| 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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| 04/03/1991 | EP0420025A2 Process for the preparation of phenolic antioxidants |
| 04/03/1991 | EP0419631A1 A process for synthesising 9,9-bis(4-hydroxyphenyl) fluorene. |
| 04/02/1991 | US5004841 Para-substitutions with crystalline acidic mordenite zeolite alkylation catalysts |
| 04/02/1991 | US5004565 Method and compositions providing enhanced chemiluminescence from 1,2-dioxetanes |
| 03/27/1991 | EP0419045A1 Method for alkylation of phenols, and catalyst therefor |
| 03/27/1991 | EP0418648A1 4-Hydroxytetrahydropyran-2-ones as well as the corresponding dehydroxy carbon acid derivatives, salts and esters, process for their preparation, pharmaceutical preparations as well as precursors |
| 03/27/1991 | EP0418278A1 Process for the preparation of (arylethyl)hydroquinones and diesters thereof |
| 03/26/1991 | US5003115 Epoxidation of acetoxystyrene with a percarboxylic acid to produce acetoxyphenyl oxirane, hydrogenation followed by saponification |
| 03/26/1991 | US5003114 Catalysis with calcined germanozeosilite mfi zeolite; reacting with hydrogen peroxide |
| 03/26/1991 | US5003113 Acid Decomposition of Diisopropylnaphthalene Monohydroperoxide |
| 03/26/1991 | CA2024574A1 Phenolic antioxidant process |
| 03/21/1991 | WO1991003448A1 Selected block phenolic oligomers and their use in phenolic resin compositions and in radiation-sensitive resist compositions |
| 03/20/1991 | EP0417720A2 Process for preparing 2-chloro-4-fluorophenol |
| 03/19/1991 | US5001282 Method of treating diabetes mellitus with bisphenol derivatives |
| 03/19/1991 | US5001281 Isomerization of bis-phenols |
| 03/19/1991 | US5001280 Preparation of phenol by direct hydroxylation of benzene |
| 03/19/1991 | US5001276 Novel tetrahydronaphthalene and indane derivatives |
| 03/13/1991 | EP0289509B1 Basic metal salts having improved color and stability and vinyl halide polymers containing same |
| 03/07/1991 | DE4027385A1 Thermosetting bis:maleimide mouldings compsn. - contg. spirobiindan cpd. as comonomer which is di:alkenyloxy-tetra:methyl spirobiindan or isomer |
| 03/06/1991 | EP0415790A2 Naphthol-based epoxy resins, intermediates for the same, process for preparing the same, and epoxy resin compositions containing the same |
| 03/06/1991 | EP0415266A2 Radiation-sensitive positive resist composition |
| 03/05/1991 | US4997946 Process for the iodination of hydroxyaromatic and aminoaromatic compounds |
| 03/01/1991 | WO1991003227A1 Topical antiinflammatory compositions with minimal systemic absorption |
| 03/01/1991 | CA2064189A1 Topical antiinflammatory compositions with minimal systemic absorption |
| 02/26/1991 | US4996375 Vitamin E intermediates and a process for their manufacture and conversion into Vitamin E |
| 02/26/1991 | US4996373 Process for producing dihydroxydiarylalkanes |
| 02/26/1991 | US4996372 In a basic aqueous solution, then acid cleaving in the presence of hydrogen peroxide |
| 02/26/1991 | US4996225 Tri-phenyl alkane derivatives and their oestrogenic, anti-oestrogenic and progestanic uses |
| 02/25/1991 | CA2023791A1 Radiation-sensitive positive resist composition |
| 02/20/1991 | CN1011698B Synthetic method of p-hydroxymethyl hindered phenol |
| 02/19/1991 | US4994628 3,5-Dialkyl-4-hydroxybenzyl-substituted benzenes by reacting 2,6-dialkyl-4-methoxymethyl phenols with benzene compound; sulfuric acid catalyst |
| 02/19/1991 | US4994548 Rigid insoluble thermosetting polyethers |
| 02/19/1991 | US4994489 Ester derivatives of diarylacetylenes, their compositions and their use in acne treatment |
| 02/19/1991 | CA1280539C Process and catalyst for production of a bisphenol |
| 02/12/1991 | US4992599 Reacting with phthalic anhydride; disillation |
| 02/12/1991 | US4992598 Purification of 1, 1, 1-tris(4'-hydroxyphenyl)ethane |
| 02/12/1991 | US4992596 Selected trinuclear novolak oligomers and their use in photoactive compounds and radiation sensitive mixtures |
| 02/12/1991 | US4992356 Positive photoresists |
| 02/12/1991 | CA1280127C Stabilisation process for phenol chlorination and/or chlorophenol mixes |
| 02/12/1991 | CA1280126C Stabilisation process for phenol chlorination and/or chlorephenol mixes |
| 02/05/1991 | US4990703 Novel tetrahydronaphthalene and indane derivatives |
| 02/05/1991 | US4990687 Alkylation of p-cresol with cyclohexanol or cyclohexene in presence of a pore, acidic zeolite |
| 02/05/1991 | US4990686 Recrystallizaton in C1-C4 alcohol |
| 01/31/1991 | DE4022997A1 New asymmetrical 2,2-bis-aryl-hexa:fluoro-propane(s) - prepd. by dehydration-condensn. of 2-aryl-hexa:fluoro-2-propanol and aromatic cpd. in presence of hydrogen fluoride |
| 01/30/1991 | EP0410379A2 Pharmaceutically active 3-aryl and 3-heteroaryl-2-fluoro-1-olefins |
| 01/30/1991 | EP0410343A2 Use of bisphenol derivatives in treating diabetes mellitus |
| 01/30/1991 | CN1048865A 2,4-dimethyl-6-3-alkylphenols |
| 01/30/1991 | CN1048844A Preparing method for optical rotation 1,1-bi-2-naphthol |
| 01/29/1991 | CA1279654C Process for oxidizing 2,6-diisopropylnaphthalene |
| 01/29/1991 | CA1279633C Silica-titania hydrocarbon conversion catalyst |
| 01/23/1991 | EP0408928A1 Method for the production of alpha-methylbenzyl-substituted phenols |
| 01/22/1991 | US4987273 Reverse osmosis |
| 01/16/1991 | EP0408418A1 Method of hydroxylating phenols and phenol ethers |
| 01/16/1991 | EP0407788A2 Use of retinoids for the treatment and prophylaxis of immune related diseases |
| 01/16/1991 | EP0214147B1 Crystalline magnesia-silica composites and process for producing same |
| 01/15/1991 | US4985442 2-substituted-1-naphthols as 5-lipoxygenase inhibitors |
| 01/15/1991 | US4985435 2-substituted-1-naphthols as 5-lipoxygenase inhibitors |
| 01/12/1991 | CA2020792A1 Hydroxylation process of phenols and phenol ethers |
| 01/08/1991 | US4983779 Coupling carbonyl compound with ester in organic solvent in presence of metallic reducing agent, titanium salt, amine base |
| 01/06/1991 | CA2017956A1 Use of retinoids |
| 01/02/1991 | EP0406169A1 2,4-Dimethyl-6-s-alkyl-phenols |
| 01/02/1991 | EP0406050A2 Process for the preparation of phenols |
| 01/02/1991 | EP0405487A1 Phenoxypyridinamines and related compounds, a process for their preparation and their use as medicaments |
| 01/02/1991 | EP0405389A1 Process for producing an aromatic compound |
| 01/01/1991 | US4982014 Dihydroxydiphenyl cycloalkanes, their production and their use for the production of high molecular weight polycarbonates |
| 01/01/1991 | US4982013 Zeolite catalyst |
| 01/01/1991 | US4981868 Enzyme inhibitors, hypotensives |
| 12/30/1990 | CA2020088A1 Phenoxypyridinamines and related compounds, a process for their preparation and their use as medicaments |
| 12/27/1990 | EP0404640A1 5,6,7,8-Tetrahydro-1-naphtalenol derivatives, process for their preparation and their use as antioxidants in cosmetic and pharmaceutical compositions |
| 12/27/1990 | CA1278314C Process for preparing hydroxynaphthalenes |
| 12/25/1990 | US4980505 Converting ortho-hydroxylated mannich bases to corresponding methylated compounds via hydrogenation |
| 12/19/1990 | EP0403026A1 12-Substituted-12H-dibenzo(D,G)(1,3)dioxocin-6-carboxylic acids, herbicidal compositions, and a method of controlling undesirable vegetation |
| 12/19/1990 | EP0402729A2 Polycarbonates having vinylaromatic endgroup |
| 12/19/1990 | EP0402646A1 Retroviral protease inhibiting compounds |
| 12/18/1990 | US4978810 Polyalkenylphenol compound |
| 12/18/1990 | US4978809 Meta-halogenated dibenzylphenols |
| 12/15/1990 | CA2018986A1 Herbicidal 12-substituted 12h-dibenzo(d,g)(1,3)dioxocin-6-carboxylic acids |
| 12/13/1990 | WO1990015041A1 Preparation of phenylhydroquinone |
| 12/13/1990 | WO1990014818A1 Oxidation hair colorant |
| 12/13/1990 | CA2018959A1 Tetrahydro-5,6,7,8 naphtalenol-1 derivatives, process for their preparation and use as antioxidant in cosmetic compositions and pharmaceutical products containing same |
| 12/12/1990 | EP0401517A1 Substituted 2-alkynylphenols with anti-inflammatory action, a process for their preparation and pharmaceutical compositions thereof |
| 12/05/1990 | EP0400971A2 Method for preparation of taxol |
| 12/05/1990 | EP0400779A1 Biological production of novel cyclohexadienediols |
| 12/05/1990 | EP0400773A2 Condensate of a polyhydric phenol with an aldehyde and the preparation and use thereof |
| 12/05/1990 | EP0400409A2 Aromatic copolyetherketones |
| 12/05/1990 | EP0400330A1 Oxidation hair dyes |
| 12/05/1990 | EP0400171A1 Countercurrent multi-stage water crystallization for aromatic compounds |
| 11/30/1990 | CA2017830A1 Preparation of phenylhydroquinone |
| 11/30/1990 | CA2010773A1 Biological production of novel cyclohexadienediols |
| 11/28/1990 | EP0399746A1 Use of chlorites as oxidants in hair coloring |
| 11/27/1990 | US4973758 Process for the preparation of 1,5-dihydroxynaphthalene and 1,5-diaminonaphthalene |
| 11/27/1990 | US4973691 Etheric derivative of 4(3H)-quinazolinone and a process for preparation thereof |
| 11/21/1990 | CN1010477B Process for extracting paraffins from mixture of alkane and alkanesutphonic acid |
| 11/20/1990 | CA1276652C Phenolic compound chlorination process |
| 11/14/1990 | EP0397277A2 Modified bisphenols |
| 11/14/1990 | CN1046891A Technology of extracting cotton phenol |
| 11/13/1990 | CA1276183C Process for the preparation of di-ortho-substituted di-meta-halogenatedpara-halomethylphenols |
| 11/09/1990 | CA2016185A1 Modified bisphenols |
| 11/07/1990 | CN1010304B Process for preparing of phenol and acetone by oxidation of cumene |
| 11/06/1990 | US4968759 Alkylation polymerization of phenol with bis(hydroxyalkyl)benzene followed by alkylation of ortho or para position |