| 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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| 04/29/1981 | EP0027593A1 Process for the preparation of polyhydric phenols |
| 04/21/1981 | CA1099709A1 5-(quaternary alkyl) resorcinol preparation and intermediates therefor |
| 04/21/1981 | CA1099636A1 Dithranol composition for the treatment of psoriasis |
| 04/14/1981 | US4262152 Preparation of trifluoromethylphenyl nitrophenylethers |
| 04/14/1981 | US4262150 Process for the recovery of phenol from a reaction mixture resulting from the acid cleavage of cumene hydroperoxide |
| 04/14/1981 | CA1099269A1 Process for the production of 9-hydroxydibenzo ¬b, d| pyrans and intermediates therefor |
| 04/08/1981 | EP0026318A1 Process for the preparation of pure 4.4-dihydroxydiphenyl alkanes or cycloalkanes |
| 04/07/1981 | US4260832 Alkali metal or hydroxide or alkoxide thereof as catalyst |
| 04/07/1981 | US4260831 Oligomerization of m-isopropenylphenol |
| 04/07/1981 | CA1098888A1 Production of phenols and catalyst therefor |
| 03/31/1981 | US4259534 Method for the production of 2,4,6-tri(3,5-ditertiary butyl-4-hydroxybenzyl) mesitylene |
| 03/25/1981 | EP0025659A2 Processes for the production of 1,2,3-trihydroxyphenyl compounds |
| 03/24/1981 | US4258220 Purification of 2,6-xylenol streams |
| 03/17/1981 | US4256568 Using metal oxides or metal hydroxides to form an hydroxy metal phenate; separation; decomposition by heating |
| 03/17/1981 | CA1097692A1 Linear trimer of para-isopropenyl phenol and process for its preparation |
| 03/17/1981 | CA1097667A1 Benzo-furan derivatives |
| 03/10/1981 | CA1097377A1 Process for the purification of a phenol |
| 03/10/1981 | CA1097376A1 Method for preparing 2,6-ditert. butylphenol |
| 03/10/1981 | CA1097375A1 Process for preparing resorcinol |
| 03/03/1981 | US4254144 Substituted benzonitriles having antiviral activity |
| 03/03/1981 | US4254116 Analgesics, antidepressants, neutralizing agents |
| 03/03/1981 | CA1096888A1 Benzine-1,3,5-tris-acetoxime and the process of making phloroglucinol therewith |
| 02/18/1981 | EP0023913A1 Dehydrohalogenation of a diphenyl trichloroethane |
| 02/17/1981 | US4251325 Purification by distillation and stripping using trays |
| 02/17/1981 | CA1095935A1 Method for recovering resorcinol |
| 02/17/1981 | CA1095884A1 Catalyst for hydrogenolysis of n,n-dimethyl-3,5- ditert. butyl-4-hydroxybenzylamine |
| 02/11/1981 | EP0023572A1 Process for the production of mixtures of alkylated aromatic polyhydroxy compounds, these mixtures of products and their use in the production of polycarbonates |
| 02/10/1981 | US4250336 Process for the manufacture of resorcinols from δ-ketocarboxylic acid esters |
| 02/10/1981 | US4250335 Using dibutyl ether and water to separate the 2,3,5-p-quinone intermediate, the cobalt complex catalyst, and the dimethylformamide solvent; liquid phase hydrogenation |
| 02/04/1981 | EP0023325A1 Catalyst for the preparation of bisphenols |
| 02/03/1981 | US4249027 Condensation of an alkynoic ester and 3-oxoglutaric acid diester |
| 01/27/1981 | US4247720 Contacting 3,5,5-trimethyl-2-cyclohexene-1,4-dione with an acid catalysts in the vapor phase |
| 01/27/1981 | US4247484 Keto-diphenol compounds |
| 01/27/1981 | CA1094575A1 Benzene-1,3,5-tris-acetoxime and the process for making phloroglucinol therewith |
| 01/21/1981 | EP0022648A1 Process for recovering meta- and para-cresols from crude cresol-containing compositions |
| 01/21/1981 | EP0022534A1 Process for obtaining pyrocatechin and hydroquinone |
| 01/21/1981 | EP0022533A1 Process for the preparation of polyvalent phenols |
| 01/21/1981 | EP0022519A1 Process for the preparation of a mixture of 2-hydroxy and 4-hydroxy benzyl alcohol |
| 01/13/1981 | US4245128 Process for cleaving dihydroxydiphenyl alkanes |
| 01/13/1981 | US4245127 Process for chlorinating xylenols |
| 01/13/1981 | US4245126 Process for the preparation of a mixture of 2- and 4-hydroxybenzyl alcohol |
| 01/13/1981 | CA1093300A1 Heat sensitive dye layers |
| 01/07/1981 | EP0021848A1 Process and apparatus for the preparation of phenols |
| 01/06/1981 | US4243822 Fusion reaction of a alkali metal biphenyl-4,4'-disulfonate and an alkali metal hydroxide; stoichiometry |
| 01/06/1981 | US4243598 1,2-epoxy-2,6,10,14-tetramethylpentadecane as a chemical intermediate |
| 01/06/1981 | CA1093101A1 Method of preparing 2,6-di-tert. butylphenol |
| 01/06/1981 | CA1093100A1 Method of preparing 2,6-di-tert. butyl-4-methylphenol |
| 12/30/1980 | US4242528 Process for preparing isopropenyl phenol |
| 12/30/1980 | CA1092612A1 Method for the production of 2,4,6-tri-(3,5- ditertiary butyl-4-hydroxybenzyl) mesitylene |
| 12/16/1980 | US4239921 Recrystallization from mixed solvent of an aromatic hydrocarbon and a phenol |
| 12/16/1980 | US4239918 Stabilizers for polyvinyl chloride; monomers for polycarbonates |
| 12/16/1980 | CA1091680A1 Method for production of quinones |
| 12/09/1980 | US4238629 Process for the preparation of a mixture of 2-and 4-hydroxybenzyl alcohol |
| 12/09/1980 | US4238627 Oxidative process for preparing substituted biphenols |
| 12/02/1980 | US4237323 By first sulfonating naphthalene then fusing with potassium hydroxide to form potassium x-naphtholate which can be acidified to the product |
| 12/02/1980 | US4237319 In alkali to form the di-hydroperoxide |
| 12/02/1980 | CA1090828A1 Process for the selective ortho-alkylation of a phenol in the presence of a copper-chromium catalyst |
| 12/02/1980 | CA1090827A1 Process for the preparation of polydric phenols |
| 11/28/1980 | EP0016167A4 Polycarbonate compositions having improved barrier properties. |
| 11/26/1980 | EP0019436A1 Process for preparation of aromatic tertiary alkyl hydroperoxides and their use in preparing phenols |
| 11/26/1980 | EP0019388A1 Preparation of trifluoromethyl-substituted phenols and phenates and the preparation, from these phenols and phenates, of nitro- and trifluoromethyl-substituted diphenyl ethers |
| 11/26/1980 | EP0019305A1 Process for the treatment of caustic phenol solutions |
| 11/25/1980 | US4236033 Process for the manufacture of p-alkylphenols |
| 11/25/1980 | US4235913 9-Hydroxyhexahydrodibeno[b,d]pyrans, 1-substituted-9-hydroxyhexahydrodibenzo]b,d]pyrans |
| 11/25/1980 | US4235790 Process for separating p-benzoquinone from the reaction products of phenol oxidation as quinhydrone |
| 11/25/1980 | CA1090375A1 Process for liquid-phase oxidation of m- diisopropylbenzene |
| 11/25/1980 | CA1090373A1 Process for preparing cyclohexanone and/or cyclohexanol |
| 11/25/1980 | CA1090346A1 2-substituted-5-alkyl resorcinols |
| 11/18/1980 | US4234490 Intermediates in the synthesis of vitamin E |
| 11/12/1980 | EP0018803A1 Process for preparation of aromatic tertiary hydroperoxides and phenols prepared therefrom |
| 11/12/1980 | EP0018606A1 Direct fluorination of etherified hydroxy group-bearing aromatic compounds |
| 11/04/1980 | US4232176 Method of removing aluminum-containing catalyst from phenol alkylation products |
| 11/04/1980 | US4232114 Color photographic light-sensitive elements containing anti-color fogging agents |
| 11/04/1980 | US4232039 Phenyl- or cycloalkyl-benzo-oxacyclic compounds |
| 10/29/1980 | EP0017851A1 Process for the preparation of a mixture of 2-hydroxybenzyl alcohol and 4-hydroxybenzyl alcohol |
| 10/28/1980 | US4230894 Isomer separation by catalytic cracking using a selective zeolite |
| 10/28/1980 | CA1088574A1 Process for the high pressure methylation of 2,6- xylenol |
| 10/21/1980 | US4229597 Decomposition of m-diisopropylbenzene dihydroperoxide with an alumina-silica catalyst in a dispersion of a ketone and an aromatic hydrocarbon solvents |
| 10/21/1980 | US4229596 By rearrangement and decomposition of a dialkylbenzene hydroperoxide |
| 10/15/1980 | EP0017141A1 Process for the purification of trichlorophenol |
| 10/07/1980 | US4227023 Process for the selective ortho-alkylation of phenolic compounds |
| 10/07/1980 | CA1087214A1 Method of making 1,1,3-tri-substituted-3-phenylindane from 2-substituted styrene compounds |
| 10/07/1980 | CA1087211A1 Process for polybrominating bisphenoxy alkanes |
| 10/01/1980 | EP0016676A1 Process for the preparation of magnesium alkyl phenates |
| 10/01/1980 | EP0016167A1 Polycarbonate compositions having improved barrier properties. |
| 10/01/1980 | EP0016077A1 Process for recovering 2,2-bis(4-hydroxyphenyl) propane from an adduct of 2,2-bis(4-hydroxyphenyl) propane and phenol |
| 09/30/1980 | US4225731 Process for the preparation of trifluoromethylphenols |
| 09/23/1980 | CA1086331A1 Substituted benzopinacols and their preparation |
| 09/17/1980 | EP0015876A1 Process for the production of hydroquinone |
| 09/17/1980 | EP0015418A1 Process for the separation of the two optical isomers of 1-(o-methoxyphenoxy)-3-isopropylamino-propan-2-ol, optical isomers obtained thereby and pharmaceutical compositions of the levorotatory antipode thereof |
| 09/16/1980 | US4223171 Substituted dichlorovinylidene (diphenols) |
| 09/16/1980 | US4223170 Heat distortion resistant polycarbonates |
| 09/16/1980 | US4223165 Hydroquinones from phenols and hydrogen peroxide in a trifluoromethanesulfonic acid medium |
| 09/16/1980 | US4222940 Cyclization substrates, cyclization process and related 11β-axially-substituted steroids |
| 09/16/1980 | US4222884 Antioxidant |
| 09/09/1980 | US4221673 Lubricant additives |
| 09/09/1980 | CA1085385A1 Production of overbased metal phenates |
| 09/03/1980 | EP0015104A1 Preparation of biphenol by the oxidative coupling of alkylphenols |
| 09/03/1980 | EP0014816A1 Polycyclic polyphenols with propenyl groups and curable mixtures based on maleimides and propenyl-substituted phenols |
| 08/26/1980 | US4219501 Anti-inflammatory method |