Patents
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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)
11/2003
11/20/2003WO2002044119A8 Synthesis of 2-aryl-1-naphthol derivatives via a tandem palladium catalyzed arylation and dehydrogenation
11/20/2003US20030216479 Novel compositions comprising 2,2-Bis (4-hydroxy-3-methylphenyl) heptane and uses thereof
11/20/2003US20030213911 Method of measuring the concentration of hydroperoxides of alkylaromatic hydrocarbons
11/19/2003EP1362021A1 Method for extracting, fractionating and purifying polyphenol compounds originating from fresh vegetable culls using a high-absorption and -elution resin
11/19/2003CN1457334A Process for producing bisphenol A
11/19/2003CN1457333A Process for producing bisphenol A
11/18/2003US6649140 Process for the continuous production of hydrogen peroxide
11/13/2003WO2003093212A1 High-purity (fluoroalkyl)benzene derivative and process for producing the same
11/13/2003WO2003076376A3 Process for the synthesis of phenol and acetone
11/13/2003US20030212301 Self-assembled calixarene-based guest-host assemblies for guest storage by van der waals confinement
11/13/2003US20030212299 Condensation of phenol and acetone in presence of cation exchange resin as catalyst
11/13/2003US20030212151 Process for producing a strong-acid cation exchange resin
11/13/2003US20030211184 Process for extracting polyphenolic antioxidants from purine-containing plants
11/12/2003EP1361241A1 Process for producing raw polycarbonate resin material and producing polycarbonate resin
11/12/2003EP1360160A1 Method for producing high-purity diisobutene
11/12/2003CN1454897A Method for producing phosphorousphenate
11/11/2003US6646167 Method of manufacturing phenol by direct oxidation of benzene
11/11/2003US6646097 Method for purifying 1,1-bis(4′-hydroxy-3′-methylphenyl)cyclohexane and methods of producing polycarbonates therefrom
11/06/2003WO2002024335A3 Process for producing a strong-acid cation exchange resin
11/05/2003EP1359178A1 Process for the preparation of a liquid formulation of phosphonium phenolates
11/05/2003CN1454113A Process for removing methanol from waste gas
11/05/2003CN1126725C Process for refining & purifying benzaldehyde
10/2003
10/30/2003US20030204117 Wherein one phenol nucleus contains two hydroxymethyl groups as nucleus-substitution groups; may be used as modifiers for phenol resins, etc., photo-resist material, or material for producing various polyphenol compounds
10/30/2003US20030204116 Process for the production of phosphonium phenolates
10/30/2003US20030203460 Biocatalytic synthesis of quinic acid and conversion to hydroquinone
10/29/2003EP1357103A1 Reaction method utilizing diaphram type catalyst and apparatus therefor
10/29/2003EP1355872A2 Process for stereoselective synthesis of prostacyclin derivatives
10/29/2003EP1163198B1 Combination ion exchange resin bed for the synthesis of bisphenol a
10/29/2003EP1107940B1 Vitamin d3 mimics
10/29/2003EP0927147B1 Alkylation of organic aromatic compounds using beta zeolite catalyst
10/29/2003CN1452603A Process for preparing (-) mentrol and similar compounds
10/29/2003CN1125682C Catalyst for preparing C2 hydrocarbon from transition metal and methane through oxidization and coupling by cocatalysts of S and P elements and its preparing process
10/23/2003WO2003043960A3 IMPROVED PURIFICATION OF 4, 4'(5')-DI-t-BUTYLCYCLOHEXANO-18-CROWN-6
10/22/2003EP1353891A1 Method for making bisphenol a
10/22/2003CN2581449Y Reactor for producing phenylene diphenol by phenol hydroxylation
10/22/2003CN1450986A Method and installation for separating and purifying diphenols in the phenol and phenol derivatives industry
10/22/2003CN1450985A Method for production of phenol and acetone by decomposition of cumene hydroperoxide
10/22/2003CN1450031A Use of methyl tert-butylether in aromatic hydrocarbons compound tert-butyl atiolation reaction
10/21/2003US6635789 Production and purification of phenol
10/21/2003US6635788 Condensation of phenols and ketones in the presence of either an acid catalyst, or an active ion exchange catalyst
10/21/2003US6635787 React phenol compound with sulfuryl chloride in the presence of a secondary amine; intermediates for insecticide production
10/16/2003WO2003084910A1 Production and purification of phenol: hydroxyacetone removal by hydrotalcite
10/16/2003WO2003084909A1 Process for preparing phenols
10/16/2003WO2003062443A3 Novel substituted alkane compounds and uses thereof
10/16/2003US20030195379 Reacting a phenol compound with with an unsaturated alcohol in presence of compound selected from alkali metals, alkali metal compounds, alkaline earth metals and alkaline earth metal compounds and transition metals and transition metal compounds
10/15/2003EP1352888A1 Hydroxymethyl-substituted polyfunctional phenols
10/15/2003EP1352887A1 Process for producing bisphenol a
10/15/2003EP1208070A4 Diolefin/hydroxyaryl condensates and catalyst therefor
10/15/2003EP1202947B1 Process for the preparation of phenol and acetone
10/15/2003CN1449367A 1,1-bis(4-hydroxyphenyl)-3-alkylcyclohexanes, method for their preparation and polycarbonates prepared therefrom
10/15/2003CN1448465A Method for treating tar
10/15/2003CN1448379A Method of producing p-hydroxyphenylalkanols
10/14/2003CA2030067C Process for alkylating aromatic compounds
10/09/2003WO2003082787A1 Glucocorticoid mimetics, methods of making them, pharmaceutical compositions, and uses thereof
10/09/2003WO2003082785A1 Process for production of bisphenol a
10/09/2003CA2477764A1 Glucocorticoid mimetics, methods of making them, pharmaceutical compositions, and uses thereof
10/08/2003EP1350782A1 Process for the recovery of phenol from alkylaryl hydroperoxide decomposition products
10/08/2003EP1350781A1 Process for producing bisphenol a
10/08/2003EP1349821A1 Process for the c-alkylation of aromatic hydroxyl compounds
10/08/2003EP1097915B1 Process for producing bisphenol a
10/08/2003EP1019352B1 Improved metal-ligand complex catalyzed processes
10/08/2003CN1123532C Method for suspension hydrogenation of anthraquinone compound in special reactor in order to produce hydrogen peroxide
10/07/2003US6630608 Process for preparing phenols
10/02/2003US20030187307 Obtained from 1,3- bis(hydroxyphenyl)adamantanes or 1,3,5-tris(4-hydroxyphenyl)adamantanes chemical intermediates; for making heat resistance and mechanical strength of epoxy resins, photosensitive resins, aromatic polycarbonate resins
10/02/2003US20030183557 Method for treating tar
10/01/2003EP1348686A1 Method of producing p-hydroxyphenylalkanols
10/01/2003EP1347955A1 New mandelic acid derivatives and their use as throbin inhibitors
10/01/2003CN1445204A Reaction method of aromatics of tertiary butyl by using methyl tert-butyl ether as alkylating agent
09/2003
09/27/2003CA2423001A1 Method for treating tar
09/25/2003WO2003077894A1 Fluorine-substituted alkyl phenol compounds and their uses
09/25/2003US20030181768 Reacting phenol and acetone in presence of acid catalyst
09/24/2003EP1346973A1 Process for producing bisphenol a
09/24/2003EP1345877A1 Amine modified catalysts for bisphenol production
09/24/2003CN1122010C Method for producing bis-(4-hydroxyaryl) alkanes
09/18/2003WO2003076381A1 Process for the synthesis of cumene hydroperoxide
09/18/2003WO2003076378A1 Process for producing bisphenol a
09/18/2003WO2003076377A1 Production and purification of phenol
09/18/2003WO2003076376A2 Process for the synthesis of phenol and acetone
09/18/2003US20030176733 Method for oxidizing hydrocarbons
09/18/2003US20030176513 Fluorine-substituted alkyl phenol compounds and their uses
09/17/2003EP1244607B1 Fluidised bisphenol dust
09/17/2003CN1443137A Chemical process
09/17/2003CN1442400A Method of preparing 3,3',5,5'tetra bromo 2,2' dihydroxy diphenyl
09/17/2003CN1121367C Method for producing bis (4-hydroxyaryl) alkanes
09/17/2003CN1121366C Preparation for phenol and derivative thereof
09/16/2003US6620980 Adding acid to aqueous alkali phenate stream to produce two-phase composition comprising phenol containing organic phase and salt containing water phase, adding nonpolar solvent in specified ratio, agitating, separating layers
09/16/2003US6620979 High purity 9,9-bis-(hydroxyphenyl)-fluorene and method for the preparation and purification thereof
09/16/2003US6620939 Method for producing bisphenol catalysts and bisphenols
09/16/2003US6620908 Method for making 2,6-xylenol
09/16/2003US6620602 Biocatalytic synthesis of quinic acid and conversion to hydroquinone
09/12/2003WO2003074457A1 Process, reactor and system for preparing a bisphenol
09/11/2003US20030171625 Process for producing aromatic compounds
09/11/2003US20030168329 Contacting phenolic solvent with an anion exchange material comprising a layered double hydroxide thereby producing a purified phenol-containing product with a reduced amount of sulfonic acid compounds
09/10/2003EP1342711A2 Process for producing aromatic compounds
09/10/2003EP1341798A1 Chiral diphosphines and their metal complexes
09/10/2003EP1175384B1 Removal of salts in the manufacture of phenolic compound
09/10/2003EP1071643B1 Method for producing bis(4-hydroxyaryl)alkanes
09/09/2003US6617476 Process for producing aromatic ring alkylated phenols
09/04/2003US20030166976 Reacting phenol and ketone in presence of ion exchang resin; recovering bisphenol
09/04/2003US20030166959 Process for the separation of reaction mixtures and the recirculation of quaternary salts
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