Patents
Patents for C07C 39 - Compounds having at least one hydroxy or o-metal group bound to a carbon atom of a six-membered aromatic ring (10,875)
12/1992
12/23/1992EP0519084A1 Process for producing simultaneously an aromatic hydroxy compound and a carbonyl compound
12/22/1992CA1311770C Process for orthochlorophenol chlorination
12/16/1992EP0518441A1 Process for the preparation of a phenol
12/16/1992EP0518440A1 Process for the preparation of a phenol
12/16/1992EP0518387A2 Method and composition providing enhanced chemiluminescence from 1,2-dioxetanes
12/15/1992US5171896 Alkylphenol synthesis using acid-modified inorganic clay catalysts
12/15/1992US5171869 High strength, heat resistance
12/15/1992US5171330 Compositions of refinery hydrocarbons endowed with improved fluidity at low temperatures containing methacyclophanes
12/15/1992CA2071108A1 Process for the preparation of a phenol
12/15/1992CA1311500C Alkylation of organic aromatic compounds
12/15/1992CA1311498C Process for preparing high-purity bisphenol a
12/08/1992US5169995 Inhibited 141b
12/08/1992US5169993 Cyclohexenol derivatives
12/08/1992US5169992 One step; reacting phenol with acetone
12/08/1992US5169991 Macrocyclic condensate of 1,2,3-trihydroxybenzene with an aldehyde; anti-wear or anti-corrosion additives in oils and greases
12/08/1992US5169990 Preparation of 9,9-bis-(4-hydroxyphenyl)-fluorene
12/07/1992CA2044035A1 Phosphorus-containing alcaline or alcaline-earth phenate with excess base, and lubricant compositions holding said phenate
12/02/1992EP0516082A2 Gingerol and gingerdiol derivatives as hypocholesterolemic and antiatherosclerotic agents
12/02/1992EP0515589A1 Manufacture of 2,6-hydroxynaphthoic acid
12/02/1992CN1066648A Purifying bisphenol a solvent by chemical extraction
12/01/1992CA2069548A1 Gingerol and gingerdiol derivatives as hypocholesterolemic and antiatherosclerotic agents
12/01/1992CA2067029A1 Purification of 3,5-xylenol
12/01/1992CA1310974C Alkane and alkene derivatives and their preparation and use
11/1992
11/30/1992WO1992021660A1 Tricyclic polyhydroxylic tyrosine kinase inhibitors
11/30/1992CA2108889A1 Tricyclic polyhydroxylic tyrosine kinase inhibitors
11/26/1992WO1992020643A1 Novel bi-aromatic compounds derived from a salicilic pattern, method of preparation and use in human and veterinary medecine and in cosmetics
11/26/1992WO1992020331A1 Receptor ligands
11/25/1992EP0514867A1 Charge control agent and toner for developing electrostatic images
11/24/1992US5166365 Chemical intermediates for polyimides or polyesterimides for polymers used in semiconductors
11/24/1992CA1310665C Process for dearylation of alkylenebisphenols and alkyltrisphenols
11/19/1992EP0514264A1 Biaromatic compounds derived from compounds having a salicylic configuration, their preparation process and their use in human and veterinary medicine and in cosmetics
11/19/1992EP0513619A2 Compositions suited as stabilizersystems for polymers
11/18/1992CN1066263A 2,6-dimethyl-phenol and prepn. method
11/17/1992US5164502 Preparation of fluorohalophenols and N-acylfluorohaloanilines
11/15/1992CA2068374A1 Mixtures suitable for stabilizing polymers
11/12/1992WO1992019748A1 Herpesvirus particles and vaccine
11/11/1992EP0512908A2 Method of producing a phenolic binder
11/10/1992US5162571 Brain and cardiovascular disorders, bronchodilators, ontiallergens, antianaphylactic agents, antiallergens
11/10/1992US5162279 Oxidation Catalysts
11/04/1992EP0511947A1 Process for the purification of 2,6-diisopropyl phenol
11/04/1992CN1065857A Process for synthesis of photoactive 1, 1'-binaphthyl-2, 2'-diol
11/03/1992US5160497 Phenol production process
11/03/1992US5160496 With hydrogen peroxide, catalytic bridged clay
10/1992
10/28/1992EP0511036A1 Synthesis intermediaries with an hexanic ring, and process for their preparation
10/28/1992EP0510721A2 Method and compositions providing enhanced chemiluminescence from 1,2-dioxetanes
10/28/1992EP0510672A1 Positive type photoresist composition
10/28/1992CN1065654A Preparing method for bisphenol a
10/27/1992US5159082 Process for producing aromatic compound
10/27/1992US5158977 Antioxidant; preventive treatment of cutaneous inflammations and allergies
10/20/1992US5157165 Method for preparing highly pure 1,1,2,2-tetrakis(4-hydroxy-3,5-dimethylphenyl)ethane
10/20/1992US5157164 Polymerizable antioxidant composition
10/20/1992CA1309110C Hydrolysis of halo- and alkyl-substituted phenols
10/14/1992EP0508835A2 Method of preparing alkylbiphenyls
10/07/1992EP0506760A1 Catalytic method to produce hydroxy substituted arylophenones
10/06/1992US5153344 Vitamin E intermediates and a process for their manufacture and conversion into vitamin E
10/01/1992DE4127450A1 New liq. crystal and cyclohexyl-cyclohexyl di:fluoro:benzene and phenol cpds.
09/1992
09/29/1992US5151531 Phenols for polycarbonates
09/29/1992CA1308122C Process for producing hydroxybenzenes
09/23/1992EP0505146A1 Process for purifying phenol
09/22/1992USRE34076 Alkylation catalysis of aromatic alcohol with alkylating agent in presence of heteropoly acid and water
09/22/1992US5149888 Hydroxylation of phenols/phenol ethers
09/22/1992US5149887 Separation of alkyl-substituted phenolic isomers with barium-potassium exchanged zeolitic adsorbent
09/22/1992US5149886 Condensation of fluorene and phenol in presence of gsaeous hyd hydrogen chloride and beta-mercapto-propionic acid catalyst; forming adduct with nitrile; optional dissociation
09/22/1992US5149858 Reacting with chlorine gas in presence of organic cation catalysts
09/15/1992US5147880 Estrogenic and antiestrogenic activity
09/15/1992US5147628 Process for producing alkyltetrahydroanthrahydroquinones and working solutions containing them for producing hydrogen peroxide by the anthraquinone process
09/09/1992EP0502253A1 Process for the preparation of 9,9-bis-(4-hydroxyphenyl)fluorene
09/09/1992EP0502252A1 Process for the preparation of 9,9-bis-(4-hydroxyphenyl)fluorene
09/08/1992US5146010 Pyrolysis of naturally occurring cresylic acid mixtures
09/08/1992US5146008 Dehydrogenation of corresponding cyclohexyl derivatives in presence of palladium supported catalyst
09/08/1992US5146006 Condensation of dialdehyde and phenolic compound
09/03/1992WO1992014691A1 Catalytic hydroxylation of phenol
09/02/1992EP0288582B1 Process for producing alkyl group-substituted aromatic hydrocarbons
09/01/1992CA1306992C Clathrate compound and a method of producing the same
08/1992
08/26/1992EP0499922A1 Process for the purification of Bisphenols
08/25/1992US5142056 Human immunodeficiency virus protease inhibitor
08/25/1992CA1306758C Oxidation and subsequent decomposition of dihydroperoxide
08/20/1992WO1992013928A1 Liquid-crystal compounds
08/18/1992CA1306469C Process for producing bisphenol a
08/13/1992DE4104126A1 New tri:fluoroalkyl and alkenyl ether(s) - useful as components of liq. crystal media for electro=optical displays
08/12/1992EP0497987A1 Epoxy resin composition
08/11/1992US5138104 Reacting a phenol with a ketone peroxide in the presence of compound with at least one phosphorus-sulfur bond
08/06/1992WO1992001675A3 Substituted bicyclic bis-aryl compounds exhibiting selective leukotriene b4 antagonist activity, their preparation and use in pharmaceutical compositions
08/05/1992CN1017704B Preparation method of high pureness 2,2-bi(4-hydroxyphenyl) propane
08/04/1992US5136110 Process for the preparation of bisphenols
07/1992
07/29/1992EP0496548A1 Carbacyclin analogs
07/28/1992US5134111 Naphthalene derivative
07/28/1992CA1305669C Method for inhibiting aging
07/23/1992WO1992012114A1 Process for producing simultaneously aromatic hydroxy and carbonyl compounds
07/23/1992CA2056039A1 Carbacyclin analogs
07/21/1992US5132468 C-alkylation of hydroquinone or monoethers thereof
07/21/1992US5131984 Vaporization, withdrawal, condensation, return; steam generation
07/15/1992EP0494665A1 A method for the production of 6,12-dihydro-6-hydroxy-cannabidiol and the use thereof for the production of transdelta-9-tetrahydrocannabinol
07/15/1992EP0494419A2 Process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid
07/15/1992CN1062720A Making method of polycarbonate level bisphenol a
07/14/1992US5130356 Addition of small amounts of diphenoquinone or diphenohydroquinone derivatives; compact disc substrates
07/14/1992US5130119 Method of using fluorosubstituted benzene derivatives in f-nmr imaging
07/14/1992CA1305187C Process for preparing bisphenol a
07/14/1992CA1305186C Process for preparing bisphenol a
07/14/1992CA1305185C Process for preparing bisphenol a
1 ... 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 ... 109