| 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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| 10/27/1992 | US5158977 Antioxidant; preventive treatment of cutaneous inflammations and allergies |
| 10/20/1992 | US5157165 Method for preparing highly pure 1,1,2,2-tetrakis(4-hydroxy-3,5-dimethylphenyl)ethane |
| 10/20/1992 | US5157158 Continuous alkylation of an aromatic alcohol using a zeolite or clay alkylation catalyst |
| 10/20/1992 | CA1309110C Hydrolysis of halo- and alkyl-substituted phenols |
| 10/14/1992 | EP0508835A2 Method of preparing alkylbiphenyls |
| 10/12/1992 | WO1992018449A1 Selective hydroxylation of phenol or phenolic ethers |
| 10/12/1992 | CA2108124A1 Selective hydroxylation of phenol or phenolic ethers |
| 09/29/1992 | US5151532 Process for the production of high-purity tetrachloro-1,4-benzoquinone |
| 09/29/1992 | CA1308122C Process for producing hydroxybenzenes |
| 09/23/1992 | EP0505146A1 Process for purifying phenol |
| 09/22/1992 | USRE34076 Alkylation catalysis of aromatic alcohol with alkylating agent in presence of heteropoly acid and water |
| 09/22/1992 | US5149888 Hydroxylation of phenols/phenol ethers |
| 09/22/1992 | US5149887 Separation of alkyl-substituted phenolic isomers with barium-potassium exchanged zeolitic adsorbent |
| 09/22/1992 | US5149886 Condensation of fluorene and phenol in presence of gsaeous hyd hydrogen chloride and beta-mercapto-propionic acid catalyst; forming adduct with nitrile; optional dissociation |
| 09/22/1992 | US5149880 Nitrogen-containing aromatic heterocyclic ligand-metal complexes and their use for the activation of hydrogen peroxide and dioxygen in the reaction of organic compounds |
| 09/22/1992 | US5149858 Reacting with chlorine gas in presence of organic cation catalysts |
| 09/22/1992 | US5149850 Chlorination of hydroquinone with chlorine gas in hydrochloric acid, diluting with water and heating |
| 09/15/1992 | US5147628 Process for producing alkyltetrahydroanthrahydroquinones and working solutions containing them for producing hydrogen peroxide by the anthraquinone process |
| 09/09/1992 | EP0502253A1 Process for the preparation of 9,9-bis-(4-hydroxyphenyl)fluorene |
| 09/09/1992 | EP0502252A1 Process for the preparation of 9,9-bis-(4-hydroxyphenyl)fluorene |
| 09/08/1992 | US5146026 To produce biodegradable detergents |
| 09/08/1992 | US5146010 Pyrolysis of naturally occurring cresylic acid mixtures |
| 09/08/1992 | US5146008 Dehydrogenation of corresponding cyclohexyl derivatives in presence of palladium supported catalyst |
| 09/08/1992 | US5146007 Ion exchange resin as condensation catalyst |
| 09/08/1992 | US5146006 Condensation of dialdehyde and phenolic compound |
| 09/03/1992 | WO1992014691A1 Catalytic hydroxylation of phenol |
| 09/02/1992 | EP0288582B1 Process for producing alkyl group-substituted aromatic hydrocarbons |
| 08/26/1992 | EP0500323A2 Production of bisphenol monoester |
| 08/26/1992 | EP0499922A1 Process for the purification of Bisphenols |
| 08/25/1992 | CA1306758C Oxidation and subsequent decomposition of dihydroperoxide |
| 08/19/1992 | EP0499055A2 Process for the preparation of pyrocatechols |
| 08/18/1992 | CA1306469C Process for producing bisphenol a |
| 08/12/1992 | EP0497796A1 Method of preparation of fluorobenzenes. |
| 08/11/1992 | US5138104 Reacting a phenol with a ketone peroxide in the presence of compound with at least one phosphorus-sulfur bond |
| 08/11/1992 | US5138103 Process for producing tetrabromobisphenol a |
| 08/05/1992 | EP0496898A1 Method of crystallizing bisphenol a having phenol added thereto |
| 08/05/1992 | EP0496895A1 Method of preparing bisphenol a |
| 08/05/1992 | CN2111954U Sulphur acidizing unit in production of phenol |
| 08/05/1992 | CN1017704B Preparation method of high pureness 2,2-bi(4-hydroxyphenyl) propane |
| 08/04/1992 | US5136111 Controlled catalytic and thermal sequential pyrolysis and hydrolysis of phenolic resin containing waste streams to sequentially recover monomers and chemicals |
| 08/04/1992 | US5136110 Process for the preparation of bisphenols |
| 08/04/1992 | US5136083 Multistep melt crystallization |
| 07/29/1992 | EP0464154A4 Alkylation of aromatics |
| 07/23/1992 | WO1992012114A1 Process for producing simultaneously aromatic hydroxy and carbonyl compounds |
| 07/21/1992 | US5132468 C-alkylation of hydroquinone or monoethers thereof |
| 07/21/1992 | US5131984 Vaporization, withdrawal, condensation, return; steam generation |
| 07/15/1992 | EP0494665A1 A method for the production of 6,12-dihydro-6-hydroxy-cannabidiol and the use thereof for the production of transdelta-9-tetrahydrocannabinol |
| 07/15/1992 | EP0494419A2 Process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid |
| 07/14/1992 | CA1305187C Process for preparing bisphenol a |
| 07/14/1992 | CA1305186C Process for preparing bisphenol a |
| 07/14/1992 | CA1305185C Process for preparing bisphenol a |
| 07/07/1992 | US5128304 Catalyst for alkylation of phenols |
| 07/07/1992 | CA1304877C Anisotropic melt polyesters with improved glass transition temperature |
| 07/07/1992 | CA1304756C Process for preparing 2,2-bis(4-hydroxyphenyl)propane of high purity |
| 07/07/1992 | CA1304755C Process for producing dihydroxynaphthalenes |
| 07/01/1992 | EP0492807A2 Method for production of phenol/acetone from cumene hydroperoxide |
| 07/01/1992 | EP0492697A1 Catalytically active gel and a process for its preparation |
| 06/30/1992 | US5126428 Polycarbonate from dihydroxy diphenyl cycloalkane |
| 06/28/1992 | CA2057684A1 Method for phenol/acetone production from cumene hydroperoxide |
| 06/25/1992 | WO1992010455A1 Base-catalyzed dehydration of substituted cis-1,2-dihydroxycyclohexa-3,5-dienes |
| 06/24/1992 | EP0491600A1 Process for the regiospecific monofunctionalisation of a phenolic hydroxy group of a polyphenol |
| 06/24/1992 | EP0491004A1 A process for the production of 4,4'-dialkylated biphenyl compounds |
| 06/23/1992 | US5124490 Removal of acids from phenol using anionic exchange resins |
| 06/16/1992 | US5122461 Preparation of pyrocatecholic compounds |
| 06/16/1992 | US5122234 Preparation of phenol having improved clarity when dispersed in water |
| 06/16/1992 | CA1303592C Synthetic, crystalline, porous material containing oxides of silicon, titanium and gallium |
| 06/16/1992 | CA1303590C Catalysts for catalytic pyrolysis of phenol distillation residue and process for recovering useful substances by pyrolysis the same |
| 06/15/1992 | WO1992010458A1 Manufacture of 2,6-hydroxynaphthoic acid |
| 06/15/1992 | CA2075707A1 Manufacture of 2,6-hydroxynaphthoic acid |
| 06/11/1992 | WO1992009550A1 A process to obtain high-purity bisphenol a |
| 06/09/1992 | US5120884 Oxidizing arylcyclobutene aldehydes with permonophosphoric acid |
| 06/09/1992 | CA1303065C Process for the preparation of hydroxylated arometic derivatives, using the baeyer-villiger reaction |
| 06/06/1992 | WO1992010456A1 Process for the purification of monotertiary butyl hydroquinone |
| 06/06/1992 | CA2095110A1 Process for the purification of monotertiarybutyl hydroquinone |
| 06/03/1992 | EP0488597A1 Method for preparing 1,1,2,2-tetrakis(4-hydroxy-3,5-dimethylphenyl)ethane, epoxy resin composition comprising it, epoxy resin derived from it and method for preparing the resin and composition |
| 06/02/1992 | US5118877 Process for the preparation of 2,3-dimethylphenol and of 3,4-dimethylphenol |
| 06/02/1992 | US5118876 Separation of dichlorophenol isomers with zeolite adsorbents |
| 06/02/1992 | US5118874 Partially fluorinated biphenyls, processes for their preparation and their use |
| 06/02/1992 | US5118872 Slurrying catalyst and feeding into distillation zone |
| 06/02/1992 | CA1302435C Autosynergistic phenolic antioxidant reaction product |
| 05/29/1992 | WO1992008450A2 ANTIVIRAL USE OF A 2,6-DI-t-BUTYLPHENOL COMPOUND SUBSTITUTED IN POSITION 4, PARTICULARLY IN RELATION TO HERPESVIRUSES AND PAPILLOMAVIRUSES |
| 05/27/1992 | CN1061354A Equipment for producing ionic exchange resin catalyst used in synthesizing bisphenol |
| 05/27/1992 | CN1061353A Acidic catalyst for condensation reactions |
| 05/26/1992 | US5116982 Fluorination |
| 05/26/1992 | CA1301428C Synthetic, crystalline, porous material containing silicon oxide, titanium oxide and aluminum oxide |
| 05/20/1992 | EP0486277A1 Process for catalyzing condensation reactions |
| 05/20/1992 | EP0486268A1 A method for preparing 4-hydroxystyrene |
| 05/20/1992 | EP0486267A1 A method for preparing a salt of 4-hydroxystyrene and for preparing 4-tertiary-butoxycarbonyloxystyrene therefrom |
| 05/20/1992 | EP0486109A2 Process for the production of a bisphenol |
| 05/20/1992 | EP0485613A1 Process for para-methylolating phenolic compound |
| 05/19/1992 | US5114601 Nonsulfurized overbased compounds, oxidation resistance and detergents |
| 05/19/1992 | CA1301195C Process for the chloration of phenolic compounds |
| 05/19/1992 | CA1301194C Process for selective chloration of phenolic compounds |
| 05/17/1992 | CA2055195A1 Method for preparing 4-hydroxystyrene |
| 05/17/1992 | CA2054386A1 Acidic catalyst for condensation reactions |
| 05/14/1992 | WO1992007812A1 Process for preparing bisphenol fluorene compounds |
| 05/06/1992 | EP0484319A1 A process of producing isopropylnaphthols |
| 05/06/1992 | EP0484219A2 Process for debrominating dibrominated naphthalene derivatives |
| 05/06/1992 | CN2103557U Sulphur acidating device in phynol production |
| 05/05/1992 | US5110995 Catalytic oxidation of benzene with nitrous oxide |