| 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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| 10/29/1997 | CN1163256A producing bisphenol by using modified ion exchange rerin with special porous structure as catalyst |
| 10/23/1997 | WO1997039077A1 Improvements in or relating to calixarenes |
| 10/23/1997 | WO1997039064A1 Fluorinated xanthene derivatives |
| 10/22/1997 | EP0801638A1 Process to produce tetrabromobisphenol with the reduced formation of alkyl bromide by-products |
| 10/22/1997 | CN1162931A Device for bringing pourable solids into contact with gases or liquids |
| 10/22/1997 | CN1162588A Purification of P,P-biphenolate solutions |
| 10/21/1997 | US5679557 Process of asymmetrically reducing 1-phenyl-2-oxo-propane derivatives with microorganisms |
| 10/21/1997 | US5679312 Simultaneously performing chemical reactions and separating reaction product from reactants by stripping with inert gaseous stream in reactor column having plurality of vapor-liquid contact trays connected by downcomers |
| 10/21/1997 | CA2137037C Fluorinated diazabicycloalkane derivatives |
| 10/16/1997 | WO1997037958A2 Preparation of aromatic hydroxycarboxylic acids and dialkali metal salts thereof |
| 10/15/1997 | CN1162300A Reduced methyl bromide process for making tetrabromobisphenol-A |
| 10/14/1997 | US5677336 Non-steroid androgen receptor antagonist compounds and methods |
| 10/09/1997 | WO1997036960A1 Asymmetric benzoxanthene dyes |
| 10/08/1997 | CN1161321A Method for extracting tea polyphenol and by-products from tea leaves |
| 10/07/1997 | US5675044 Depolymerization first by swelling the polymeric particles with solvent, deesterification by mixing with ammonium hydroxide |
| 10/01/1997 | CN1160704A Synthesis technology of bisphenol F |
| 10/01/1997 | CN1160703A Production of catechol |
| 09/30/1997 | US5672776 Forming an adduct with tertiary amine; cracking |
| 09/30/1997 | US5672774 Phenol tar processing method |
| 09/30/1997 | US5672574 Stabilizers for organic materials |
| 09/25/1997 | WO1997034589A1 Triaryl methane compounds for sickle cell disease |
| 09/24/1997 | EP0796834A2 Purification of p,p-bisphenolate solutions |
| 09/24/1997 | EP0796833A2 Process for the preparation of hydroxyaromatics |
| 09/24/1997 | CN1160399A Benzopyran and benzo-fused compounds, their preparation and their use as leukotriene B4 (LTB4) antagonists |
| 09/23/1997 | US5670675 Retroviral protease inhibiting compounds |
| 09/23/1997 | US5670465 Preparation of p-fuchsones and synthesis of p-dihydroxylated aromatic compounds therefrom |
| 09/23/1997 | CA1339471C Electrochemical synthesis of 2-aryl-hydroquinones |
| 09/18/1997 | WO1997033856A1 Diaromatic propynyl or dienyl compounds |
| 09/10/1997 | EP0794167A2 Optically active 1,1'-biphenanthryl-2,2'-diol, process for preparing the same, and resolving reagent comprising the same |
| 09/10/1997 | CN1158838A Method of extractive separation of diaryl carbonates and original aromatic hydroxy compounds from reaction solutions |
| 09/10/1997 | CN1158837A Manufacture of vitamin K1 |
| 09/02/1997 | US5663448 Treating alzheimer*s disease |
| 09/02/1997 | US5663413 Biphenyl iodinated derivatives and their diagnostic use |
| 08/27/1997 | EP0790859A1 Device for bringing pourable solids into contact with gases or liquids |
| 08/27/1997 | CN1157818A 1 alpha, 26-dihydroxy-D-homo-vitamin D3 |
| 08/21/1997 | WO1997030009A2 Method to prepare ortho substituted phenol |
| 08/20/1997 | EP0790231A1 Process for the extractive separation of diaryl carbonates and corresponding hydroxyaromatic compounds from reactive solutions |
| 08/20/1997 | CN1157282A Dehdyration of ion-exchange resin catalyzed reactions |
| 08/14/1997 | WO1997029066A1 Phenol compound hydroxylation method |
| 08/13/1997 | EP0788839A1 An ion exchange resin catalyst for the synthesis of bisphends and its preparation |
| 08/12/1997 | US5656619 Diphenylheteroalkyl derivatives, the preparation thereof and drugs and cosmetics prepared therefrom |
| 08/12/1997 | US5656413 Demetallization, purification by filtering through a cleaned acidic exchanging resin and anion exchange resin |
| 08/07/1997 | WO1997028116A1 Biphenyl compounds and use thereof as oestrogenic agents |
| 08/07/1997 | WO1997027846A1 Biphenyl compounds and use thereof as oestrogenic agents |
| 08/06/1997 | CN1156138A Separation of phenol |
| 08/05/1997 | US5654331 Diaromatic compounds derived from a salicylic unit and their use in human and veterinary medicine and in cosmetics |
| 07/30/1997 | EP0785930A1 Benzopyran and benzo-fused compounds, their preparation and their use as leukotriene b 4? (ltb 4?) antagonists |
| 07/30/1997 | CN1155879A Phenol with low levels of methylbenzofuran |
| 07/29/1997 | US5652345 1,2-dioxetane compound |
| 07/24/1997 | WO1997026235A1 PROCESS FOR THE PREPARATION OF para-FLUOROPHENOL |
| 07/23/1997 | EP0785181A2 Process for recovering bisphenols |
| 07/23/1997 | EP0785180A2 Process for the alkylation of hydroxyaromatic compounds |
| 07/22/1997 | US5650262 High-resolution negative photoresist with wide process latitude |
| 07/16/1997 | EP0783474A1 Compounds for the suppression of hiv tat transactivation |
| 07/16/1997 | EP0783473A1 Process for the purification of 2,6-diisopropylphenol |
| 07/15/1997 | US5648561 Process for the production of high purity and ultrapure bisphenol-A |
| 07/09/1997 | EP0782978A1 Method for preparing and purifying 1,1,1-tris(4-hydroxyphenyl)ethane |
| 07/08/1997 | US5646330 Reducing an asymmetric biaromatic ketone with an isopinocamphenylborane reducing agent |
| 07/02/1997 | EP0781749A2 Process for producing optically active benzhydrol compounds |
| 07/02/1997 | EP0781263A1 Reduced methyl bromide process for making tetrabromobisphenol-a |
| 07/02/1997 | CN1035324C Method for producing 2,6-dichlorophenol with o-chlorophenol |
| 06/26/1997 | WO1997022573A1 Improved process for the production of bisphenols |
| 06/26/1997 | CA2240028A1 Improved process for the production of bisphenols |
| 06/25/1997 | EP0780357A1 Preparation of vitamin K1 |
| 06/25/1997 | EP0780356A2 Method for preparing a solution of an alkali salt of anthrahydroquinone |
| 06/24/1997 | US5641598 Having high resistance to thermal and mechanical shock |
| 06/18/1997 | EP0779263A1 New derivatives of 2,3,6-trifluorophenol and a process for their preparation |
| 06/18/1997 | EP0558552B1 A process to obtain high-purity bisphenol a |
| 06/14/1997 | CA2192772A1 Derivatives of 2,3,6-trifluorophenol and a process for their preparation |
| 06/11/1997 | CN1151391A Process for production of phenol |
| 06/10/1997 | US5637669 Thermosetting resin; liquid crystalline polymers |
| 06/10/1997 | US5637624 Ring-substituted 2-amino-1,2,3,4-tetrahydronaphthalenes and 3-aminochromanes |
| 06/05/1997 | DE19545105A1 Selective ortho- and para-mono- or di-methylation of phenol compounds |
| 06/04/1997 | EP0592627B1 Process for high purity tetrabromobisphenol-a |
| 05/29/1997 | WO1997019044A1 Hydrochalcone derivatives, comestic compositions containing the same, and processes for the preparation of both |
| 05/22/1997 | WO1997010800A3 Antiplaque oral composition |
| 05/21/1997 | EP0773917A1 Method for preparing a meta-dihydroxylated aromatic compound |
| 05/21/1997 | CN1150139A Method for making tris (hydroxyphenyl) compounds using ion exchange resins |
| 05/20/1997 | US5631353 Alkene adamantane intermediates and the corresponding 1,2-dioxetanes |
| 05/15/1997 | WO1997017400A1 Process for improving color of basic metal organic salts and stabilizing halogen-containing polymers therewith |
| 05/14/1997 | EP0773210A1 Process for the preparation of fluorinated aromatic compounds |
| 05/14/1997 | CN1149508A Improved method for preparing ion exchanging resin as catalyst in bisphenol synthesis |
| 05/12/1997 | CA2189945A1 Process for preparing fluorinated aromatics |
| 05/09/1997 | WO1997016402A1 Method for c-alkylating hydroxylated aromatic compounds |
| 05/07/1997 | EP0771789A1 1 alpha, 26-dihydroxy-D-homo-vitamin D3 |
| 05/07/1997 | EP0771589A1 Sulfonate and mercaptan groups containing inorganic support material, process for their preparation and for their use as catalysts |
| 05/06/1997 | US5626793 Liquid-crystalline compounds |
| 05/02/1997 | EP0770591A2 Phenol tar processing method |
| 05/02/1997 | EP0770590A1 Process for the preparation of bisphenol compounds with simultaneous dehydration |
| 05/02/1997 | EP0770589A2 Process for the preparation of bisphenols using new co-catalysts |
| 05/01/1997 | WO1997015566A1 Novel oligomers, process for their preparation and methods for their use |
| 05/01/1997 | WO1997015542A1 Process for purifying a 2,6-dialkylphenol |
| 05/01/1997 | CA2235843A1 Process for purifying a 2,6-dialkylphenol |
| 05/01/1997 | CA2188634A1 1ó,26 dihydroxy-d-homo-vitamin d3 |
| 04/30/1997 | CN1148844A Method for production of phenol and its derivatives |
| 04/30/1997 | CN1148819A Catalysts for production of phenol and its derivatives |
| 04/24/1997 | DE19539141A1 New 4-(cyclic-group)-2,6-di-tert.-butyl-phenol derivatives |
| 04/23/1997 | EP0769485A1 Positive resist composition and photosensitizers |
| 04/23/1997 | EP0628019B1 Polyfluoroalkylation of aromatic compounds |
| 04/17/1997 | WO1997013569A1 Thermally-managed separation and dewatering processes for recovering acid products |