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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04/09/2008 | EP1907120A1 Catalyst with bimodal distribution of the particles of the catalytically active material, method for the production thereof and for the regeneration thereof and the use of the catalyst |
04/08/2008 | US7355082 Method of purifying long-chain alkyl phenols and Mannich adducts thereof |
04/03/2008 | WO2008038801A1 Method of producing diol, polydiol, secondary alcohol or diketone compound |
04/02/2008 | CN101155768A Improved method for producing biphenols from monophenols |
04/02/2008 | CN101152996A Improved process of technique for producing para-xenol |
04/02/2008 | CN100378053C Method of making high purity phenol |
04/02/2008 | CN100378052C Method for producing 2,3,6,7,10,11-hexahydroxytriphenylene |
03/27/2008 | WO2008018972A3 Process for oxidizing alkylaromatic compounds |
03/26/2008 | CN101151234A Process for producing cyclopropylphenol derivative |
03/26/2008 | CN100376534C Preparation of monomer of dual functional groups containing lateral group phenylacetylene and its application |
03/26/2008 | CN100376527C Process for continuously producing 3, 3', 5, 5'-tetra-t-butyl-4, 4'-diphenol |
03/26/2008 | CN100376526C Alkylation catalyst and method for making alkylated phenols |
03/19/2008 | EP1899288A2 A process for the preparation of tetrabromobisphenol a |
03/19/2008 | CN101146753A New catalytic systems for the conversion of hydrocarbons to functionalized products |
03/19/2008 | CN101143806A Method for preparing pyrogallic acid from gallic acid in high temperature liquid state water medium by catalyst-free decarboxylating |
03/19/2008 | CN101143805A Method for separating phenols compounds from phenol-containing raw material oil |
03/18/2008 | CA2274976C Production of phenol and acetone from cumene |
03/13/2008 | WO2008030299A1 Strong-acid cation exchange resins |
03/13/2008 | WO2008029018A1 Process for the preparation of highly pure hydroquinone |
03/12/2008 | EP1896389A1 Method for the production of dronabinol from cannabidiol, using a molecular sieve |
03/12/2008 | CN101139262A Method for preparing anti-oxidant 2,2'-methano bis(4-methyl-6-tert-butyl phenol) |
03/12/2008 | CN101139261A Meta-dihydroxybenzene solid-phase fractional distillation refining process |
03/12/2008 | CN101139260A Production method for purifying 2,5-di-tert-butyl hydroquinone |
03/12/2008 | CN101139259A Method for preparing 2-isopropyl meta-dihydroxybenzene |
03/12/2008 | CN101139258A Production method for refining propofol by dynamic accumulative distillation |
03/12/2008 | CN101139257A Method for preparing phenol with carbon-dioxide by using hydrothermal technology |
03/12/2008 | CN100374404C 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 |
03/06/2008 | WO2008000957A3 Process for preparing purified hydroquinone |
03/05/2008 | CN101134766A Method for preparing high-purity maple tannin by acer ginnala leaf |
02/28/2008 | WO2008023438A1 Process for producing 1,2-dialkoxy-3-fluorobenzene |
02/28/2008 | WO2008000954A3 Process for separating and purifying hydroquinone from crude mixtures |
02/27/2008 | CN101130519A Method for producing pyridylethylthio compound, method for producing modified ion-exchanger and bisphenol comound |
02/27/2008 | CN101130486A Iron removing and crystallizating method for producing benzenediol product |
02/27/2008 | CN100371309C Hydrogenation process of hydrogen peroxide fluidized bed by anthraquinone |
02/26/2008 | US7335797 Oxidizing cumene to cumene hydroperoxide in a liquid phase in the presence of an oxidizing agent and of a basic pyridinic resin, the basic resin not releasing inorganic cations to the reaction environment; drastic reduction of dimethylphenolcarbinol byproduct; catalyst does not require a regeneration |
02/21/2008 | WO2008020112A1 Semi-finished product in the manufacture of a composition for skin or hair care |
02/21/2008 | US20080045752 utilizing cheaper substrates in form of 2- or 4-hydroxy substituted cinnamic acids; such as resveratrol; environmentally friendly |
02/20/2008 | CN101128411A Methods of purifying phenol compound |
02/20/2008 | CN101125801A Highly effective extraction method for magnolol and honokiol crude extract |
02/20/2008 | CN101125800A Technique for preparing m-cresol |
02/20/2008 | CN100369879C System and method for purifying cumene hydroperoxide cleavage products |
02/20/2008 | CN100369878C Integrated process for the production of bisphenol a from cumene hydroperoxide |
02/20/2008 | CN100369877C Integrated process for the production of bisphenol a from cumene hydroperoxide |
02/20/2008 | CN100369663C Fixed-bed reactor with a fluid distributor and a fluid collector |
02/14/2008 | US20080039631 Process For Preparing N-(Substituted Arylmethyl) -4-Substituted-4-(Disubstituted Methyl) Piperidines And Intermediates |
02/13/2008 | EP1641732B1 Process for the preparation of phenolic compounds, for separating phenol from cleavage product mixtures, and an apparatus |
02/13/2008 | CN100368367C Process for preparing 3,3',6,6'-tetraalkyl-2,2'-biphenols and 3,3',6,6'-tetraalkyl-5,5'-dihalo-2,2'-biphenols |
02/07/2008 | WO2007143239A3 Process for producing sec-butylbenzene |
02/07/2008 | US20080033217 Oxidizing sec-butylbenzene with oxygen in the presence of an added catalyst comprising tert-butyl hydroperoxide and in the absence of any other catalyst, to produce a hydroperoxide |
02/06/2008 | EP1884508A1 Process for the preparation of polyhydroxylated stilbenes via claisen condensation |
02/06/2008 | CN101119951A Modulator |
02/06/2008 | CN101117317A Process for the preparation of stilbene derivatives |
02/06/2008 | CN100366595C Process for preparing 1,2-di alkoxy-3-fluorobenzene from intermediate 2-fluoro-6-halogeno phenol |
02/06/2008 | CN100366594C Process for preparing phenol by dihydroxy-benzene hydro-deoxygenation |
02/06/2008 | CN100366593C Method and system for purifying cumene hydroperoxide cleavage products |
02/06/2008 | CN100366592C 2,3,5-trimethylphenol and preparation method for the same |
02/05/2008 | US7326815 Selective oxidation of alkylbenzenes |
01/31/2008 | WO2008012321A1 Novel process for the synthesis of (e)-stilbene derivatives which makes it possible to obtain resveratrol and piceatannol |
01/31/2008 | WO2008012108A2 Process for the preparation of polyhydroxylated stilbenes via claisen condensation |
01/31/2008 | CA2658652A1 Novel process for the synthesis of (e)-stilbene derivatives which makes it possible to obtain resveratrol and piceatannol |
01/30/2008 | EP1448503B1 Process for preparing 3,3',6,6'-tetraalkyl-2,2'-biphenols and 3,3',6,6'-tetraalkyl-5,5'-dihalo-2,2'-biphenols |
01/24/2008 | WO2008011508A1 Fluorescent xanthenes and white light fluorophores |
01/24/2008 | US20080021249 Method for removing impurities from phenol |
01/23/2008 | EP1880987A1 Process for producing cyclopropylphenol derivative |
01/23/2008 | CN101111463A Methods for preparing 1,1,1-tris(4-hydroxyphenyl)alkanes |
01/23/2008 | CN101108842A Process technique for extracting tea polyphenol from tree plant flower |
01/10/2008 | WO2008003742A1 Method and novel intermediate products for producing 3,3'-dihydroxyisorenieratine |
01/10/2008 | WO2008003737A1 Method for producing 3,3'-dihydroxyisorenieratine and novel intermediate products therefor |
01/09/2008 | EP1339660B1 Process and apparatus for the work-up by distillation of cleavage product mixtures produced in the cleavage of alkylaryl hydroperoxides |
01/09/2008 | CN201003040Y Device for regulating diphenol propane concentration in two-step crystallization and purification method |
01/09/2008 | CN101100415A Green synthetic method for phenol by directly hydroxylating benzene |
01/09/2008 | CN100360489C Method for synthesizing veratric alcohol |
01/09/2008 | CN100360488C Bis (4-hydroxyaryl) alkanes |
01/09/2008 | CN100360487C Process for cleavage of an oxidation mixture comprising hydroperoxides |
01/09/2008 | CN100360486C Method for preparing p-hydroxy-styrene |
01/03/2008 | WO2008000956A1 New form of hydroquinone and process for obtaining it |
01/03/2008 | WO2008000955A1 Method for preparing purified hydroquinone and forming same |
01/03/2008 | WO2007024572A3 Decomposition of cumene hydroperoxide |
01/02/2008 | EP1873135A1 Method for producing aqueous solution of alkali metal salt of aromatic dihydroxy compound from waste aromatic polycarbonate |
01/02/2008 | EP1871733A1 Method for producing cardanol (ii) |
01/02/2008 | CN101096336A Method for preparing terephthalyl alcohol by hydrogenation of terephthalic acid |
01/02/2008 | CN101096335A Method for preparing terephthalyl alcohol by hydrogenation of terephthalic acid |
01/02/2008 | CN101096334A Method for reclaiming oxidation sludge of terephthalic acid prepared by dimethylbenzene |
01/02/2008 | CN101096333A Method for preparing terephthalyl alcohol |
12/27/2007 | WO2007147897A1 Process for preparing optically active 2-halo-1-phenylethanol derivatives and conversion products thereof |
12/26/2007 | EP1868976A1 Method for producing cardanol (i) |
12/26/2007 | EP1868975A2 Improved method for producing biphenols from monophenols |
12/26/2007 | CN101092334A Method for preparing 2,2í»- methylene bi(4 ¿C methyl 6 ¿C tertbutyl phenol) |
12/26/2007 | CN101092332A Method for preparing methyl phenol from methylbenzene through catalytic oxidation in one step |
12/26/2007 | CN101092331A Method for synthesizing alkyl phenol by fixed bed |
12/26/2007 | CN100357241C Method for manufacturing 4-alkylphenols |
12/25/2007 | US7312368 Reacting halogen and hydroxy substituted aromatic compounds with an alkali metal or in a nitrogen base and an alcohol; hydroxyl group prevents dehalogenation; selectively retaining a halogen group on an aromatic ring |
12/25/2007 | US7312365 cleaving one or more hydroperoxides selected from s-butylbenzene hydroperoxide, cumene hydroperoxide, and combinations thereof |
12/25/2007 | US7312250 Fluorine-substituted alkyl phenol compounds and their uses |
12/23/2007 | CA2591860A1 A process for the production of polyoxyalkylene containing polyols from phenol condensation products |
12/21/2007 | WO2007126542A3 Method of purification of dihydric phenols |
12/19/2007 | EP1156815B1 Process for extracting polyphenolic antioxidants from purine-containing plants |
12/19/2007 | CN100355727C Process for producing alkylbenzene hydroperoxides |
12/18/2007 | US7309452 Phenolate-containing formulation with low freezing point |
12/12/2007 | EP1864712A2 Agglomerated zeolitic adsorbents, method for obtaining same and uses thereof |