| 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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| 04/08/1998 | EP0834493A2 Process for the transport and storage of phenol |
| 04/08/1998 | CN1178213A Manufacture of bisphenol-A |
| 04/07/1998 | US5736571 Guerbet meadowfoam esters in personal care |
| 04/01/1998 | EP0832868A2 Method for purifying 1,1,1-tris (4-Hydroxyphenyl)-alkanes |
| 04/01/1998 | CN1177587A Process for dichloromethylation of palkoxy benzene |
| 03/26/1998 | DE19638888A1 Production of cyclic aromatic bis:phenol compounds |
| 03/25/1998 | CN1176959A Improved art for preparing guaiacol |
| 03/25/1998 | CN1176958A Krueger Andrzej, Tkacz Boguslaw, Pers Tatian et al. (PL) |
| 03/24/1998 | CA1339764C Basic metal salts having improved color and stability and vinyl halide polymers containing same |
| 03/19/1998 | WO1998011044A1 Process for preparing and recovering 4,4'-dihydroxy-alpha-alkylstilbene or 4,4'-dihydroxy-alpha, alpha'-dialkylstilbene |
| 03/19/1998 | WO1998011043A1 Process for preparing stilbene diols |
| 03/19/1998 | WO1998011042A2 Preparation of 4,4'-dihydroxy-alpha-alkylstilbene with reduced dimer formation |
| 03/19/1998 | WO1998011041A1 Production of 6-bromo-2-naphthol and derivatives |
| 03/19/1998 | WO1998011040A1 Production of 6-bromo-2-naphthol and derivatives |
| 03/19/1998 | CA2264914A1 Production of 6-bromo-2-naphthol and derivatives |
| 03/19/1998 | CA2264699A1 Production of 6-bromo-2-naphthol and derivatives |
| 03/18/1998 | EP0829464A2 Manufacture of bisphenol-A |
| 03/17/1998 | US5728898 Hydroquinone salts |
| 03/12/1998 | WO1998009929A1 Alkylation of organic aromatic compounds using beta zeolite catalyst |
| 03/12/1998 | DE19634406A1 Production of hydroxy-aromatic compounds |
| 03/11/1998 | EP0628022B1 Process for the preparation of polyisobutyl hydroxyaromatics |
| 03/11/1998 | EP0609455B1 Process for producing cresols |
| 03/10/1998 | US5726217 Photosensitizers for positive resists |
| 03/04/1998 | EP0826693A1 Process for preparing phosphonium phenolates |
| 03/03/1998 | US5723694 Reaction of formaldehyde with phenol and catalytic hydrogenation |
| 03/03/1998 | US5723693 Process for preparing and recovering 4,4'-dihydroxy-alpha-alkylstilbene or 4,4'-dihydroxy-alpha, alpha'dialkylstilbene |
| 03/03/1998 | US5723692 Preparation of 4,4'-dihydroxy-'alkylstiblbene with reduced dimer formation |
| 03/03/1998 | US5723691 Method for preparing ion-exchange resin for use as a catalyst in the synthesis of bisphenols |
| 03/03/1998 | US5723690 Process for the preparation of tetrabromobisphenol-A |
| 03/03/1998 | US5723689 Vacuum distillation and separation by melt crystallization for purification |
| 03/03/1998 | US5723688 Process for preparing an adduct of a bisphenol with phenolic compound |
| 02/26/1998 | WO1998007516A1 Selective introduction of active sites for hydroxylation of benzene |
| 02/26/1998 | WO1998007513A1 Improvement in benzene hydroxylation catalyst stability by acid treatment |
| 02/26/1998 | DE19633608A1 Para-cresol preparation by alkaline hydrolysis of para-chloro:toluene |
| 02/12/1998 | WO1998005623A1 A process for the preparation of 2-aryl-propionic and 2-aryl-acetic acids starting from aryl-olefins |
| 02/12/1998 | WO1998005617A1 Production of phenol by hydroxylation of benzene and reactor therefor |
| 02/12/1998 | WO1998005616A1 Preparation of phenol or phenol derivatives |
| 02/11/1998 | EP0822927A1 A process for the preparation of tetrabromobisphenol-a |
| 02/03/1998 | US5714641 Hydroxylation of phenolic compounds |
| 01/29/1998 | WO1998003456A1 Process for preparing alcohols and/or aldehydes from olefins |
| 01/29/1998 | CA2261821A1 Process for preparing alcohols and/or aldehydes from olefins |
| 01/28/1998 | CN1171389A Process for preparation of 4-hydroxybiphenyl |
| 01/27/1998 | US5712406 Oxidative carbonylation of alcohols to form carbonates |
| 01/21/1998 | EP0693957B1 A multiple stage suspended reactive stripping process and apparatus |
| 01/21/1998 | EP0662856B1 Recovery of phenol from low concentrations with sodium sulfate |
| 01/21/1998 | CN1170707A Removal of metals and color bodies from chemically recycled bisphenol-A |
| 01/20/1998 | US5710346 2,2-bis(3,5-disubstituted-4-hydroxyphenyl) propane derivative, process for production thereof, and process for producing pyrogallol using said derivative |
| 01/20/1998 | US5710292 Rhenium catalysts |
| 01/14/1998 | CN1169977A Process for mancufacture bisphenol |
| 01/13/1998 | US5707559 Chemiluminescent 1,2-dioxetane compounds |
| 01/08/1998 | DE19626309A1 Enriched para-cresol recovery from mixture with meta-cresol |
| 01/07/1998 | EP0816319A2 Removal of metals and color bodies from chemically recycled bisphenol-A |
| 01/07/1998 | EP0816318A2 Method for the preparation of 4-hydroxybiphenyl |
| 01/07/1998 | EP0816315A2 Process for recovery of dihydric phenols from thermoplastic polymers |
| 01/06/1998 | US5705714 Removal of metals and color bodies from chemically recycled bisphenol-A |
| 01/06/1998 | US5705039 Continuous distillation in oxidation resistant environment |
| 12/31/1997 | WO1997049660A1 Process for making water-soluble derivatives of quinones |
| 12/29/1997 | EP0814072A2 Process for the thermal stabilisation of bisphenols |
| 12/29/1997 | EP0813513A1 A process for the preparation of tetrabromobisphenol-a |
| 12/18/1997 | WO1997047578A1 Process for improving color of basic metal organic salts by employing c7-c17 alkyl glycidyl esters and stabilizing halogen-containing polymers therewith |
| 12/18/1997 | WO1997037958A3 Preparation of aromatic hydroxycarboxylic acids and dialkali metal salts thereof |
| 12/17/1997 | EP0812815A2 Process for manufacture of bisphenol |
| 12/17/1997 | CN1167749A Andrzej Krueger, Tatiana Pers, Boguslaw Tkacz, et al. (PL) |
| 12/16/1997 | US5698755 Process for preparing aromatic olefins using palladacycle catalysis |
| 12/16/1997 | US5698728 Alkene intermediates for preparing 1,2-dioxetanes |
| 12/16/1997 | US5698600 Process for the production of bisphenols with the use of new cocatalysts |
| 12/16/1997 | US5698142 From molten stock; concurrent mixing, cooling |
| 12/16/1997 | CA1339585C Dihydroxydiphenyl cycloalkanes, their production and their use for the production of high molecular weight polycarbonates |
| 12/10/1997 | CN1167012A Catalyst and preparation for organics hydroxylationr eaction using hydrogen peroxide as oxygen source |
| 12/09/1997 | US5696300 Propofol purification |
| 12/09/1997 | US5696295 Method for the preparation of ultra-pure bisphenol A and the use thereof |
| 12/04/1997 | WO1997045398A1 Process for producing hydroxyarenes |
| 12/03/1997 | EP0809626A1 PRODUCTION OF ENANTIOMERICALLY ENRICHED ORTHO-SUBSTITUTED $g(a),$g(a)-DIAROMATIC METHANOLS |
| 11/27/1997 | DE19620992A1 Verfahren zur Herstellung von Hydroxyarenen A process for preparing hydroxyarenes |
| 11/26/1997 | EP0808815A2 Method for the preparation of trimethylhydroquinone |
| 11/25/1997 | US5691266 Method of making a titanosilicate catalyst |
| 11/20/1997 | WO1997043042A1 Catalyst compositions of nanoparticulate metal on a refractory support |
| 11/20/1997 | WO1997030009A3 Method to prepare ortho substituted phenol |
| 11/19/1997 | CN1165133A Method for preparing trimethylhydroquinone |
| 11/19/1997 | CN1165132A Process for production of hydroxy-aromatic substances |
| 11/13/1997 | WO1997042152A1 Vitamin d analogs and methods of preparing these compounds |
| 11/05/1997 | CN1163880A Process for recovering bisphenols |
| 11/04/1997 | US5683952 Titanosilicate catalyst particle |
| 10/30/1997 | WO1997040004A1 2-hydroxy-5-alkyl-beta-methylstyrene and process of preparing hydroxyarylaldehydes therefrom |
| 10/29/1997 | CN1163257A Process for preparing and purifying 1,1,1-tri(4-hydroxyphenol) ethane |
| 10/29/1997 | CN1163256A producing bisphenol by using modified ion exchange rerin with special porous structure as catalyst |
| 10/28/1997 | CA2039193C Catalyst and process for producing |
| 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 | 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 | US5679223 Method for separating and purifying catechol mixtures |
| 10/21/1997 | CA2137037C Fluorinated diazabicycloalkane derivatives |
| 10/16/1997 | WO1997037958A2 Preparation of aromatic hydroxycarboxylic acids and dialkali metal salts thereof |
| 10/16/1997 | WO1997037957A1 A process for the preparation of calixarenes, and new calixarene compounds |
| 10/16/1997 | CA2251070A1 A process for the preparation of calixarenes, and new calixarene compounds |
| 10/15/1997 | CN1162300A Reduced methyl bromide process for making tetrabromobisphenol-A |
| 10/09/1997 | WO1997036910A1 Catalytic production of aryl alkyl hydroperoxides by polynuclear transition metal aggregates |
| 10/09/1997 | CA2250743A1 Catalytic production of aryl alkyl hydroperoxides by polynuclear transition metal aggregates |