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) |
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09/17/1998 | DE19709797A1 Synergistische Mischungen von Alkylphenolformaldehydharzen mit oxalkylierten Aminen als Asphalten-Dispergatoren Synergistic mixtures of alkylphenol formaldehyde resins with alkoxylated amines as asphaltene dispersants |
09/16/1998 | EP0864566A2 Process for preparation of hydroxynaphthalenes |
09/16/1998 | CN1193313A Propynyl or dienyl diaromatic compounds |
09/16/1998 | CN1193007A Process for synthesizing mixed tertbutyl-phenol |
09/15/1998 | US5807656 Polyhydroxy compound and a positive photoresist containing the same |
09/11/1998 | WO1998039279A1 Novel 1,3-diphenylpropane derivatives having inhibitory activity against tyrosinase and process for preparation thereof |
09/09/1998 | EP0863195A1 Phenol tar cracking process |
09/09/1998 | EP0863121A1 PROCESS FOR PREPARING m-HYDROXYALKYLBENZENE |
09/09/1998 | EP0862544A1 Process for purifying a 2,6-dialkylphenol |
09/09/1998 | CN1039712C Process for prepn. of cumene hydroperoxide |
09/09/1998 | CN1039707C Method for prepn. of P-nonylphenyl |
09/02/1998 | EP0861688A1 Process for the hydroxylation of aromatic hydrocarbons |
09/02/1998 | EP0426785B1 Compositions and methods for treating viral infections |
08/27/1998 | WO1998037046A1 PROCESS FOR THE MANUFACTURE OF TETRABROMOBISPHENOL-A WITH CO-PRODUCTION OF n-PROPYL BROMIDE |
08/27/1998 | WO1998019997A3 Dihydropyrones with improved antiviral activity |
08/26/1998 | EP0859812A1 Process for improving color of basic metal organic salts and stabilizing halogen-containing polymers therewith |
08/19/1998 | CN1190892A Pharmaceutical compositions, based on etheric oils obtained from plants for use in the human and veterinary medical field |
08/13/1998 | WO1998034894A2 Hydroperoxide decomposition process |
08/13/1998 | WO1998030528A3 Production of racemic 2-(6-methoxy-2-naphthyl)propionic acid or precursors thereof |
08/13/1998 | CA2279493A1 Hydroperoxide decomposition process |
08/12/1998 | EP0857710A1 Method for determination of salt stoichiometry |
08/11/1998 | US5792886 Methylation of 6-bromo-2-naphthol with methyl bromide to 2-bromo-6-methoxynaphthalene; forming grignard; reacting with a lower alkyl 2-bromopropionate |
08/11/1998 | US5792585 Mixture containing low molecular weight novolak and quinonediazide sensitizer; sensitivity, resolution, heat resistance |
08/05/1998 | EP0856505A1 Process for the selective preparation of 2,2'-bis(4-hydroxyphenyl)propanes |
08/05/1998 | EP0856504A1 Process for producing 3,3',5,5'-tetra-t-butylbiphenol |
08/04/1998 | US5789628 Production of 2,2'-bis (4-hydroxyphenyl) propanes in the presence of organopolysiloxanes containing sulphonate and mercapto groups |
07/29/1998 | EP0854850A1 Low metal ion containing 4,4'-(1-(4-(1-(4-hydroxyphenyl)-1-methylethyl)phenyl)ethylidene)bisphenol and photoresist compositions therefrom |
07/29/1998 | EP0637294B1 Polymerization inhibitor for vinyl aromatics |
07/28/1998 | US5786522 Manufacture of bisphenol-A |
07/28/1998 | US5785823 Process for the purification of bisphenol |
07/23/1998 | WO1998031651A1 Process for preparing bis-(4-hydroxyaryl-)-alkanes |
07/23/1998 | DE19701278A1 Verfahren zur Herstellung von Bis-(4-hydroxyaryl)-alkanen Alkanes process for the preparation of bis (4-hydroxyaryl) |
07/22/1998 | EP0853649A1 Treatment of transition metal containing pigments with chelating or silylating compounds |
07/22/1998 | EP0853647A1 Fluorinated xanthene derivatives |
07/21/1998 | US5783733 Process for manufacture of bisphenol |
07/21/1998 | US5783355 Mixture of a 1,2-quinonediazide compound, alkali solubleand an aromatic polyhydroyl compound |
07/16/1998 | WO1998030528A2 Production of racemic 2-(6-methoxy-2-naphthyl)propionic acid or precursors thereof |
07/16/1998 | CA2276292A1 Production of racemic 2-(6-methoxy-2-naphthyl)propionic acid or precursors thereof |
07/15/1998 | EP0852486A2 Antiplaque oral composition |
07/14/1998 | US5780692 Catalytic asymmetric hydrogenation of a benzophenone; simplification |
07/09/1998 | WO1998029385A1 Recovery of anhydrous alkanesulphonic acids |
07/08/1998 | EP0781263A4 Reduced methyl bromide process for making tetrabromobisphenol-a |
07/08/1998 | CN1039023C Polycarbonate film |
07/07/1998 | US5777180 Reacting ketone and phenol in presence of an ion exchange resin catalyst and mercaptan compound |
07/07/1998 | US5777007 Brominated p-cumylphenol flame-retardants for resin composition |
07/02/1998 | WO1998028228A1 Trihalomethane adsorbent and process for producing the same |
07/01/1998 | EP0850946A1 Cyclic phosphinic acid derivatives as stabilizers |
06/25/1998 | WO1998027039A1 Improved method for producing phenol and acetone from cumol |
06/24/1998 | CN1185427A Process for preparing 1, 1, 1, -tri(4-hydroxyphenyl) ethane |
06/24/1998 | CN1185426A Process for preparing alkylphenol |
06/24/1998 | CA2225482A1 Cyclic phosphinic acid derivatives as stabilisers |
06/23/1998 | US5770763 Polyarylcyclobutenes derived from 3,6 functionalized mono and dicyclobutabenzene |
06/18/1998 | DE19755026A1 Verbessertes Verfahren zur Herstellung von Phenol und Aceton aus Cumol An improved process for producing phenol and acetone from cumene |
06/17/1998 | EP0847975A1 Method for preparing and purifying 1,1,1-tris(4-hydroxphenyl)ethane |
06/10/1998 | EP0729447A4 Method of making 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane |
06/10/1998 | EP0712392B1 Process for the preparation of cumene hydroperoxide |
06/09/1998 | US5763699 Process for preparing 2,2-diphenylhexafluoropropanes |
06/09/1998 | US5763686 Method for preparing 1,1,1-tris(4-hydroxyphenyl)ethane |
06/04/1998 | WO1998023568A1 Cyclopentylene compounds and intermediates therefor, epoxy resin composition, molding material, and resin-sealed electronic device |
06/02/1998 | US5759942 Ion exchange resin catalyst for the synthesis of bisphenols and the process for preparing the same |
05/28/1998 | WO1998022419A1 Method for preparing a 4-hydroxybenzaldehyde and derivatives |
05/28/1998 | WO1998022418A1 Substituted phenols and thiophenols useful as antioxidant agents |
05/26/1998 | US5756861 Method for production for phenol and its derivatives |
05/26/1998 | US5756860 Melting mixture of bisphenol compounds, cooling to solidify |
05/26/1998 | US5756859 Heating a mixture of phenol and 2,4-pentanedione in molar ratio 6:1 under acidic conditions in presence of mercapto compound as promoter to produce a mixture of bisphenol a and product, separation by solvent extraction, decoloration |
05/26/1998 | US5756851 Debromination; separation; methylation; etherification; contacting 2-bromo-6-methoxynaphthalene with methyl vinyl ketone; hydrogenation |
05/26/1998 | US5756834 Process for preparing fluorinated aromatics |
05/26/1998 | US5756781 Method for making tris(hydroxyphenyl) compounds using ion exchange |
05/20/1998 | CN1182079A Process for producing 1, 3 -di -(2 -hydroperoxy -2 -propyl) benzene |
05/20/1998 | CN1182072A Method for transport and storage of phenol |
05/20/1998 | CN1038395C Ion exchange resin catalyzer for syntehsising bisphenol and preparation thereof |
05/14/1998 | WO1998019997A2 Dihydropyrones with improved antiviral activity |
05/14/1998 | WO1998019660A1 Colorants for colouring keratin fibres |
05/14/1998 | CA2263429A1 Dihydropyrones with improved antiviral activity |
05/12/1998 | US5750775 Alkaline ph for crystallization of complex |
05/12/1998 | US5750743 Method for preparing a solution of an alkali salt of anthrahydroquinone |
05/12/1998 | US5750577 Tetrameric calixarene for prophylaxis against cell infection by enveloped virus; side effect reduction, non drug-resistant |
05/12/1998 | CA2016951C Method for preparation of taxol |
05/07/1998 | DE19746627A1 Blockage-free production of 1,3-di-(2-hydroperoxy-2-propyl)benzene |
05/07/1998 | DE19645539A1 Färbemittel zur Färbung von keratinischen Fasern Colorants for coloring keratin fibers |
05/06/1998 | EP0840170A1 Selected O-quinonediazide sulfonic acid esters of phenolic compounds |
05/06/1998 | EP0839798A2 Intermediates for preparating non-peptide retroviral protease inhibitors |
05/06/1998 | EP0801638A4 Process to produce tetrabromobisphenol with the reduced formation of alkyl bromide by-products |
05/06/1998 | EP0790859B1 Device for bringing pourable solids into contact with gases or liquids |
05/06/1998 | EP0587776B1 Use of compositions and methods for inhibiting browning in foods and beverages |
04/30/1998 | WO1998017616A1 Production of nabumetone or precursors thereof |
04/30/1998 | WO1998017615A1 PROCESS FOR PREPARING m-HYDROXYALKYLBENZENE |
04/30/1998 | CA2265751A1 Production of nabumetone or precursors thereof |
04/29/1998 | EP0665836B1 Bifunctional intermediates for use in the manufacture of liquid crystals |
04/29/1998 | CN1180063A Fluoroalkyl substituted hydrochinone and its synthesis |
04/28/1998 | US5744653 Method for preparing 1,3-dihydroxy-4,6-bis(α-methyl-α(4'-hydroxyphenyl)ethyl)benzene |
04/28/1998 | US5744624 Saponification, salt formation, from diester ) |
04/28/1998 | US5744623 Terpene-quinones with antitumour activity |
04/28/1998 | US5744617 Process for the preparation of substituted phenols |
04/21/1998 | US5741954 Controlled heating of mixture of ethylbenzenesulfonic acid isomers(rich in meta-isomer) in sulfuric acid, then steam distillation for removal of ethylbenzene and caustic fusion yields m-ethylphenol |
04/21/1998 | US5741821 Use of natural products and related synthetic compounds for the treatment of cardiovascular disease |
04/21/1998 | US5741438 Optically active biphenyl derivative, process for preparation thereof, liquid crystal composition containing the same as an effective component, and liquid crystal element using the same |
04/16/1998 | WO1998015514A1 Process for the hydroxylation of benzene |
04/15/1998 | EP0835274A1 Hydroxy-substituted ethynylated biphenyls |
04/15/1998 | CN1179144A Hydrochalcone derivatives, cosmetic compositions containing the same, and process for the preparation |