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