Patents
Patents for C07C 49 - Ketones; Ketenes; Dimeric ketenes; Ketonic chelates (22,686)
08/1991
08/13/1991US5039672 Administering enzyme inhibitors to control diabetes
08/13/1991US5039671 Bone disorders; calcium or phosphorus inbalance
08/13/1991US5039659 2,2,3-trimethylcyclopentenyl acetone derivatives, organoleptic uses thereof and process for preparing same
08/13/1991CA2036008A1 Visible light reduction in non-visible chemical light devices
08/13/1991CA2036002A1 Process for the production of squaric acid
08/13/1991CA1287575C Signal enhancement in immunoassay by modulation of enzymatic catalysis
08/10/1991CA2035426A1 Catalytic carbonylation process
08/09/1991CA2035943A1 Process for the preparation of terpenic ketones
08/08/1991WO1991011418A1 Partially fluorinated compounds
08/08/1991WO1991005750A3 Process for producing fluorinated organic compounds
08/08/1991DE4003423A1 Prepn. of butyl or butenyl carbonyl cpds.
08/07/1991EP0440324A2 Substituted beta-diketones and their use
08/07/1991EP0440134A1 Mesomorphic compound, liquid crystal composition containing same, liquid crystal device using same and display apparatus
08/07/1991EP0440037A1 Hydroxycarbonyl derivatives and process for making the same
08/07/1991EP0439913A2 Manufacture of ketone derivatives of polyoxypropylene glycols
08/07/1991CN1013442B Bicyclic compound processes for prepn. thereof and pharmaceutical composition comprising same
08/07/1991CN1013439B Preparation of camphor by resin catalized direct hydration of camphene
08/06/1991US5037968 Ion Selective Membranes Of Ion Selective Electrodes; Color Indicators
08/06/1991US5037919 Reactive compounds containing perfluorovinyl groups
08/06/1991US5037900 Thermoplastic Molding Materials With Good Impact Strength, Heat And Solvent Resistance
08/06/1991US5037854 3,5-dihydroxyanisole; valeroyl chloride; fries rearrangement with aluminum chloride; induces cell differentiation
08/06/1991US5037802 Perfumes
08/06/1991US5037575 Squarilium compound and liquid crystal composition containing the same
08/01/1991DE4101737A1 Prepn. of olefinic cpds. by reacting carbonyl cpds. and di:azo-alkane - in presence of tert. phosphane and organo-rhenium oxide catalyst
08/01/1991DE4101600A1 New partly fluorinated uncondensed poly:cyclic cpds. - used in LCD medium, with low viscosity and wide mesophase range
07/1991
07/31/1991WO1991012222A1 Method for protecting dihydroxyacetone, dihydroxyacetone thereby protected and cosmetic product containing said protected dihydroxyacetone
07/31/1991EP0439265A1 Novel 1,3-dicarbonyl compounds and their use
07/31/1991EP0439129A2 Optically active isoxazole derivatives and intermediates for preparation thereof as well as processes for producing the same
07/31/1991EP0438686A2 Triazolylmethyl-cyclopropyl derivatives
07/25/1991WO1991009020A3 Production of 5-(4'-hydroxyphenyl)hydantoin and d-p-hydroxyphenylglycine from 4-hydroxyacetophenone
07/24/1991EP0437764A1 Stable aqueous emulsions of alkyl-keten dimer
07/23/1991US5034544 Antiviral 2,3-bis-(aryl)-3-chloropropenal compounds
07/23/1991CA1286693C Cholecalciferol derivatives
07/19/1991WO1991010636A1 Method of preparation of ketones
07/19/1991CA2074192A1 Method of preparation of ketones
07/19/1991CA2034355A1 Stabilized aqueous alkyldiketene emulsions
07/17/1991EP0437058A1 Formation of hydroxyaromatic ketoacetal from an hydroxyaromatic methylketone and production of 5-(4'-hydroxyphenyl)hydantoin and D-p-hydroxyphenylglycine from 4-hydroxyacetophenone
07/17/1991EP0436628A1 Fluorination of epoxides
07/16/1991US5032606 Novel fluorinated resorcinol ethers and their use as anti-allergics and anti-inflammatories
07/16/1991US5032592 Alkene, alkyne or cycloalkylene derivatives
07/16/1991US5032590 Substituted hydroxylamines
07/16/1991US5032313 Trifluorobenzene derivative and liquid crystal composition containing the same
07/10/1991EP0436474A1 New fluoro-naphtacenediones, their glycosilated derivatives and methods of making them
07/09/1991US5030765 Skin disorders, anititumor agents
07/09/1991US5030764 Antitumor agents; treatment of skin disorders
07/09/1991US5030739 Formation Of Hydroperoxides Using An N-Hydroxydicarboxylic Acid Imide As Catalyst
07/08/1991CA2007324A1 Method of treatment of drilled-in underground formation saturated with hydrocarbon gas
07/03/1991EP0262126B1 Microbiological reduction of intermediary products of prostacyclin with a 15-ketonic group
07/03/1991CN1052659A Fluoro-naphthacenediones, their glycosilated derivatives and their manufacture procedures
07/03/1991CN1052658A Natural mercerizing zeolite catalysising camphane alkene water synthetizing isoborneol
07/03/1991CN1052657A Aromatic 1,2-diketone monopinch ketone making method
07/02/1991US5028724 Synthesis of volatile fluorinated and non-fluorinated metal-beta-ketonate and metal-beta-ketoiminato complexes
07/02/1991US5028254 Azole derivatives and agricultural and horticultural chemical composition containing the same
07/02/1991CA1285574C Process for preparing sertraline intermediates
07/02/1991CA1285565C 4-cyano-2,3,5,6,7,8-hexahydro-3-oxo-isoquinoline compounds
06/1991
06/27/1991WO1991009020A2 PRODUCTION OF 5-(4'-HYDROXYPHENYL)HYDANTOIN AND D-p-HYDROXYPHENYLGLYCINE FROM 4-HYDROXYACETOPHENONE
06/27/1991DE4035478A1 1,4,5,7-tetra:hydroxy-2,3-di:hydro-9, 10-anthracene di:one purificn. - by oxidn. to 1,4,5,8-tetra:hydroxy-9, 10-anthracene di:one, conversion to 1,4,5-tri:acetoxy-8-hydroxy derivs. recrystallisation
06/27/1991CA2027172A1 Manufacture of ketone derivatives of polyoxypropylene glycols
06/26/1991EP0434618A2 UV-absorber and light sensible organic material containing it
06/26/1991EP0434485A1 Method of production of phenol
06/26/1991EP0434249A2 Benzofuran derivatives
06/26/1991EP0190219B1 Composition for the treatment of haemorrhoids
06/25/1991US5026868 Indenyl imidazoles
06/25/1991CA1285283C Tricyclo (6.2.1.0 , )undecanes useful as fragrance chemicals
06/22/1991CA2032985A1 Process for preparing phenol
06/22/1991CA2032671A1 Uv absorbers and light-sensitive organic material containing same
06/19/1991WO1991009003A1 Catalytic method to produce hydroxy substituted arylophenones
06/19/1991EP0432913A2 Oxidation of polyoxypropylene glycols
06/19/1991EP0432719A1 Alkylamino- and alkylaminoalkyl diarylketones, a process for their preparation and their use as medicaments
06/19/1991EP0432275A1 Substituted bicycloheptandione derivatives.
06/19/1991CN1052299A Method for removing hydrogen fluoride from mixtures comprising aromatic ketones
06/19/1991CA2069630A1 Catalytic method to produce hydroxy substituted arylophenones
06/18/1991US5025036 Catechol carboxylic acids
06/18/1991US5025030 Fungicides
06/18/1991CA1284932C Biological and analytical uses of phenalenone and benzphenalenone compounds
06/15/1991CA2032176A1 Alkylamino- and alkylaminoalkyl diarylketones, a process for their preparation and their use as medicaments
06/13/1991WO1991008188A1 Process for the preparation of 4-phenylquinol
06/12/1991EP0431955A2 3-Amino-2-hydroxybornane derivatives, asymmetric Michael reaction using the same, and process for preparing optically active muscone utilizing Michael reaction
06/12/1991EP0431869A2 Method for removing hydrogen fluoride from mixtures comprising aromatic ketones
06/12/1991EP0431612A1 Purification of halogenated aromatic sulfones or ketones
06/12/1991EP0431328A2 Fungicides
06/12/1991EP0431241A1 Process for the preparation of 2-hydroxy-4-(hydroxyalkoxy)-benzophenone
06/12/1991EP0179788B1 Pesticides
06/12/1991CA2026937A1 Oxidation of polyoxypropylene glycols
06/11/1991US5023390 Acylation of 2,4-dimethylisobutyrophenone; hydrogenation, dehydrogenation, cyclization
06/11/1991US5023363 Antiinflammatory agent, antiallergens, skin disorders, vision defects
06/11/1991US5023275 S-substituted beta-thioacrylamide biocides and fungicides
06/09/1991CA2023862A1 Purification of halogenated aromatic sulfones or ketones
06/05/1991EP0430484A2 Ketone derivatives of polyoxypropylene glycols
06/05/1991EP0430434A2 Process for the preparation of fluoroaromatic and fluoroheteroaromatic compounds
06/05/1991EP0430164A2 Process for preparation of 2-substituted-1,4-naphthoquinone
06/05/1991EP0429902A1 1,1-Dialkoxy-2-oxo-6-aryl-3,5-alkadienes
06/05/1991EP0429618A1 Reactive compounds containing perfluorocyclobutane rings
06/05/1991CN1012733B Process for the preparation therapeutic agents and their use
06/04/1991US5021607 Titanium containing silicate catalyst
06/04/1991US5021602 Monomers for condensation polymers
06/04/1991US5021414 Phenol derivatives
06/04/1991US5021184 Adamantane derivatives, compositions of matter containing same, processes for preparing said adamantane derivatives and said compositions, and organoleptic and deodorancy uses of said adamantane derivatives and said compositions
06/04/1991CA1284654C ¬4.2.0|bicyclooctane derivatives with valuable therapeutic properties
06/04/1991CA1284653C Instant adhesive composition utilizing calixarene accelerators