| 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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| 05/06/1981 | EP0028200A1 Alkylation of 2,6-di-tert.-alkylphenols with alkanediols |
| 05/06/1981 | EP0028063A1 Phenol derivatives, processes for their preparation and pharmaceutical compositions containing them |
| 05/06/1981 | EP0027796A1 Chroman and chromanon-4 derivatives, process for their preparation, antioxidant compositions containing same and their use for stabilizing edible fats and oils. |
| 05/05/1981 | US4265817 Novel chiral ethers and their use in resolution of alcohols and phenols |
| 04/29/1981 | EP0027593A1 Process for the preparation of polyhydric phenols |
| 04/28/1981 | US4264509 Isoflavones and related compounds, methods of preparing and using and antioxidant compositions containing same |
| 04/21/1981 | CA1099709A1 5-(quaternary alkyl) resorcinol preparation and intermediates therefor |
| 04/14/1981 | US4262153 Catalyst selectivity, by-product inhibition |
| 04/14/1981 | US4262152 Preparation of trifluoromethylphenyl nitrophenylethers |
| 04/14/1981 | US4262151 Process for the recovery of phenol from a reaction mixture resulting from the acid cleavage of cumene hydroperoxide |
| 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 | US4261866 Perfumes and perfume fixatives |
| 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 | US4260833 Preparation of alkylphenols |
| 04/07/1981 | US4260832 Alkali metal or hydroxide or alkoxide thereof as catalyst |
| 04/07/1981 | US4260831 Oligomerization of m-isopropenylphenol |
| 04/07/1981 | US4260764 9-Hydroxyoctahydrobenzo [C] quinolines and intermediates therefor |
| 04/07/1981 | CA1098916A1 Process for the production of a phenol and a carbonyl compound by the catalysed decomposition of an aromatic hydroperoxide |
| 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 |
| 03/31/1981 | US4259510 Preparation of trifluoromethylphenyl nitrophenylethers |
| 03/25/1981 | EP0025659A2 Processes for the production of 1,2,3-trihydroxyphenyl compounds |
| 03/24/1981 | US4258268 Aldol condensations |
| 03/24/1981 | US4258221 Cleavage of alkylenebisphenols |
| 03/24/1981 | US4258220 Purification of 2,6-xylenol streams |
| 03/24/1981 | US4258219 By oxidizing p-isopropenyl phenol with a hydroperoxide |
| 03/24/1981 | US4257953 Reacting phthalimide with phenol derivative and alkali hydroxide |
| 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 | US4255593 Salts of polychlorinated phenols |
| 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 | US4254116 Analgesics, antidepressants, neutralizing agents |
| 03/03/1981 | US4254056 2-Aminomethyl phenol derivative and process for preparing thereof |
| 03/03/1981 | CA1096888A1 Benzine-1,3,5-tris-acetoxime and the process of making phloroglucinol therewith |
| 02/24/1981 | CA1096405A1 Ortho alkylation of phenols with a calcium oxide- containing catalyst |
| 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 |
| 02/11/1981 | EP0023571A1 Process for preparing polycarbonates, the polycarbonates obtainable thereby and their use |
| 02/10/1981 | US4250341 2,2,6,6-Tetrachloro (or bromo) cyclohexane and pyrogallol |
| 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 |
| 02/03/1981 | US4249026 Separating 2,5-xylenol from a mixture of 2,5-xylenol and 2,4-xylenol |
| 01/27/1981 | US4247721 Process for purification of p-isopropyl phenol |
| 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 | US4247719 Selective catalytic dealkylation of the 4-tert-alkyl-2,5-xylenol isomer |
| 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 | EP0022612A1 A process for the removal of cumene from a gaseous stream |
| 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 |
| 01/20/1981 | US4246203 Process for the production of a phenol and a carbonyl compound by the catalyzed decomposition of an aromatic hydroperoxide |
| 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 |
| 01/07/1981 | EP0021848A1 Process and apparatus for the preparation of phenols |
| 01/07/1981 | EP0021511A1 Process for the preparation of optionally alkyl-substituted resorcinol and catalyst to be used in this process |
| 01/06/1981 | US4243828 Alkylation of aromatics using a high silica zeolite |
| 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 |
| 12/30/1980 | US4242528 Process for preparing isopropenyl phenol |
| 12/30/1980 | US4242527 Dissolving in a water-alcohol or -phenolic cosolvent system |
| 12/30/1980 | CA1092612A1 Method for the production of 2,4,6-tri-(3,5- ditertiary butyl-4-hydroxybenzyl) mesitylene |
| 12/23/1980 | US4241225 Fuller's earth as catalyst |
| 12/16/1980 | US4239921 Recrystallization from mixed solvent of an aromatic hydrocarbon and a phenol |
| 12/16/1980 | US4239920 Process for preparing 6-isobornyl-3,4-xylenol |
| 12/16/1980 | US4239919 Process for obtaining bisphenols |
| 12/16/1980 | US4239918 Stabilizers for polyvinyl chloride; monomers for polycarbonates |
| 12/16/1980 | US4239508 Cumene recovery |
| 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 | US4238628 Polyalkylaromatics undegraded during alkylation |
| 12/09/1980 | US4238627 Oxidative process for preparing substituted biphenols |
| 12/09/1980 | US4238626 Anticholesterol and antilipemic agents |
| 12/09/1980 | US4238417 Decomposition of cumene hydroperoxide and recovery of boron trifluoride catalyst |
| 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 | US4237321 2,4,5-Trichlorophenol process |
| 12/02/1980 | US4237319 In alkali to form the di-hydroperoxide |
| 12/02/1980 | US4237310 Acid catalyzed |
| 12/02/1980 | US4237309 Method for the preparation of phenolic acetates and paraformaldehyde |
| 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 |
| 11/26/1980 | EP0019476A2 Catalyst and process for producing ortho-methyl substituted phenols using it |
| 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 | US4236032 From 3-alkylphenols or 2,3-dialkylphenols |
| 11/25/1980 | US4236031 From 3-alkylphenols or 2,3-dialkylphenols |
| 11/25/1980 | US4236030 By extraction with an aqueous formaldehyde solution |
| 11/25/1980 | US4235913 9-Hydroxyhexahydrodibeno[b,d]pyrans, 1-substituted-9-hydroxyhexahydrodibenzo]b,d]pyrans |