| 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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| 10/28/2004 | US20040211657 Distilling a mixture comprising 2,6-dimethylphenol and 2,4,6-trimethylanisole to yield a first light fraction enriched in 2,6-dimethylphenol, and a first heavy fraction enriched in 2,4,6-trimethylanisole, distilling the first light fraction to yield a second light fraction, and a second heavy fraction |
| 10/28/2004 | CA2521920A1 Olivetol-cyclodextrin complexes and regio-selective process for preparing delta 9-tetrahydrocannabinol |
| 10/27/2004 | EP1471045A1 Process for producing fluorene derivative |
| 10/27/2004 | EP1169287B1 Method for the oxidation of benzene and/or toluene to phenol and/or cresols |
| 10/26/2004 | US6809223 Process for stereoselective synthesis of prostacyclin derivatives |
| 10/21/2004 | WO2004018072A3 High performance continuous reaction/separation process using a liquid-solid contactor |
| 10/21/2004 | US20040209337 Synthesis of 1,2,3,4-tetrahydroxybenzenes from biomass-derived carbon |
| 10/20/2004 | EP1467958A1 Process for preparing 3,3',5,5',6,6'-hexaalkyl-2,2'-biphenols, 3,3',4,4',5,5'-hexaalkyl-2,2'-biphenols and 3,3',4,4',5,5',6,6'-octaalkyl-2,2'-biphenols |
| 10/20/2004 | CN1538945A 2,6-dimethylphenol composition |
| 10/19/2004 | US6806395 For producing 3,5- diisopropylphenol or a similar compound, which serves as an intermediate for producing anti-inflammatory agents, pesticides, etc. |
| 10/19/2004 | US6806394 Cooling of the concentrated bpa and phenol stream produces a crystalline adduct which comprises one molecule of phenol and one molecule of the desired p,p'-bpa isomer |
| 10/19/2004 | US6806304 Process for improving the shelf life of a hindered phenol antioxidant |
| 10/14/2004 | US20040204617 Solvent extraction to remove free radical of p-benzoquinone (p-benzosemiquinone) from cigarette; purification, crystallization and quantitative analysis |
| 10/14/2004 | US20040204616 reacting phenol with acetone in presence of acid catalyst |
| 10/13/2004 | EP1466884A1 Process for the preparation of resveratrol and its uses |
| 10/13/2004 | EP1465851A1 3-alkylated-5,5',6,6',7,7',8,8'-octahydro-2,2'-binaphthols and 3,3'-dialkylated-5,5',6,6',7,7',8,8'-octahydro-2,2'-binaphthols and processes for making them |
| 10/13/2004 | EP1465835A1 Preparation of non-hazardous brominating reagents |
| 10/13/2004 | EP1242347B1 Method for producing phosphonium phenolates |
| 10/13/2004 | EP0853647B1 Fluorinated xanthene derivatives |
| 10/13/2004 | CN1537090A Selective production of o-alkylphenols |
| 10/12/2004 | US6803489 Forming inclusion compound, charging into solution that is poor solvent for inclusion compound |
| 10/07/2004 | WO2004085357A1 Process for production of bisphenol a |
| 10/07/2004 | WO2004048430A3 Process for purifying bisphenol-a |
| 10/07/2004 | US20040199027 Method for preparing hydroquinones and dihydroxybiphenyl compounds from mixtures of bromophenols and benzoquinones |
| 10/06/2004 | EP1463700A2 Process for the preparation of isopropanol |
| 10/06/2004 | CN1169765C Process for producing bisphenol A |
| 10/06/2004 | CN1169764C Preparation method of benzenediol |
| 10/05/2004 | US6800787 Catalyst for acidolysis of aromatic hydroperoxy compound and process for producing aromatic hydroxy compound using the same |
| 09/30/2004 | US20040192975 Process for producing bisphenol A |
| 09/29/2004 | EP1461312A1 Method for producing quaternary salt phenolate solutions and for regenerating and recycling quaternary salt phenolate solutions from reaction mixtures |
| 09/29/2004 | EP1461154A1 Method for separating reaction mixtures and recycling of quaternary salts and bases |
| 09/29/2004 | EP1461153A1 Method for separating reaction mixtures and recycling quaternary salts |
| 09/29/2004 | EP1392630B1 Selective production of o-alkylphenols |
| 09/29/2004 | EP1239958B1 Process for conditioning ion exchange resins |
| 09/29/2004 | EP1110937B1 Process for the cleavage of bisphenol A |
| 09/22/2004 | EP1459805A1 Catalyst for bisphenol compound production and process for producing bisphenol compound with the catalyst |
| 09/22/2004 | EP1458664A1 Method and system for purifying cumene hydroperoxide cleavage products |
| 09/22/2004 | EP1458663A1 System and method for purifying cumene hydroperoxide cleavage products |
| 09/22/2004 | EP1232134B1 Method for the production of bisphenol-a |
| 09/22/2004 | CN1531518A Regeneration of catalysts used in manufacture of bisphenols |
| 09/22/2004 | CN1167661C Method and device for producing bisphenol A prills and bisphenol A prills produced according to this method |
| 09/22/2004 | CN1167660C Liquid vacuum pump seal to reduce contamination bisphernol-A |
| 09/22/2004 | CN1167659C Processes for refining phenol, preparing and refining addition of bisphenol A and phenol crystal and preparing bisphenol A |
| 09/21/2004 | US6794548 Method of producing 4,4′-biphenol |
| 09/16/2004 | WO2004078345A1 Method for producing bisphenol catalysts and bisphenols |
| 09/16/2004 | US20040181100 High productivity bisphenol-a-catalyst |
| 09/15/2004 | EP1456154A1 Process for the alkylation of aromatic compounds |
| 09/15/2004 | CN1166605C Method for restoring low-grade tea-polyphenol bio-activity |
| 09/15/2004 | CN1166604C Process for synthesizing orthophenylphenol from cyclohexanone |
| 09/15/2004 | CN1166600C Method for producing diarymethane or its derivatives |
| 09/10/2004 | WO2004076394A1 Process for recovering an adduct of a bis(4-hydroxyaryl) alkane and a phenolic compound |
| 09/09/2004 | US20040176647 Process to extract phenolic compounds from a residual plant material using a hydrothermal treament |
| 09/09/2004 | US20040176645 Process for stereoselective synthesis of prostacyclin derivatives |
| 09/08/2004 | EP1453913A2 Novel substituted alkane compounds and uses thereof |
| 09/08/2004 | EP1453813A2 IMPROVED PURIFICATION OF 4, 4'(5')-DI- i t /i -BUTYLCYCLOHEXANO-18-CROWN-6 |
| 09/02/2004 | WO2004074241A1 Process for producing alkylbenzene hydroperoxides |
| 09/02/2004 | WO2004074230A1 Process for producing phenol and methyl ethyl ketone |
| 09/02/2004 | WO2004074227A1 Process for cleavage of anf oxidation mixture comprising hydroperoxides |
| 09/02/2004 | US20040171888 Process for the preparation of bisphenols with zeolites |
| 09/02/2004 | US20040171833 Ligands for metals and improved metal-catalyzed processes based thereon |
| 08/31/2004 | US6784325 Isomerization of alkyl phenol with a solid acid catalyst |
| 08/31/2004 | US6784324 Process for producing bisphenol A |
| 08/31/2004 | US6782891 Process for the isolation of a major harmful oxidant from cigarette smoke |
| 08/31/2004 | CA2248360C Upflow fixed bed reactor with packing elements |
| 08/26/2004 | WO2004072009A1 Method of purifying phenol |
| 08/26/2004 | WO2004072008A1 Method of making high purity phenol |
| 08/25/2004 | EP1448668A1 Polymeric, phosphorous-containing compositions and their use in hydrocyanation, isomerization and hydroformylation reactions |
| 08/25/2004 | EP1448503A1 Process for preparing 3,3',6,6'-tetraalkyl-2,2'-biphenols and 3,3',6,6'-tetraalkyl-5,5'-dihalo-2,2'-biphenols |
| 08/25/2004 | CN1524067A Decomposition of organic hydroperoxides in the presence of a particulate catalyst containing highly fluorinated polymer having sulfonic acid groups and process for the manufacture of bisphenol a |
| 08/25/2004 | CN1522999A Process for continuous synthesizing octyl phenol |
| 08/19/2004 | WO2004069779A1 Method for producing 2,2'-dihydroxybiphenyls |
| 08/19/2004 | WO2004069774A2 Synthesis of 13c-labelled estrogen analogues |
| 08/19/2004 | US20040162448 Process for producing phenol and ketone using neutralizing base |
| 08/19/2004 | US20040162446 Process for low temperature cleavage of an oxidation mixture comprising hydroperoxides |
| 08/19/2004 | DE10305225A1 Verfahren zur Herstellung von 2,2'-Dihydroxy-biphenylen A process for the preparation of 2,2'-dihydroxy-biphenylene |
| 08/19/2004 | DE10304006B3 Continuous method for preparing Grignard adducts, on column of magnesium turnings through which a mixture of halide and cyclohexanone reactant is passed, optionally with direct hydrolysis and dehydration to cyclohexene derivative |
| 08/12/2004 | US20040158106 Method of purifying phenol |
| 08/12/2004 | US20040158105 Method of making high purity phenol |
| 08/12/2004 | US20040158104 Selective production of o-alkylphenols |
| 08/12/2004 | US20040158025 Chain extension ; molding materials |
| 08/10/2004 | US6774268 Substance mixture containing bisphenol A |
| 08/10/2004 | US6774267 Reacting a phenol compound with an aldehyde containing dialkoxymethyl or 1,3-dioxolan-2-yl group in presence of a base |
| 08/05/2004 | WO2004064695A1 Bromination of hydroxyaromatic compounds and further conversion to dihydroxyaromatic compounds |
| 08/05/2004 | US20040151658 Preparing hydrogen peroxide solution by reacting hydrogen and oxygen in solvent in presence of noble or group viii metal supported on halogen-free anionic resin |
| 08/05/2004 | US20040149660 Separatory agent for optical isomer |
| 08/04/2004 | EP1443020A1 Integrated process for selective oxidation of organic compounds |
| 08/04/2004 | EP1441845A1 Method for the production of particles |
| 08/04/2004 | CN1517327A Preparation method of 4,4'-diphenol |
| 08/04/2004 | CN1160295C Method for manufacturing bisphenol |
| 08/04/2004 | CN1160248C Method for hydrofenating anthraquinone compound |
| 07/29/2004 | US20040147790 Method of producing 4,4'-biphenol |
| 07/28/2004 | EP1441010A1 Fluorinated xanthene derivatives |
| 07/28/2004 | EP1440960A1 Method of producing 4,4-biphenol |
| 07/28/2004 | EP1280752B1 Method for producing 2-alkyl-3-chlorophenols |
| 07/28/2004 | CN1516686A Optimization of caustic usage |
| 07/28/2004 | CN1515531A Preparation process of meta-cresol |
| 07/27/2004 | US6768031 Reacting phenol with alpha -methylstyrene in the presence of an acidic aluminum zirconium catalyst at a temperature above 80 degree c. and isolationg p-cumylphenol form the catalyst product by distillation |
| 07/22/2004 | WO2004037879A3 Monomers containing at least one biaryl unit and polymers and derivatives prepared therefrom |
| 07/22/2004 | US20040143144 Bromination of hydroxyaromatic compounds and further conversion to dihydroxyaromatic compounds |
| 07/22/2004 | US20040143142 Process for manufacture of bisphenols |