Patents
Patents for C07C 49 - Ketones; Ketenes; Dimeric ketenes; Ketonic chelates (22,686)
01/1991
01/15/1991US4985588 Nucleus-fluorinated aromatic carboxylates and processes for their production
01/15/1991US4985403 Use of adamantane derivatives in augmenting or enhancing the aroma of consumable materials
01/15/1991CA2021172A1 Monocyclic terpene derivatives
01/10/1991WO1991000143A1 Oxidic heterogeneous catalysts of osmium, method for manufacturing them and their use in converting olefinic compounds into glycols
01/08/1991US4983723 Cycloalkane derivatives
01/08/1991US4983627 Novel 6-alkyl and 6.8-dialkylbicyclo(4.2.0)octane derivatives
01/08/1991US4983584 Therapeutic and prophylactic agents for peptic ulcers
01/08/1991US4983208 Plant diseases, cereal crops
01/05/1991WO1991000260A1 Substituted bicycloheptandione derivatives
01/05/1991CA2035446A1 Substituted bicycloheptandione derivatives
01/03/1991DE3920917A1 Oxidische heterogenkatalysatoren des osmiums, verfahren zu ihrer herstellung und ihre verwendung fuer die ueberfuehrung von olefinischen verbindungen in glykole Oxidic heterogeneous catalysts of osmium, process for their production and their use for the Overpass of olefinic compounds in glycols
01/02/1991EP0406065A1 Method for the production of pseudo-ionone
01/02/1991EP0405634A2 Volatile organic barium, strontium and calcium compounds and method for the preparation of layered materials with barium, strontium or calcium oxides or fluorides from these compounds
01/02/1991EP0405427A2 Aromatic compounds, process for their preparation and their use as perfuming ingredients
01/02/1991EP0405389A1 Process for producing an aromatic compound
01/02/1991EP0405267A1 Hydroxyethyl-cyclopropyl-azolyl derivatives
01/02/1991EP0404834A1 Squalene oxide cyclase inhibitors and pharmaceutical composition
01/01/1991US4982006 Process for the preparation of certain substituted aromatic compounds
01/01/1991US4982005 Boron trifluoride catalyst
01/01/1991US4981993 Polyfunctional ethylenic monomers
12/1990
12/31/1990WO1991000256A1 Process for preparing 1,4-bis-(4-hydroxybenzoyl)-benzene
12/31/1990CA2062783A1 Process for preparing 1,4-bis-(4-hydroxybenzoyl)-benzene
12/27/1990EP0404672A1 Terpene derivatives, their preparation and use
12/27/1990EP0404640A1 5,6,7,8-Tetrahydro-1-naphtalenol derivatives, process for their preparation and their use as antioxidants in cosmetic and pharmaceutical compositions
12/27/1990EP0404497A2 A process for producing an alpha,beta-unsaturated carbonyl compound
12/27/1990EP0404453A2 Dimer reduction
12/25/1990US4980514 Ketone derivatives of polyoxypropylene glycols
12/25/1990US4980512 Preparation of 2-hydroxy-4-alkoxybenzophenones
12/22/1990CA2019496A1 Terpenic derivatives, preparation and use thereof
12/22/1990CA2019494A1 Process for the preparation of pseudo-ionone
12/20/1990WO1990015789A1 Preparation of unsaturated ketones
12/20/1990CA2016593A1 Dimer reduction
12/19/1990EP0403252A2 Process for preparation of epoxy esters and intermediates prepared thereby
12/19/1990EP0403026A1 12-Substituted-12H-dibenzo(D,G)(1,3)dioxocin-6-carboxylic acids, herbicidal compositions, and a method of controlling undesirable vegetation
12/19/1990EP0402646A1 Retroviral protease inhibiting compounds
12/19/1990EP0402469A1 Catechol compounds, process for their preparation and pharmaceutical preparation containing same
12/19/1990CN1047857A 2-hydroxy-3-phenoxypropylamino derivs. and their preparation
12/18/1990US4978797 Process for the preparation of 2-hydroxy-4-(hydroxyalkoxy)-benzophenone
12/18/1990US4978785 Oxidation of polyoxypropylene glycols to acids and ketones
12/15/1990CA2018986A1 Herbicidal 12-substituted 12h-dibenzo(d,g)(1,3)dioxocin-6-carboxylic acids
12/13/1990CA2018959A1 Tetrahydro-5,6,7,8 naphtalenol-1 derivatives, process for their preparation and use as antioxidant in cosmetic compositions and pharmaceutical products containing same
12/11/1990US4976834 Asymmetric photochemical reaction process
12/11/1990CA1277680C2 3,3,4-trimethyl-4-chloro-2-pentanone, 1-halo derivates and process therefor
12/11/1990CA1277679C Oxidation process
12/10/1990WO1990015044A2 Reactive compounds containing perfluorocyclobutane rings
12/10/1990WO1990015042A2 Reactive compounds containing perfluorovinyl groups
12/10/1990CA2031186A1 Reactive compounds containing perfluorovinyl groups
12/10/1990CA2030800A1 Reactive compounds containing perfluorocyclobutane rings
12/05/1990EP0400509A1 Process for the production of muscone, intermediates for this process and their preparation
12/04/1990CA1277332C Phenyl nonatetraenoic acid derivatives
11/1990
11/28/1990EP0399913A1 Process for the synthesis of "oxo" products through the plasma route and plant comprising a plasma reactor useful in the process
11/28/1990EP0399788A2 Process for the preparation of 2,3 substituted cylopentanones.
11/28/1990EP0399776A2 Ethylbenzene oxidation
11/28/1990CN1047277A Indan-1,3-dione derivative and herbicidal composition containing same as acitive ingredient
11/27/1990US4973756 Hydroxylated ene ketones, acetylenic grignards and hydroxylated yne ketones therefrom
11/27/1990CA1276801C Agents for regulating plant growth
11/24/1990CA2017368A1 Process for the synthesis of oxo compounds and apparatus comprising a plasma reactor for use in said process
11/22/1990EP0398474A2 Oxazole derivatives and intermediates for their preparation
11/22/1990EP0398258A1 Indan-1,3-dione derivative and herbicidal composition containing the same as active ingredient
11/22/1990EP0398099A1 Process for the production of cyclopentanones
11/22/1990EP0398061A2 Method of preparing alpha-fluoroacrylic acid derivatives and 1,1-difluoro-2-halogenoethyl(halogeno)methyl-ketones
11/22/1990DE3916140A1 Substd. cyclopentanone or formyl-cyclopentanone derivs. prodn.
11/22/1990DE3916139A1 Substd. cyclopentanone or formyl-cyclopentanone derivs. prodn.
11/22/1990DE3916138A1 Substd. cyclopentanone or formyl-cyclopentanone derivs. prodn.
11/20/1990US4971995 Inhibitors of monoamine oxidase, neurological disorders, aging, memory problems, schizophrenia, psydhaesthinia, parkinson*s disease
11/20/1990US4971979 Alkadiene derivatives, and pharmaceutical compositions containing them
11/20/1990CA1276647C 5-(2-chloro-4-trifluoromethylphenoxy)-2-nitro-a- substituted-acetophenone, oxime derivative thereof, process for preparing thereof, herbicidal composition, and method for the destruction of undesirable weeds
11/19/1990CA2284569A1 N-(aryloxyalkyl) heteroarylpiperidines and-heteroarylpiperazines, a process for their preparation and their use as medicaments
11/15/1990WO1990013610A1 Mesogenic compounds
11/15/1990WO1990013535A1 Compounds
11/15/1990WO1990011997A3 Inhibitors of mono-amine oxidase, process for their preparation, and their use in therapeutics.
11/15/1990DE3930663C1 Cross-coupling metal organic cpds. and e.g. halogen cpds. - includes using transition metal-palladium catalyst and opt. metal alcoholate
11/13/1990US4970348 Chromium halogenated coordination complexes for the oxidation of butane to methylethylketone
11/13/1990US4970347 Method of producing 2,6,6-trimethyl-2-cyclohexane-1,4-dione
11/13/1990US4970345 Process for preparing oxocyclopentene derivatives
11/13/1990US4970191 Mixing acid, pseudoboehmite, and magnesium oxide or hydroxide; agitation, drying, and roasting
11/13/1990US4970023 Biphenyl compounds, method of producing the same as well as liquid crystal compositions and light switch elements each containing the same
11/13/1990CA1276373C Chain-extended poly(aryl ether ketones)
11/13/1990CA1276181C Process for purifying 4-hydroxyacetophenone
11/13/1990CA1276155C Derivatives of an aminoketone
11/13/1990CA1276067C Method for molding 1,4,4a,9a-tetrahydroanthraquinone
11/07/1990EP0395734A1 1-aminomethyl-1,2,3,4-tetrahydronaphthalenes
11/07/1990EP0395662A1 Alkyltetramethylcyclohexane derivatives and their use as perfumes.
11/07/1990CN1010304B Process for preparing of phenol and acetone by oxidation of cumene
11/06/1990US4968845 Catalytic reaction of halobenzene with aromatic diacyl halide
11/06/1990US4968706 Mucolytic, antitussive, bronchodilator, antiinflammatory
11/06/1990US4968681 Substituted hydroxylamines
11/05/1990CA2015705A1 Compounds
11/01/1990WO1990012859A1 A process for isomerizing olefinically unsaturated secondary alcohols
11/01/1990WO1990012773A1 Chiral reaction medium for organic reactions
10/1990
10/31/1990EP0395390A1 Optically active biphenyl derivative, process for preparation thereof, liquid crystal composition containing the same as effective component, and liquid crystal element using the same
10/31/1990EP0233192B1 Chain-extended poly (aryl ether ketones)
10/30/1990US4967012 Acetals, and a process for the preparation thereof
10/30/1990US4967011 Process for decomposing aromatic acylated compound.HF-BF3 complex
10/30/1990US4967010 In aprotic solvent in presence of urea derivative
10/30/1990US4967009 Reacting unsaturated aromatic compounds with aromatic iodosyl compounds to yield aromatic aldehydes or ketones
10/30/1990US4966172 Flavor compositions and tobacco products containing 3,5,5,6,8,8-hexamethyl-1,2,3,4,5,6,7,8-octahydro-2-naphthalenone
10/24/1990EP0393230A2 Functionalized fluoropolyethers
10/23/1990US4965400 Acylation of 2,6-di-substituted phenol with acetic anhydride, esterifying, hydrogenation, and dehydrating
10/23/1990US4965361 Preparation of 4-substituted aryl olefins