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)
03/1995
03/07/1995US5395915 Method for simultaneous preparation of bisphenol F and novolak phenol resins
03/07/1995US5395857 Two layer fixed bed, sulfonic acid resin particles with little modification in one layer, in the other the resin is crosslinked and acid groups are partially neutralized with mercaptoethanolamine
03/07/1995US5395766 Optically active trans-2-aryl-1-cyclohexanol derivatives and a process for producing the compounds
03/01/1995CN1099376A Use of partial acetone conversion for capacity increase and quality/yield improvement in the bisphenol-a reaction
02/1995
02/28/1995US5393776 Tocotrienol analogs in the treatment of hypercholesterolemia and hyperlipidemia
02/23/1995WO1995005358A1 Use of phenols and phenol derivates as medicaments with fibrinogen-reducing effect
02/23/1995CA2169187A1 Use of phenols and phenol derivatives as pharmaceutical agents with a fibrinogen-lowering action
02/22/1995EP0639553A1 Catalyst and method for producing phenols
02/21/1995US5391806 Heat-sensitive recording materials and phenol compounds
02/16/1995WO1995004717A1 Process for the preparation of cumene hydroperoxide
02/16/1995WO1995004582A1 Recovery of phenol from low concentrations with sodium sulfate
02/16/1995CA2168585A1 Process for preparing cumene hydroperoxide
02/15/1995EP0638536A1 Process for producing phenols
02/15/1995EP0638057A1 Recovering values from heavy ends in bisphenol-a production
02/15/1995CN1027638C Method for preparation 2,2-dipropyl (4-hydroxy-phenyl) propane with resin
02/14/1995US5389293 Optically active benzene derivatives, process for producing the same and liquid-crystalline composition containing said derivatives as liquid-crystalline compound and light switching elements
02/08/1995EP0637294A1 Polymerization inhibitor for vinyl aromatics
02/07/1995US5387725 Chlorinating compounds having acidic protons with a perchloro-alkane and aqueous base in the presence of a tetraalkyl-ammonium hydroxide phase transfer catalyst
01/1995
01/31/1995US5386017 Can be converted to stable aryl substituted 1,2-dioxetanes which decompose when activated to produce light and carbonyl compounds
01/31/1995CA1334170C Methods of treating tumors with compositions of catecholic butanes
01/26/1995DE4324778A1 Process for the preparation of bisphenol A from polycarbonate
01/25/1995EP0635470A1 Process for producing P,P'-biphenol
01/25/1995EP0635469A1 2,4,5-Trihalogeno-stilbenes, process for their preparation and their use
01/25/1995EP0628022A4 Process for the preparation of polyisobutyl hydroxyaromatics.
01/25/1995CN1097728A Process for preparing high antimer pure (R)-(+)-and(S)-(-)-1,1-bi-2-naphthol
01/24/1995CA2128658A1 2,4,5-trihalostilbenes and a process for the preparation thereof
01/19/1995WO1995002062A1 Process for producing 4-hydroxy-cinnamyl alcohols
01/17/1995US5382713 Polyphenolic compounds from cyclohexanenorbornane cyclohexane compounds
01/17/1995US5382710 Aromatic polyhydroxy compounds and process for the preparation thereof
01/17/1995US5382708 Purification of bisphenol A for improved color in polycarbonates
01/17/1995CA2017118C Use of chlorites as oxidants in hair coloring
01/05/1995WO1995000480A1 Novel intermediates for the preparation of antihistaminic 4-diphenylmethyl/diphenylmethoxy piperidine derivatives
01/05/1995WO1995000466A1 Dibenzocyclooctane compound and retrovirus infection remedy containing the same as active ingredient
01/05/1995WO1995000465A1 Novel clathrate compound, process for producing the same, and antifouling agent
01/05/1995DE4320828A1 Colour-photographic recording material
01/04/1995EP0632003A1 Novel phenol compounds containing methoxymethyl group or hydroxymethyl group
01/04/1995EP0628021A4 Production of aryl ethanols.
01/04/1995EP0625971A4 Uv light stabilizing, antioxidant and colorant compounds.
01/03/1995US5378791 Phenolic resins
12/1994
12/28/1994EP0631183A1 Color photographic recording material
12/28/1994EP0630878A1 Process for the production of bisphenol
12/28/1994CN1027164C Process for preparing disphenol A
12/22/1994WO1994029255A1 Aromatic acetylcholinesterase inhibitors
12/22/1994WO1994029020A1 Catalytic materials comprising layered clay macrospheres
12/22/1994WO1994028886A1 Use of natural products and related synthetic compounds for the treatment of cardiovascular disease
12/22/1994CA2164317A1 Use of natural products and related synthetic compounds for the treatment of cardiovascular disease
12/22/1994CA2161700A1 Catalytic materials comprising layered clay macrospheres
12/21/1994CN1027064C Naphthalene derivatives
12/14/1994EP0628022A1 Process for the preparation of polyisobutyl hydroxyaromatics
12/14/1994EP0628021A1 Production of aryl ethanols
12/14/1994EP0628019A1 Polyfluoroalkylation of aromatic compounds.
12/14/1994CN1096287A Stabilization of color in production of para-cumylphenol using hypophosphorous acid
12/13/1994CA1333488C Process for overbased petroleum oxidate
12/08/1994WO1994028035A1 Polymer alkylation of hydroxyaromatic compounds
12/08/1994CA2161418A1 Polymer alkylation of hydroxyaromatic compounds
12/07/1994EP0627400A1 Aromatic acetylcholinesterase inhibitors
12/07/1994EP0627397A1 Optically active 1-phenyl-2-substituted propane derivatives and methods of producing the same
12/06/1994USRE34805 Benzonaphthalene derivatives and their use in therapeutic and cosmetic compositions
12/06/1994US5371310 Process for preparing short chain alkyl aromatic compounds
12/06/1994US5371302 Process for preparing prilled bisphenol A
11/1994
11/30/1994EP0625971A1 Uv light stabilizing, antioxidant and colorant compounds
11/30/1994CN1026782C Method for preparation of phenol and recovery of propylene
11/30/1994CN1026781C Preparation of phenol
11/23/1994EP0625497A1 Bisphenols and polycarbonates thereof
11/23/1994EP0625209A1 Method for assaying the sod activity by using a self-oxidizable compound necessary for its implementation, self-oxidizable compounds and preparation thereof.
11/23/1994CN1026689C Procede pour deshydrochlorer les 1,1-bis(r-phenyl)-2,2,2-trichloroethanes
11/22/1994US5366982 Substituted bicyclic bis-aryl compounds exhibiting selective leukotriene B4 antagonist activity, their preparation and use in pharmaceutical compositions
11/22/1994US5366843 Coated substrate utilizing composition including selected phenolic derivatives of 4-(4-hydroxyphenyl)-cyclohexanone as sensitivity enhancers
11/15/1994US5364983 Reaction of hydroxyaldehyde with hydrogen peroxide in the presence of nitrile
11/15/1994US5364982 Organic tungsten and/or molybdenum heteropolyacid catalyst; selective reaction with hydrogen peroxide; by-product inhibition
11/15/1994US5364978 Process for removal of tar in a phenol preparation process
11/15/1994US5364977 Clathrate compounds comprising tetrakisphenols as host
11/09/1994EP0623340A1 Use of hydroxy or dihydroxynaphthalene in the preparation of a cosmetic or dermatological composition for skin whitening
11/08/1994US5362900 Process and composition
11/02/1994CN1094391A Preparation for tertiary butyl phenol series products
11/01/1994US5360924 Process for preparing aromatic olefins
10/1994
10/27/1994WO1994024079A1 Process for the preparation of bisphenols
10/26/1994EP0621252A1 Twolayer ionexchanger for bisphenol-A synthesis
10/26/1994CN1094025A Method of phenol extraction from phenol tar
10/26/1994CN1093941A Methods for the reductive decomposition of chemical contaminants
10/20/1994DE4312037A1 Process for cleaving polycarbonates
10/19/1994EP0620041A1 Ion exchange resin for multiple regeneration with a low alkylmercaptan groups content
10/18/1994US5356976 Stabilize organic materials against degradation by oxidation, heat or actinic light
10/18/1994US5356542 Mixtures of organic ammonium salts and their use as flow accelerators
10/12/1994EP0619288A1 Stabilization of color in production of paracumylphenol
10/11/1994US5354913 Optically active phenol derivatives and preparation thereof
10/04/1994US5352845 Vitamin e
09/1994
09/28/1994EP0616993A1 Production of bisphenol-A
09/28/1994EP0590078A4 Synthetic crystalline zeolite, its synthesis and use
09/28/1994EP0561929B1 Process for the purification of monotertiary butyl hydroquinone
09/15/1994WO1994020445A1 Recovering values from heavy ends in bisphenol-a production
09/15/1994CA2134329A1 Recovering values from heavy ends in bisphenol-a production
09/14/1994CN1025915C Preparation of 2,6-dimethyl phenol
09/13/1994US5346808 Positive image formation utilizing o-quinonediazide composition including selected phenolic derivatives of 4-(4-hydroxyphenyl)-cyclohexanone
09/06/1994US5344999 Monomers with high glass transition temperatures and with ductility
09/06/1994US5344963 Process for the production of substituted vinylbenzenes
09/06/1994US5344528 Recovery of phenol from low concentrations with sodium sulfate
09/01/1994WO1994019302A1 A novel process for the production of high purity and ultrapure bisphenol-a
09/01/1994WO1994019079A1 A multiple stage suspended reactive stripping process and apparatus
09/01/1994WO1994012556A3 Thermosettable composition containing discotic mesogenic moieties
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