Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 39 - Compounds having at least one hydroxy or o-metal group bound to a carbon atom of a six-membered aromatic ring
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)
05/2003
05/29/2003US20030100802 Process for preparing 3,3',5,5',6,6'-hexaalkyl-2,2'-biphenols,3,3',4,4',5,5'-hexaalkyl-2,2'-biphenols and 3,3',4,4',5,5',6,6'-octaalkyl-2,2'-biphenols
05/29/2003US20030100800 Reacting impurities in an aqueous salt phase with an oxidizing agent at a temperature and time to form water-soluble oxidized derivatives and separating
05/29/2003US20030100799 Method and system for purifying cumene hydroperoxide cleavage products
05/28/2003EP1313700A1 10-aryl-11h-benzo[b]fluorene derivatives and analogs as estrogenic compounds
05/28/2003EP1313689A1 Process for the preparation of phenylphenol compounds
05/28/2003EP1206427A4 Chiral ligands, transition-metal complexes thereof and uses thereof in asymmetric reactions
05/28/2003CN1420859A Process for preparing trimethylhydroquinone diacetate and trimethyl hydro quinone
05/22/2003WO2003042146A1 Process for the preparation of hydroxylated aromatic compounds
05/22/2003US20030096939 For use in producing phenol resins, epoxide resins or formaldehyde resins
05/22/2003US20030094594 Stable bisphenolic compositions
05/21/2003EP1311254A2 METHODS FOR TREATING SUBJECTS INFECTED WITH A HERPES VIRUS OR i NEISSERIA GONORRHEAE /i
05/21/2003EP1165222A4 Chemical partitioning agents and methods of using same
05/21/2003CN1419530A Method for producing bisphenols
05/21/2003CN1109010C Supercritical CO2 back extraction process for extraction catechin from tea extract
05/20/2003US6566560 Resorcinolic compounds
05/20/2003US6566526 Intermediates useful for the preparation of antihistaminic piperidine derivatives
05/15/2003WO2003040382A1 Process for producing optically active chroman derivative and intermediate
05/15/2003WO2003039729A1 Method for the production of particles
05/15/2003US20030092944 Method for producing 2-alkyl-3-chlorophenols
05/15/2003US20030091859 Luminescent material for organic and polymer-based electro-luminescence element and other optical elements
05/14/2003EP1309532A1 Method for obtaining cocoa bean polyphenol extracts, resulting extracts and uses thereof
05/14/2003EP1309531A1 Derivatives of 4-(trifluoromethyl)-phenol and 4-(trifluoromethylphenyl)-2-(tetrahydropyranyl) ether and method for producing the same
05/14/2003EP0788839B1 An ion exchange resin catalyst for the synthesis of bisphenols and its preparation
05/14/2003CN1418219A Glucopyranosyloxy benzylbenzene derivatives, medicinal compositions containing the same and intermediates for the prepararation of the derivatives
05/14/2003CN1418183A Process for producing bisphenol A
05/13/2003US6563009 Vasodilator cannabinoid analogs
05/13/2003US6563008 Biphenyl compounds and their use as oestrogenic agents
05/08/2003WO2003037954A1 Phenolic resin, epoxy resin, process for producing the same, and resin composition for semiconductor encapsulation material
05/08/2003WO2003000633A3 A process for the isolation of a major harmful oxidant from cigarette smoke
05/07/2003EP1307417A1 Method for producing hydroxy aromatics
05/07/2003CN1416413A Process for Producing bisphenol A
05/07/2003CN1415590A Alkyl hydroquinone as antioxidant of high temperature and its preparation method
05/06/2003US6559312 Intermediates useful for the preparation of antihistaminic piperidine derivatives
05/06/2003US6559157 Dihydronaphthalene compounds
05/06/2003US6558583 Photochromism; opthalmic lenses; protective devices; tint
05/02/2003EP1305272A2 Phenolic compounds and polymers derived therefrom
05/02/2003EP1012130B9 Hydroperoxide decomposition process
05/01/2003WO2003035592A1 Method of depolymerizing aromatic polycarbonate
05/01/2003WO2002026701A3 Ionic liquids and their use as solvents
05/01/2003US20030083530 Metal salts of hindered aromatic phenols
05/01/2003US20030083527 Method for producing aromatic alcohols, especially phenol
04/2003
04/30/2003CN1107075C Microwave process of extracting polysauharides and polyphenols from tea
04/30/2003CN1107045C Method for preparing tetrabutyl ammonium phenolate diphenol adduct
04/29/2003US6555719 Exothermic reaction provides heat; reduced fouling; pollution control
04/29/2003US6555718 Oxidatively coupling of phenols in presence of Lewis Acid catalysts
04/29/2003US6555689 Intermediates useful for the preparation of antihistaminic piperidine derivatives
04/29/2003US6554967 Method of refining dihydroxyaryl compound
04/24/2003WO2003033649A2 Hexameric complexes and their preparation
04/23/2003EP1151125A4 Biocatalytic synthesis of quinic acid and conversion to hydroquinone
04/23/2003CN1413180A Fluidised bisphenol dust
04/23/2003CN1106370C Preparation of oil soluble tea polyphenol derivative used as edible oil antioxidant
04/23/2003CN1106369C Method for producing and purifying 3-(4-hydroxyphenyl)-1,1,3-trimethylindan-5-01
04/22/2003US6552200 Intermediates useful for the preparation of antihistaminic piperidine derivatives
04/17/2003WO2003031057A1 Catalyst and method for the alkylation of hydroxyaromatic compounds
04/17/2003US20030073872 Hexameric complexes and their preparation
04/17/2003US20030073712 Antiinflamamtory agents; antiischemic agents
04/17/2003US20030073572 Containing magnesium oxide and,or iron oxide
04/16/2003EP1301452A2 Process for preparing (-)menthol and similar compounds
04/16/2003EP1153021B1 Naphthopyrans and phenanthropyrans annelated in c5-c6 with a bicyclic group, and compositions and (co)polymer matrices containing them
04/16/2003EP0942896B1 Substituted phenols and thiophenols useful as antioxidant agents
04/16/2003CN1411430A Bisphenol phenol adducts
04/16/2003CN1411429A Bis (4-hydroxyaryl) alkanes
04/16/2003CN1411428A Method for producing phosphonium phenolates
04/16/2003CN1410406A Preparation method of benzenediol
04/15/2003US6548675 1-Cyclopropylcarbonyl-2-hydroxy(optional),4-isopropylbenzene used as starting materials for 1-((2-hydroxy(optional),4-alkylphenyl)carbonylalkyl-),4-(diphenylmethyl -)piperidine derivatives; antihistamines; antiallergens; bronchodilators
04/15/2003US6548212 Use of additives in electrolyte for electrochemical cells
04/10/2003WO2003029017A1 Developer for thermal recording material and thermal recording materials
04/10/2003WO2002090303A8 Process for extracting phenol by optimization of alkali usage
04/10/2003US20030069384 Preparation of polyindanebisphenols and polymers derived therefrom
04/10/2003US20030069310 Salicylic acid salts of salmeterol
04/09/2003EP1299308A2 Chemical extraction process
04/09/2003EP0896519B1 Colorants for colouring keratin fibres
04/09/2003CN1104924C Thermally-managed separation and dewatering processes for recovering acid products
04/08/2003US6545187 Distillation of a adduct of bisphenol a and phenol
04/03/2003WO2003026632A2 Substituted phenol compounds useful for anesthesia and sedation
04/03/2003WO2002102751A3 Procees for purifying phenol
04/03/2003US20030065229 Bactericides; oxidation resistance; antiinflammatory agents; antitumor agents
04/03/2003CA2459125A1 Substituted phenol compounds useful for anesthesia and sedation
04/02/2003CN1406917A Method for extracting gossypol from cotton seed cakes, oil leaching and edible protein production
04/02/2003CN1104404C Preparation alkyl phenol with stable light color
04/01/2003US6541674 Electron-withdrawing group present on carbonyl compound is selected from fluoroalkyl derivatives, esters, including orthoesters, and nitrites and condensation is carried out in basic medium
04/01/2003US6541473 Resorcinol derivatives
03/2003
03/27/2003WO2003024909A1 Method of preparing symmetrical polyhydroxystilbenes
03/27/2003WO2003024908A1 Production of low-particulate bisphenol and use thereof in the manufacturing of polycarbonate
03/27/2003WO2003024592A2 Improved precious metal catalyst for debenzylation
03/27/2003US20030060361 Precious metal catalyst for debenzylation
03/27/2003CA2460852A1 Improved precious metal catalyst for debenzylation
03/26/2003CN1406218A Process for producing bisphenol A
03/26/2003CN1406152A Methods for preparing an alkylation catalyst, and for ortho-alkylating hydroxyaromatic compounds, and related compositions
03/25/2003CA2111358C Synthetic crystalline zeolite, its synthesis and use
03/20/2003WO2002091993A3 Estrogen receptor modulators
03/20/2003US20030055296 Purifying through a desorber column that is operating at high temperature and low pressure, distillation
03/19/2003EP1019348B1 Process for the preparation of para-fluorophenol
03/13/2003WO2002096901A3 1,3-dihydroxybenzene derivatives and colorants containing said compounds
03/13/2003US20030050514 Method for producing bisphenols
03/13/2003US20030050513 Catalyst being in the form of particles of which at least 20 weight % have a particle size less than 300 mu m
03/12/2003EP1290054A1 Glyoxal-phenolic condensates with enhanced fluorescence
03/12/2003EP1289517A2 Pharmaceutical compositions comprising cannabidiol derivatives
03/12/2003CN1402700A Initiation method of method for producing 2,2-bis (4-hydroxyphenyl) propane
03/12/2003CN1102923C Hydroperoxide decomposition process
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