containing same as acitive ingredient
11/28/1990CN1010585B Production of ethylene oxide
11/27/1990US4973750 From a 3-aryl-2-propyne-1-ol compound, selectivity
11/27/1990US4973747 Chemical intermediate for antibiotics
11/27/1990US4973718 Rhenium prophyrin catalyst
11/27/1990US4973589 Method of preventing the reinfestation of dogs and cats by fleas
11/27/1990US4973425 Liquid crystal composition and use thereof
11/27/1990CA1276937C Leukotriene antagonists
11/23/1990CA2017307A1 Process for preparing aromatic ethers
11/22/1990EP0398692A2 Alkoxyiminoacetamide derivatives and their use as fungicides
11/22/1990EP0398258A1 Indan-1,3-dione derivative and herbicidal composition containing the same as active ingredient
11/22/1990EP0397793A1 Selective epoxidation of olefins
11/21/1990CN1010477B Process for extracting paraffins from mixture of alkane and alkanesutphonic acid
11/20/1990US4971661 Purification of propylene oxide using an aqueous acetone extractive distillatin agent
11/20/1990US4971620 Applying to fields to kill weeds
11/20/1990CA1276619C Process for the preparation of a silver-containing catalyst
11/20/1990CA1276533C Chemical indicator
11/14/1990EP0397317A1 Diglycidyl ether
11/14/1990EP0397195A2 A composition comprising an epoxy compound
11/13/1990US4970330 Insecticides, pesticides
11/13/1990US4970238 Adrenergic blocking agents, cardiovascular disorders
11/07/1990EP0396203A2 Encapsulating semiconductors
11/06/1990US4968829 Anthelmintics, parasiticides, nematocides
10/1990
10/31/1990EP0395199A1 Substituted tetrahydroindane derivatives and their use as intermediates
10/31/1990EP0395122A2 Electrodeposition paints with a base of aminourethanes
10/31/1990EP0394843A1 1- Halovinyl-azoles and fungicides and plant-growth regulators containing them
10/31/1990EP0394838A1 Process for the preparation of 3,4-epoxyalkane- and/or 4-hydroxy-2-alkene carbonic acids and their esters
10/31/1990EP0394440A1 Phenylcarboxylic acid derivatives
10/30/1990US4966657 Process for separating ethylene oxide from aldehyde impurities by distillation
10/26/1990CA2013140A1 1-halovinylazoles and fungicides and growth regulators containing these
10/24/1990EP0393923A1 6-Fluoroshikimic acid derivatives
10/24/1990EP0393428A1 Oxiran-phenylesters and fungicides containing these
10/24/1990EP0393230A2 Functionalized fluoropolyethers