| Patents for C07C 37 - Preparation of compounds having hydroxy or o-metal groups bound to a carbon atom of a six-membered aromatic ring (10,407) |
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| 05/28/1991 | CA1284491C Procedure for separating lignin and phenol from phenol solutions |
| 05/22/1991 | EP0427959A2 Meta-halogenated dibenzylphenols |
| 05/22/1991 | CN1051551A Synthetic method of 2,2-methylene bis ( 4-methyl-6-tertiary butyl phenol ) |
| 05/21/1991 | US5017729 Alkylation, oxidation, acid cleavage, hydrogenation, dehydration, reuse |
| 05/21/1991 | US5017728 Tetrabromobisphenol-A process |
| 05/17/1991 | CA2029786A1 Olefin polymerization catalysts |
| 05/14/1991 | US5015797 Acidic mordenite alkylation catalyst for alkylation of polycyclic aromatic compounds with olefins |
| 05/14/1991 | US5015786 Alkylation of benzene with isopropanol and a zeolite catalyst, oxidation of cumene to form cumene hydroperoxide, hydrogenation the acetone |
| 05/14/1991 | US5015785 Preparation of mixtures of isomeric cresols with a molar ratio of para- to meta-cresol of at least 0.6:1 to 10:1 |
| 05/14/1991 | US5015784 Isomerization catalysts of acids |
| 05/14/1991 | US5015758 Reaction of acyloxyadamantane with a receptor compound in a solvent and in the presence of sulfuric acid |
| 05/14/1991 | CA2027196A1 Meta-halogenated dibenzylphenols |
| 05/07/1991 | US5013827 Enhanced chemiluminescence from 1,2-dioxetanes through energy transfer to tethered fluorescers |
| 05/02/1991 | EP0424695A2 Process for preparing tetrabromo-4,4'-alkylidene diphenols |
| 04/30/1991 | US5012016 Process for preparing tetraphenolic compounds |
| 04/28/1991 | WO1991006518A1 Method of preparation of fluorobenzenes |
| 04/28/1991 | CA2070412A1 Process for the preparation of fluorobenzenes |
| 04/24/1991 | CA2028187A1 Process for the preparation of tetrabromo-4,4'- alkylidenediphenols |
| 04/18/1991 | WO1991005755A1 Process for manufacturing bisphenols |
| 04/18/1991 | CA2044247A1 Process for manufacturing bisphenols |
| 04/17/1991 | EP0423070A2 Process for preparing substituted phenols |
| 04/16/1991 | US5008472 Preparation of 4,4"-dihydroxyterphenyl |
| 04/16/1991 | US5008471 Process for the preparation of rooperol |
| 04/16/1991 | US5008470 Reacting ketones or aldehyde with phenolic compound in presence of acid ion exchange resin catalyst |
| 04/16/1991 | US5008469 Process for producing tetrabromobisphenol A |
| 04/16/1991 | US5008425 Trifluoromethylation of carbonyl compounds |
| 04/10/1991 | EP0421883A2 Method for preparing p,p'-biphenol |
| 04/09/1991 | CA1282800C Acid catalyzed process |
| 04/09/1991 | CA1282797C Process for preparing bisphenol a |
| 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 | 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 | US5003109 Reaction mixtures from phenol synthesis, copper compound |
| 03/26/1991 | CA2024577A1 Antioxidant process |
| 03/26/1991 | CA2024574A1 Phenolic antioxidant process |
| 03/21/1991 | WO1991003443A1 A process for the production of 4,4'-dialkylated biphenyl compounds |
| 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 | US5001214 Low odor polyphenylene ether produced in the absence of odor causing amine, in presence of manganese chelate complex catalyst |
| 03/13/1991 | EP0416279A1 Method for the production of mixtures of cresol isomers with a mole ratio of para- to meta-cresol of at least 0.6:1 up to 10:1 |
| 03/13/1991 | EP0289509B1 Basic metal salts having improved color and stability and vinyl halide polymers containing same |
| 03/05/1991 | US4997946 Process for the iodination of hydroxyaromatic and aminoaromatic compounds |
| 02/26/1991 | US4996385 Produced from titanium chelates with coordination number at least five; catalyst for alkylation, isomerization, dehydration |
| 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 | US4996320 Thyroid inhibitors |
| 02/26/1991 | US4996225 Tri-phenyl alkane derivatives and their oestrogenic, anti-oestrogenic and progestanic uses |
| 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 | CA1280539C Process and catalyst for production of a bisphenol |
| 02/12/1991 | US4992600 Process for the oxidation of benzene to phenol |
| 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 | US4992597 Reacting 2,6-dialkyl-4-methoxymethyl phenols with benzene compounds to produce 3,5-dialkyl-4-hydroxybenzyl-substituted benzene compounds |
| 02/12/1991 | US4992151 Method for the selective alpha halogenation of alkylaromatic compounds |
| 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 |
| 02/07/1991 | WO1991001288A1 Method of preparation of chloranil |
| 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 |
| 01/30/1991 | 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 |
| 01/29/1991 | CA1279654C Process for oxidizing 2,6-diisopropylnaphthalene |
| 01/29/1991 | CA1279633C Silica-titania hydrocarbon conversion catalyst |
| 01/24/1991 | DE3924177A1 Verfahren zur herstellung von chloranil Process for the preparation of chloranil |
| 01/23/1991 | EP0409172A2 Process for dimerizing aromatic halogen compounds |
| 01/23/1991 | EP0408928A1 Method for the production of alpha-methylbenzyl-substituted phenols |
| 01/23/1991 | CN1048701A Optimization of alkylphenol synthesizing procedure |
| 01/22/1991 | US4987273 Reverse osmosis |
| 01/16/1991 | EP0408418A1 Method of hydroxylating phenols and phenol ethers |
| 01/16/1991 | EP0214147B1 Crystalline magnesia-silica composites and process for producing same |
| 01/12/1991 | CA2020793A1 Process for the preparation of pentachlorophenol |
| 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 |
| 01/02/1991 | EP0406169A1 2,4-Dimethyl-6-s-alkyl-phenols |
| 01/02/1991 | EP0406050A2 Process for the preparation of phenols |
| 01/02/1991 | EP0405389A1 Process for producing an aromatic compound |
| 01/01/1991 | US4982015 Dihydrodihydroxynaphthalene substituted with electron withdrawing group |
| 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 |
| 12/27/1990 | 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 | EP0403810A2 Low odor polyphenylene ether |
| 12/27/1990 | CA1278314C Process for preparing hydroxynaphthalenes |
| 12/25/1990 | US4980505 Converting ortho-hydroxylated mannich bases to corresponding methylated compounds via hydrogenation |
| 12/23/1990 | CA2013352A1 Low odor polyphenylene ether |
| 12/18/1990 | US4978811 Process for hydrolysis of ortho-aromatic di-aryl ethers |
| 12/18/1990 | US4978809 Meta-halogenated dibenzylphenols |
| 12/18/1990 | US4978789 Catalytic dehydrogenation using a mixed oxide containing iron and silicon; dealkenylation of alkyl phenols and anilines |
| 12/13/1990 | WO1990015041A1 Preparation of phenylhydroquinone |