Patents
Patents for C07C 49 - Ketones; Ketenes; Dimeric ketenes; Ketonic chelates (22,686)
10/1994
10/20/1994CA2121424A1 The preparation of 4-alkanoylaryl benzyl ethers
10/18/1994US5356560 Liquid crystalline media for electro-optical display elements
10/13/1994WO1994022925A1 Fluorinated photoinitiators and their application in uv curing of fluorinated monomers
10/12/1994EP0619289A1 Process for the manufacture of alkyl ketene dimers by dimerization with tertiary amines
10/12/1994EP0618890A1 Preparation of alpha, beta-unsaturated enones.
10/12/1994EP0425622B1 Mesogenic compounds
10/11/1994US5354937 2-tert-amylbutadiene as chemical intermediates for 2-tert-amylanthraquinone used as catalyst of hydrogen peroxide synthesis
10/11/1994US5354874 Substituted-acyclic terpene compound
10/11/1994US5354735 3-Methylcyclopentadec-5-en-1-one having a nitro-musk type odor; detergents; perfumes; hair products; cosmetics
10/11/1994US5354501 Improved response and helical pitch
10/05/1994EP0618196A1 Stereocontrolled synthesis of cis-bicyclic compounds
10/05/1994EP0618182A1 Indene derivatives and antimicrobial agents containing them
10/05/1994EP0479878B1 Process for preparing 1,4-bis-(4-hydroxybenzoyl)-benzene
10/05/1994CN1093079A Condiment compound with guaiacol structure and adrenaline B-blocking agent derived from dehydro-compound thereof
10/05/1994CN1026105C Fungicidal compositions
10/04/1994US5352839 Aldol condensation of acetone with removal of acetone, mesityl oxide and beta isophorone
10/04/1994US5352822 Pesticides
10/01/1994CA2120450A1 Use of compounds to enhance synchrony of germination and emergence in plants
10/01/1994CA2119732A1 Stereocontrolled synthesis of cis-bicyclic compounds
09/1994
09/29/1994DE4309865A1 Process for the extraction of heavy metals from contaminated solids
09/28/1994EP0616996A1 Enantiomeric resolution of 4-(3,4-dichlorophenyl)-3,4-dihydro-1(2H)-Naphthalenone
09/28/1994EP0616995A1 Process for the preparation of 1,3,5-triacetylbenzene
09/28/1994EP0616607A1 Process for removing acetone from carbonylation processes.
09/27/1994CA1332200C Non-linear optical active diols and polyurethanes prepared therefrom
09/21/1994CN1092407A Compounds
09/21/1994CN1092402A Synthesizing process for levocarvol
09/20/1994US5349112 Cyclic anti-tumor promoter compounds, compositions and methods for production and use
09/20/1994US5349107 Process for producing optically active γ-hydroxyketones
09/20/1994US5349105 Skin disorder
09/20/1994US5349095 Process for preparing hydroxyalkylbenzocyclobutenes
09/20/1994US5348631 Method and apparatus for synthesizing lead β-diketonates
09/15/1994WO1994020442A1 Fluorinated aromatic compound
09/14/1994EP0498847B1 PROCESS FOR PRODUCING 1,4-bis-(4-HYDROXYBENZOYL)BENZOL
09/14/1994EP0368946B1 1,2-dioxetanes
09/14/1994EP0346383B1 Hydrolysis of activated olefinic aldehydes and ketones
09/13/1994US5347051 Chain extenders for polyureas and polyurethanes
09/13/1994US5347049 Processes for preparing diamino compounds
09/13/1994US5347047 Phosgene
09/13/1994US5346983 Having chain extension activity for use in manufacturing polyurethanes
09/13/1994US5346885 Adding a polycyclic ketonic compound to confer, improve, enhance or modify the odor properties of a perfume
09/07/1994EP0613877A1 Preparation process of quinone derivative and intermediate for the preparation thereof
09/07/1994EP0613680A1 Use of derivatives of 6,6 dimethyl 2-acylcyclohex 4 en 1,3 dione in sunscreening compositions
09/07/1994CN1091734A Process for the preparation of phenylbenzamaide derivatives
09/07/1994CN1091733A Anti-androgenic cyclo and bicyclo alkenes
09/06/1994US5344992 Process for the preparation of linear 1,3-diketones
09/06/1994US5344981 Monomers for radiation resistant polymers that contain hexafluoroisopropylidene groups or 1-aryl-2,2,2-trifluoro ethylidene groups
09/06/1994US5344959 Skin disorders and anticancer agents
09/06/1994US5344952 Modulation of enzyme catalysis in immunoassay
09/06/1994US5344943 Solvent-free reaction of acyl chloride with triethylamine to form hydrochloride salt; intensive mixing in hydrochloric acid; separation; dimerization
09/06/1994US5344939 Esterification
09/06/1994US5344843 Carnitine acryltransferase enzyme inhibitors as antiischemic agents and for cardiovascular disorders
09/06/1994US5344826 Tricycle steroid analogs
09/02/1994CA2116611A1 Preparation process of quinone derivative and intermediate for the preparation thereof
09/01/1994WO1994019329A1 Substituted cyclic carbonyls and derivatives thereof useful as retroviral protease inhibitors
09/01/1994WO1994019306A1 A process for the production of ketene dimers
08/1994
08/31/1994EP0612840A2 Cyclic compounds and their use as perfuming ingredients
08/31/1994EP0612772A1 Luminiscent copolymers
08/31/1994EP0612739A1 A process for the production of ketene dimers
08/31/1994EP0612715A2 Fragrant composition
08/31/1994EP0612318A1 Heteroarylpiperidines, pyrrolidines and piperazines and their use as antipsychotics and analgetics
08/31/1994EP0612244A1 Endothelin receptor antagonists
08/31/1994CN1091423A Agricultural chemical composition with derivative of diene amide
08/30/1994US5342972 Preparation of 6-bromo-2,2-dialkyl-2,3-dihydrobenzofurans which are optionally fluoro-substituted
08/30/1994US5342865 Methoxyacetone, water, optionally another oxygen-containing solvent and dicyandiamide; dissolving cure catalyst and inhibitors
08/30/1994US5342610 Benzophenone derivative, ultraviolet absorbent and external preparation for skin
08/24/1994EP0552282B1 Bi-aromatic compounds and their use in human and veterinary medecine and in cosmetic preparations
08/23/1994USRE34706 Process for the preparation of styrene derivatives extended at the double bond by ethylene and having a double bond remaining in the extension chain formed and new styrene derivatives extended with ethylene
08/23/1994US5340521 Melt viscosity depressant for polyester resin and polyester resin composition comprising the same
08/23/1994CA1331606C Calcium independent camp phosphodiesterase inhibitor antidepressant
08/18/1994WO1994018155A1 Improved esterification process
08/18/1994WO1994018151A1 Acylfulvene analogues as antitumor agents
08/18/1994WO1994018150A1 Hexanone derivates, their preparation and use
08/18/1994WO1994018146A1 Process for the manufacture of 2,2,4,4-tetramethylcyclobutanediol
08/18/1994WO1994017796A1 Therapeutic use of compounds having selective agonist-like activity on rxr retinoid receptors
08/18/1994CA2155828A1 Therapeutic use of compounds having selective agonist-like activity on rxr retinoid receptors
08/18/1994CA2154351A1 Process for the manufacture of 2,2,4,4-tetramethylcyclobutanediol
08/18/1994CA2154270A1 Improved esterification process
08/17/1994EP0611232A1 Process for the preparation of phenylbenzamide derivatives
08/17/1994EP0610861A1 Fluorine-containing bezophenone derivatives and use thereof
08/17/1994EP0610819A1 Process for the preparation of acylcyclopropanes
08/17/1994CN1090845A Herbicidal substituted aryl-haloalkylpyrazoles
08/16/1994US5338881 Process for preparing diketones
08/16/1994US5338844 2-substituted-2-cyclopentenone compound and anticancer agent and bone formation accelerator comprising same as active ingredient
08/10/1994EP0348494B1 Dioxetanes for use in assays
08/10/1994CN1090568A Process for preparation of 1,2-and 1,3-pronpandiol
08/10/1994CN1025608C New fluoro-naphthacenediones, their glycosilatede derivatives and their manufacture procedures
08/10/1994CA2115001A1 Fluorine-containing benzophenone derivatives and use thereof
08/09/1994US5336809 Reacting 2-acetyl-2-chloro-4-butanolide with amine salt of triethylamine and hydrogen fluoride, then reacing with nucleophilic agent; intermediates for fungicides
08/09/1994CA2115186A1 Process for preparing phenylbenzamide derivatives
08/03/1994EP0502955B1 Fluorinated sulfones/ketones for nonlinear optics
08/03/1994EP0363458B1 2,3-difluorobenzenes
08/03/1994CN1025558C Method for reducing amount of polymer in reaction of dimerisation of ketene
08/02/1994US5334776 Aromatic diacetylenes for clathrating
08/02/1994US5334768 Process for the production of a cycloalkanone and/or a cycloalkanol
08/02/1994US5334767 Benzo[F]quinolinones
08/02/1994US5334740 Cyclohexanetriol derivatives
08/02/1994US5334733 Substituted 1,1,1-triaryl-2,2,2-trifluoroethanes and processes for their synthesis
08/02/1994US5334489 Process for generation of squaric acid and for imaging, and imaging medium for use therein
08/02/1994US5334333 Electroactive compounds, compositions and devices and methods of making the same
08/02/1994CA1331185C Intermediates for preparing 1,4-dihydro-4-oxo- quinoline-3-carboxylic acid esters