Patents
Patents for C07C 45 - Preparation of compounds having co groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds (38,929)
10/1990
10/31/1990EP0233192B1 Chain-extended poly (aryl ether ketones)
10/31/1990CN1010179B Process for producing composite oxide catalyst
10/30/1990US4967014 Reacting methanol with formaldehyde to yield methylal; oxidation
10/30/1990US4967013 Preparation of hydroxybenzaldehydes
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
10/30/1990US4966694 Separation agent comprising acyl- or carbamoyl-substituted polysaccharide
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
10/30/1990CA1275655C Process for the preparation of 2,2-dimethylpropanediol-1,3
10/25/1990DE3921167C1 Chloro:phenyl di:methyl pentenone prepn. - by reacting melt of chloro:benzaldehyde with mixt. of di:methyl:butanone, aq. sodium cpd. and methanol
10/24/1990EP0393895A2 Silicometallate molecular sieves and their use as catalysts in oxidation of alkanes
10/24/1990EP0393742A1 Process for the preparation of alkyl substituted tetralins and indanes
10/24/1990EP0393668A2 Method of preparation of benzaldehyde dialkyl acetals and new benzaldehyde dialkyl acetals
10/24/1990CN1046293A Catalyst recovery in production of alcohols
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
10/23/1990US4965274 Quinolyl methoxy compounds, processes for preparation thereof and pharmaceutical composition comprising the same
10/19/1990WO1990012645A1 Basic mixed oxide
10/18/1990WO1990012006A1 Substituted 1-[3-(heteroarylmethoxy)phenyl]alkanols and related compounds in the treatment of asthma, arthritis and related diseases
10/18/1990WO1990011990A1 Process for reducing propenyl ether concentration in hydroxy-functional polyether compounds
10/18/1990WO1990011989A1 Preparation of aldehydes
10/18/1990WO1990011988A1 Substituted 1-phenylnaphthalenes
10/18/1990DE4004031C1 Chlorophenyl-di:methyl-pentanone prepn. - by reacting di:methyl butanone with chloro:benzaldehyde in presence of aq. sodium cpd. and xylene, then raney nickel
10/17/1990EP0392680A2 Aromatic compounds
10/17/1990EP0392579A2 Improvements in and relating to aldol condensation
10/17/1990EP0392525A1 Hydroxy Aromatic Ketones
10/17/1990EP0392258A2 Aromatic aldehydes, their derivatives and their use as ingredients in perfumes, herbicides and fungicides
10/17/1990CN1046163A Interphenylene 7-oxabicycloheptyl substituted heterocyclic amide prostaglandin analogs useful in treatment of thrombotic and vasospastic disease
10/17/1990CN1010011B Improved method using transition metal complex catalyst
10/17/1990CN1010010B Olefin oxidation catalyst system
10/17/1990CA2013805A1 Silicometallate molecular sieves and their use as catalysts in oxidation of alkanes
10/16/1990US4963590 Enzyme inhibitor for treating parkinson's disease along with dopa;potentiation
10/16/1990US4963480 Process for the preparation of gamma-irone
10/16/1990CA1275289C N-aryl-3-aryl-4,5-dihydro-lh-pyrazole-1-carboxamides and methods of their production
10/10/1990EP0391652A1 Interphenylène 7-oxabicycloheptyl substituted heterocyclic amide prostaglandin analogs useful in the treatment of thrombotic and vasopastic disease
10/10/1990EP0391650A2 Catalyst recovery in the production of alcohols
10/10/1990EP0391624A1 Substituted 1-[3-heteroarylmethoxy)phenyl] alkanols and related compounds in the treatment of asthma, arthritis and related diseases
10/10/1990EP0391311A2 1-Alkoxy-1-azolyl methyl oxiranes, process for their preparation and their use as herbicides
10/10/1990CA2013432A1 Quaternary ammonium compounds having muscle relaxation activity
10/09/1990US4962235 Process for producing high purity formaldehyde
10/09/1990US4962215 Process of preparation of enolic compounds and new products obtained
10/09/1990US4962214 Copper aminotroponeimine complex catalysts
10/09/1990US4962115 Stimulate motility of gastrointestinal system
10/09/1990US4961855 Dehydration of organic oxygenates
10/09/1990CA1275109A1 Copolymerizable photoinitiators
10/09/1990CA1275095A1 Carbacyclins, processes for their preparation and their use as pharmaceuticals
10/09/1990CA1275093A1 Carbacyclins, processes for their manufacture and their use as pharmaceuticals
10/06/1990CA2012085A1 1-alkoxy-1-azolylmethyloxiranes, the preparation thereof and the use thereof as crop protection agents
10/04/1990CA2013674A1 Catalyst recovery in the production of alcohols
10/03/1990EP0390683A1 Benzyl-cyclanones derivatives, process for their preparation and cosmetic and pharmaceutical compositions containing them
10/03/1990EP0390681A1 Cosmetic and pharmaceutical compositions containing lipophile derivatives of benzylidene-camphor and lipophile benzylidene-camphor derivatives
10/03/1990EP0390496A1 Intermediates useful for the synthesis of delphinidin chloride
10/03/1990EP0390021A2 Process for the preparation of benzylketones
10/03/1990EP0389617A1 Treatment of rhodium catalysts.
10/03/1990CN1045769A Substituted biphenyls
10/03/1990CN1009802B Stabilized magnesia and its use in catalytic processes
10/02/1990US4960954 Eliminating alcohol from acetal or ketal using phosphate or zeolite catalyst
10/02/1990US4960949 Low pressure rhodium catalyzed hydroformylation of olefins
10/02/1990US4960948 Oxidation of terminal hydroxides with a hypochlorite
10/02/1990US4960947 Thermal decomposition with oxygen and activated carbon
10/02/1990US4960946 Sandalwood odorants
10/02/1990US4960945 As monomers for heat rsistance polymers
10/02/1990US4960944 Tetralin oxidation
10/02/1990US4960943 Process for the preparation of phenylketones etherified in the 4-position
10/02/1990US4960921 Catalysts for ammoxidation, oxydehydrogenation and oxidation
10/02/1990US4960914 Method for the preparation of naphthoquinone
10/02/1990US4960884 Pesticidal 2-fluoroethyl ethers
10/02/1990US4960798 Methods for the treatment of angina
10/02/1990US4960782 Triazole antifungal agents
10/02/1990US4960758 Novel β-D-phenylthioxylosides, their method of preparation and their use as pharmaceuticals
10/02/1990US4960754 3,7-dimethyl-6,7-dioxo-1,3-octadiene derivatives and organoleptic uses thereof
10/02/1990US4960519 Membrane process for separation of organic liquids
10/01/1990WO1990011997A2 Inhibitors of mono-amine oxidase, process for their preparation, and their use in therapeutics.
10/01/1990CA2050590A1 Monoamine oxidase inhibitors and their preparation process and their use in therapy
09/1990
09/30/1990CA2013557A1 Cosmetic and pharmaceutical compositions containing lipophilic benzylidene camphor derivatives and new lipophilic benzylidene camphor derivatives
09/29/1990CA2013289A1 Purified hydroxy-functional polyether compounds
09/27/1990DE4007923A1 Di:substd. benzaldehyde prepn. - by liq. phase oxidn. of corresp. benzyl alcohol using hypohalite and morpholine, pyrrolidine or piperidine deriv.
09/26/1990EP0388977A2 Polycyclic amines useful as cerebrovascular agents
09/26/1990EP0388732A2 Pentasubstituted phenyls
09/26/1990EP0330036B1 Process for the preparation of p-hydroxy-benzaldehydes
09/26/1990CN1045576A Pesticides
09/25/1990US4959503 Diarylalkanoids having activity as lipoxygenase inhibitors
09/25/1990US4959494 Oxidation of organic compounds with pyrochlore catalysts
09/25/1990US4959448 Liquid crystalline side-chain polyesters prepared by polycondensation reactions
09/25/1990US4959424 Amination, dehalogenation, copper catalyst
09/25/1990CA1274546A1 Process for production of methyl isobutyl ketone
09/25/1990CA1274535A1 Method for producing alkenylthiophenols and their esters
09/23/1990CA2012866A1 Polycyclic amines useful as cerebrovascular agents
09/22/1990CA2012884A1 Fk-506 c -c process intermediates
09/22/1990CA2012572A1 Substituted biphenyls
09/20/1990WO1990010613A1 Process for the manufacture of 1,4-bis(4-phenoxybenzoyl)benzene with certain metal-containing catalysts
09/20/1990DE4006921A1 Di:fluoro-methylene cpds. - useful as low-viscosity components of liq. crystalline media for liq. crystal and electro=optical display elements
09/20/1990DE3925437C1 Bi:aryl cpds. prepn. - by coupling two halo-aromatic cpds.
09/19/1990EP0388322A1 Preparation of 4-substituted aryl olefins
09/19/1990EP0387790A2 Novel monoterpenes
09/19/1990EP0387612A2 Process for the preparation of beta-hydroxyketones
09/18/1990US4957912 7 acylamidocarbacephem antibacterial agents
09/18/1990US4957595 Separation of 3-methyl-2-butanone from formic acid by extractive distillation with sulfolane