| 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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| 07/26/2000 | CN1261340A Method for chlorinating halogenated phenols |
| 07/25/2000 | US6093836 1,3-diphenylpropane derivatives having inhibitory activity against tyrosinase and process for preparation thereof |
| 07/25/2000 | US6093517 Consists of a radiation sensitive acid generator, a polymeric binder and a dissolution inhibitor consists of a calix(4)resorcinarene partially or wholly protected with acid-labile protecting groups |
| 07/20/2000 | WO2000041989A1 Method for hydroxylating phenolic compounds |
| 07/19/2000 | EP1019352A1 Improved metal-ligand complex catalyzed processes |
| 07/19/2000 | EP1019348A1 PROCESS FOR THE PREPARATION OF para-FLUOROPHENOL |
| 07/19/2000 | CN1260342A Method for removing organic and/or inorganic acids from splitting product phase |
| 07/19/2000 | CN1054619C Process for preparing phenolic binder |
| 07/18/2000 | CA2058646C Process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid |
| 07/13/2000 | WO2000040566A1 Process for the separation of a component from a gaseous medium and a device for carrying out the process |
| 07/13/2000 | WO2000040534A1 Salicylaldoximes and method of preparation |
| 07/13/2000 | WO2000040533A1 Method and device for producing bisphenol a prills and bisphenol a prills produced according to this method |
| 07/13/2000 | WO2000040531A1 Phenol recovery from bpa process waste streams |
| 07/13/2000 | WO2000010958A9 Vitamin d3 mimics |
| 07/13/2000 | DE19900387A1 Verfahren zur Entfernung von organischen und/oder anorganischen Säuren aus Spaltproduktphasen A process for the removal of organic and / or inorganic acids from the cleavage product phase |
| 07/13/2000 | DE19900221A1 Verfahren und Vorrichtung zur Herstellung von Bisphenol-A-Prills und danach hergestellte Bisphenol-A-Prills Method and apparatus for the production of bisphenol-A prills and bisphenol-A prills then prepared |
| 07/13/2000 | DE19858967C1 Flüssige Formulierung von Tetrabutylammoniumphenolat Liquid formulation of tetrabutylammonium |
| 07/12/2000 | EP1018501A1 Process for the removal of organic and/or inorganic acids from splitting products |
| 07/12/2000 | CN1259507A Method for prodn. of phenol and acetone by acid-catalysed cleavage of cumene hydroperoxide |
| 07/06/2000 | WO2000039060A1 Method for producing bisphenol-a |
| 07/06/2000 | WO2000039059A1 Synthesis of bisphenols |
| 07/05/2000 | EP1016644A1 Process for the preparation of phenol and acetone by acid catalyzed cleavage of cumene hydroperoxide |
| 07/05/2000 | CN1054143C 2,4-dimethyl-6-para-alkylphenol |
| 07/04/2000 | US6084137 Process for the preparation of tetrabromobisphenol-A |
| 07/04/2000 | US6084136 Flowing gaseous bromine reactant into aqueous liquid reaction mass containing bisphenol a and low content of hydrogen bromide; discoloration inhibition, by-product inhibition |
| 07/04/2000 | US6083864 Reacting under hydrothermal condition silicon derivatibe, titanium derivative, gallium derivative, nitrogenous organic base, and alkali or alkali earth metal salts and/or hydroxides with oligomeric silica/gallium-titanium silicate |
| 06/29/2000 | WO2000037414A1 Recovery of hydroxyaromatic compound from aqueous extract solutions |
| 06/29/2000 | WO2000037402A1 Liquid tetrabutyl ammonium phenolate formulation |
| 06/28/2000 | EP1012130A2 Hydroperoxide decomposition process |
| 06/28/2000 | EP1011861A1 Process for the preparation of a catalytic microcomposite from a silicate and a highly fluorinated ion exchange resin |
| 06/21/2000 | DE19858770A1 Verfahren zur Herstellung von Phenol und Aceton durch säurekatalysierte Spaltung von Cumolhydroperoxid A process for the production of phenol and acetone by acid-catalyzed cleavage of cumene hydroperoxide |
| 06/21/2000 | CN1257075A Method for preparing phosphate ester |
| 06/20/2000 | US6077979 Contacting in an aqueous medium at a temperature of about 0-100 degrees c. 2,4-dimethylphenol, persulfate anion, and a catalytically effective amount of iron or an iron compound. |
| 06/20/2000 | US6077970 Carboxylic acid esters of 2-hydroxy-5-isoalkyl-beta-methylstyrene |
| 06/15/2000 | WO2000034218A1 Process for purification of 2,6-diisopropyl phenol |
| 06/14/2000 | EP1008584A1 Process for the preparation of diesters of trimethylhydrochinone and of trimethylhydrochinone |
| 06/14/2000 | CN1053435C Method for extracting tea polyphenol and by-products from tea leaves |
| 06/14/2000 | CN1053389C Micro-porous resin encased nm-particle catalyst for synthesizing benzenediol by hydroxylation of phenol with hydrogen peroxide |
| 06/07/2000 | CN1255915A Method for processing mother liquors from prodn. of bisphenol |
| 06/06/2000 | US6071848 Oxidation with hydrogen peroxide in the presence of a catalyst comprising iron, administered as an inorganic salt, carboxylic acid of an aromatic compound containing nitrogen |
| 05/31/2000 | CN1255113A Method for continuous production of dihydroxydiphenylalkanes |
| 05/31/2000 | CN1255112A Method for continuous production of dihydroxydiarylalkanes |
| 05/31/2000 | CN1254703A Processes for refining phenol, preparing and refining addition of bisphenol A and phenol crystal and preparing bisphenol A |
| 05/30/2000 | CA1341002C High tbn, low viscosity, group ii metal overbased sulfurized alkylphenols |
| 05/25/2000 | DE19853491A1 Single stage production of phenol by catalytic hydroxylation of benzene using an amorphous, microporous mixed oxide obtained by hydrolysis and then co-condensation of metal salts or alkoxides |
| 05/24/2000 | CN1253940A Method for extracting tea-polyphenol from tea |
| 05/24/2000 | CN1052714C Method for preparing ortho-methylated phenol compounds |
| 05/23/2000 | US6066767 Adding a water-salt solution to extractor during extraction stage; then adding an alkaline agent, converting hydroxyacetone and carbonyl compound impurities into deep condensation products, purifying products |
| 05/17/2000 | EP1000004A2 Method for producing tetrabutyl ammonium phenolate diphenol adduct |
| 05/17/2000 | EP0973712A4 PROCESS FOR THE MANUFACTURE OF TETRABROMOBISPHENOL-A WITH CO-PRODUCTION OF n-PROPYL BROMIDE |
| 05/16/2000 | US6063968 Method for the production of trimethylhydroquinone |
| 05/10/2000 | CN1052173C Method to treat an ion-exchanger catalyst for the process to synthesize alkyl phenols |
| 05/09/2000 | CA1340989C Chemiluminescent 1, 2-dioxetane compounds |
| 05/02/2000 | US6057483 High selective method of phenol and acetone production |
| 04/27/2000 | WO2000023410A1 Method for the production of bis(4-hydroxyaryl)alkanes |
| 04/27/2000 | WO2000023408A1 Process for producing bisphenol a |
| 04/27/2000 | WO2000023377A1 Method for preparing a mel-type titanium silicalite, resulting product and uses in catalysis |
| 04/27/2000 | WO2000023185A1 Method for preparing an mfi-type titanozeosilite, resulting product and uses in catalysis |
| 04/26/2000 | EP0995737A1 Process for producing 3,3,5-trimethylcyclohexylidenebisphenols |
| 04/26/2000 | EP0994836A1 Method for producing and purifying 3-(4-hydroxyphenyl)-1,1,3-trimethylindan-5-ol |
| 04/26/2000 | EP0994835A1 A process for the preparation of para-fluorophenol |
| 04/26/2000 | CN1251361A Process for extracting resveratrol from Chinese medicine giant knotweed root |
| 04/26/2000 | CN1251360A Method for preparing high-purity methyl natphthol by high-purity methyl naphthylamine |
| 04/20/2000 | DE19848026A1 Production of bis(4-hydroxyaryl)alkane, useful in production of polymer, e.g. polycarbonate or epoxide, involves using circulating inert gas for stripping aromatic hydroxyl compound from adduct |
| 04/19/2000 | EP0993430A1 Method for preparing and purifying 3-(4-hydroxyphenyl)-1,1,3-trimethylindan-5-ol |
| 04/19/2000 | EP0993429A1 Method for producing and purifying 3-(4-hydroxyphenyl)-1,1,3-trimethylindan-5-ol |
| 04/19/2000 | EP0993428A1 Method for chlorinating halogenated phenols |
| 04/19/2000 | CN1051542C Method for extracting natural anti-oxidation agent tea-polyphenol |
| 04/18/2000 | US6051658 A polystyrene having mercaptosulfonic acid residue, useful as catalyst |
| 04/18/2000 | US6051528 On catalyst support |
| 04/13/2000 | WO1999064129A3 Process for preparing hydroxylated aromatics by hydrogen and oxygen |
| 04/12/2000 | EP0991656A1 Method for producing phosphonium phenolates |
| 04/11/2000 | US6049015 Method for C-alkylating hydroxylated aromatic compounds |
| 04/11/2000 | US6049014 Process for the manufacture of tetrabromobisphenol-A with co-production of n-propyl bromide |
| 04/11/2000 | CA1340952C Chemiluminescent 1,2-dioxetane compounds |
| 04/05/2000 | EP0990633A1 PROCESSES FOR PRODUCING p-SUBSTITUTED PHENOLS |
| 04/05/2000 | EP0854850B1 Low metal ion containing 4,4'-(1-(4-(1-(4-hydroxyphenyl)-1-methylethyl)phenyl)ethylidene)bisphenol and photoresist compositions therefrom |
| 04/05/2000 | CN1051072C Process for extracting tea polyphenol from tea |
| 03/30/2000 | DE19814555C1 Verfahren zum Entfernen von Metallionen aus Kresolgemischen A method for removing metal ions from cresol mixtures |
| 03/29/2000 | EP0988268A1 Method for removing metal ions from cresol mixtures |
| 03/29/2000 | EP0988262A1 Bromination process |
| 03/29/2000 | CN1050828C Method of dephenolization for preparing high quality polycarbonic ester grade bisphenol A |
| 03/23/2000 | WO2000015589A1 Liquid vacuum pump seal to reduce contamination in bisphenol-a |
| 03/22/2000 | CN1248260A Production of phosphate esters |
| 03/22/2000 | CN1247850A Method for removing organic acid and/or inorganic acid from organic phase |
| 03/21/2000 | US6040484 Phenol compound hydroxylation method |
| 03/21/2000 | US6039955 Plant extracts as antiinflammatory agents |
| 03/16/2000 | WO2000014044A1 Method for producing bis(4-hydroxyaryl)alkanes |
| 03/16/2000 | WO2000014043A1 Purification of alkylated phenols by melt crystallization |
| 03/16/2000 | WO2000014042A1 High selective method of phenol and acetone production |
| 03/16/2000 | WO1999043636A3 Disubstituted lavendustin a analogs and pharmaceutical compositions comprising the analogs |
| 03/15/2000 | EP0984913A1 Method for continuous production of dihydroxydiarylalkanes |
| 03/15/2000 | EP0984912A1 Method for continuous production of dihydroxydiphenylalkanes |
| 03/14/2000 | US6037503 Process for the preparation of para-fluorophenol |
| 03/09/2000 | WO2000012455A1 A method for preparing bisphenol a |
| 03/08/2000 | EP0871527A4 Thermally-managed separation and dewatering processes for recovering acid products |
| 03/08/2000 | CN1246841A Hydroperoxide decomposition process |
| 03/07/2000 | US6034282 Method of phenol tar desalting |
| 03/07/2000 | US6033635 Method and system for bisphenol a production using water |
| 03/02/2000 | WO2000010958A1 Vitamin d3 mimics |