Patents
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)
06/2004
06/22/2004US6753451 Reacting keto compound, 1,3-dioxolane, and an ammonium halide to yield a b-aminoketone; reacting with n-acetylmethylpyridinium halide; friedel-crafts alkylation
06/17/2004WO2004050593A1 Process for producing bisphenol a
06/17/2004US20040116751 Process for the synthesis of bisphenol
06/17/2004US20040116386 Resveratrol-phospholipids complexes, their preparation, and pharmaceutical and cosmetic composition containing same
06/16/2004EP1428831A1 Method of storing hydrogen, hydrogen inclusion compound and process for producing the same
06/16/2004EP1428814A1 Fluorine containing benzaldehydes
06/16/2004CN1504445A Novel process for preparing alkyl phenol
06/16/2004CN1504444A Process for separating remanent sulfuric acid catalyst from decomposition products
06/16/2004CN1153621C Method for regulating ion exchanging agents
06/15/2004US6750049 Synthesis of 1,2,3,4-tetrahydroxybenzenes and 1,2,3-trihydroxybenzenes using myo-inositol-1-phosphate synthase and myo-inositol 2-dehydrogenase
06/10/2004WO2004048430A2 Process for purifying bisphenol-a
06/10/2004WO2004048302A1 Process for the preparation of bisphenols
06/10/2004US20040110995 Reaction method utilizing diaphram type catalyst and apparatus therefor
06/10/2004US20040110992 reacting phenol and acetone in the presence of a strong acid catalyst and a bis(alkylthio)methane co-catalyst, which may be substituted; continuous process
06/10/2004US20040110847 Compounds extracted from Sap of Rhus succedanea
06/09/2004CN1502596A Process for preparing phenol by dihydroxy-benzene hydro-deoxygenation
06/08/2004US6746629 Squarylium compounds, filters for plasma display panels employing them, and plasma display panel devices
06/03/2004WO2004037893A3 Polycarbonates, polyester carbonates and polyesters containing cycloalkyl-substituted phenols in a lateral position
06/03/2004WO2003051842A3 Compositions decreasing activity of hormone-sensitive lipase
06/03/2004US20040106831 Low Sodium Cleavage Product
06/02/2004EP1424320A1 Integrated process for the preparation of phenol from benzene with recycling of the by-products
06/02/2004CN1501902A Catalyst promoter for the manufacture of polyphenols
06/02/2004CN1501900A Processes for the purification of higher diamondoids and compositions comprising such diamondoids
06/02/2004CN1500768A Method for producing 2, 2'-methylene double (4-methyl -6-tertiary butyl phenol)
06/02/2004CN1500767A Method for preparing dihydroxy-benzene
06/02/2004CN1152075C Process for preparing polyoxyethylene ether as condensation compound of styrene, phenol and formaldehyde
06/01/2004US6743888 Having protected pendant hydroxyl group capable of cross-linking with polyisocyanate; robust durable photoconductive imaging members; solvent and abrasion resistance
06/01/2004US6743290 Compositions comprising undecamantanes and processes for their separation
06/01/2004CA2094187C Process for purifying phenol
05/2004
05/27/2004US20040102517 Novel1,2-diphenylethene derivatives for treatment of immune diseases
05/27/2004US20040099605 One step; concurrent separation; forced circulation
05/26/2004EP1422521A1 Separatory agent for optical isomer
05/26/2004EP0915819B1 Illudin analogs useful as antitumor agents
05/26/2004CN1151109C Dihydroxybenzene preparing process
05/26/2004CN1151108C Phenol recovery from BPA process waste streams
05/25/2004US6740784 Process for producing bisphenol A
05/25/2004US6740694 Materials handling; fluid flow
05/25/2004US6740684 Forming oxygen and metal resistant catalyst for production of bisphenol a; partially neutralizing with alkylcarbamoyl alkylthioester
05/21/2004WO2004041758A1 New stilbene derivatives and their use as aryl hydrocarbon receptor ligand antagonistics
05/21/2004WO2004041754A2 Calixarene-based guest-host assemblies for guest storage and transfer
05/20/2004US20040097755 Ionic liquids and their use as solvents
05/20/2004US20040096566 Method for obtaining cocoa bean polyphenol extracts, resulting extracts and uses thereof
05/19/2004CN1496757A Catalyst for acid splitting aromatic hydro peroxide and method of preparing aromatic hydoxy compound by it
05/19/2004CN1150150C Process for producing bisphenol A
05/18/2004US6737551 Process for producing bisphenol A
05/13/2004WO2004039758A1 Beads of a phenolic compound and method of obtaining same
05/13/2004WO2004014832A3 Redox process particularly for the production of menadione and use of polyoxometalates
05/13/2004US20040092754 Boronation, formylation, carbonylation, carboxylation, esterification, silanation, sulfiding, bromination, iodination, and/or chlorination
05/12/2004EP1418164A1 New stilbene derivatives and their use as aryl hydrocarbon receptor ligand antagonists
05/12/2004EP1367046A9 Disubstituted lavendustin A analogs and pharmaceutical compositions comprising the analogs
05/06/2004WO2004037893A2 Polycarbonates, polyester carbonates and polyesters containing cycloalkyl-substituted phenols in a lateral position
05/06/2004WO2004037879A2 Monomers containing at least one biaryl unit and polymers and derivatives prepared therefrom
05/06/2004WO2004037759A1 Improved continuous crystallization method
05/06/2004US20040087666 Multilayer crystal structure containing guest molecule; encapsulation of a fluid; transferring; supplying hydrogen, methane as fuel
05/06/2004US20040087590 Novel biphenyl and biphenyl-like cannabinoids
05/06/2004EP1415967A1 Method for producing bisphenol-a
05/06/2004EP1415966A1 Method for continuously producing 3,3',5,5'-tetra-t-butyl-4,4'-biphenol
05/06/2004EP1414775A2 Novel bicyclic and tricyclic cannabinoids
05/05/2004CN1494524A Process for stereo selective synthesis of prostacyclin derivatives
05/05/2004CN1494522A Bisphenol compound composition with excellent thermal stability
05/05/2004CN1494521A Process for neutralization of residual acid species in crude dihydric phenols
05/05/2004CN1494457A Catalyst for mfg. of disphenol and method for mfg. disphenol using the same
05/05/2004CN1493556A Process for continuously producing 3, 3', 5, 5'-tetra-t-butyl-4, 4'-diphenol
05/05/2004CN1493555A Refining method of 2,4-ditertiary butylphenol
05/04/2004US6730816 High productivity bisphenol-A catalyst
05/02/2004WO2004011400A1 Method of deuterating aromatic ring
04/2004
04/29/2004WO2004035513A1 Novel 4,4'-dihydroxyphenyl-bicyclohexene
04/29/2004WO2004035512A1 Process for producing bisphenol a
04/29/2004WO2003009807A3 Cytoprotective compounds, pharmaceutical and cosmetic formulations, and methods
04/29/2004WO2001095899A8 Pharmaceutical compositions comprising cannabidiol derivatives
04/29/2004US20040083060 Method of operating a computer system to perform a discrete substructural analysis
04/29/2004US20040082819 Purification process of fluorenylidenediallyphenol
04/29/2004US20040082642 Novel estrogen receptor ligands and method III
04/29/2004DE10248952A1 Polycarbonate, Polyestercarbonate und Polyester mit lateral-ständigen Cycloalkyl-substituierten Phenolen Polycarbonates, polyester and polyester with permanent lateral-cycloalkyl-substituted phenols
04/28/2004EP1140755B1 Method for producing bisphenol-a
04/28/2004CN1493051A Method for operating a computer system to perform discrete substructural analysis
04/28/2004CN1491927A Process for preparing phloroglucinol
04/28/2004CN1147455C Green extraction process of high-purity tea polyphenol
04/27/2004US6727394 Continuously supplying phenol to a first-stage reactor in a continuous multi-stage fixed-bed reaction system, each reactor being filled with a cation exchange resin as catalyst, replacing spent catalyst
04/27/2004US6727393 Of quaternary salt deprotonated hydroxy aromatic acid; reactive extraction in hydroxide; circulation
04/22/2004WO2004033406A1 Chiral phenol derivative, liquid crystal medium containing said chiral phenol derivative
04/22/2004WO2004033402A1 Novel clathrate compounds
04/22/2004WO2004033084A1 Fixed-bed reactor with a fluid distributor and a fluid collector
04/22/2004US20040077906 Process for the preparation of phenol by means of the hydrodeoxygenation of benzene-diols
04/22/2004DE10346976A1 Katalysator zur Acidolyse einer aromatischen Hydroperoxyverbindung und Verfahren zur Herstellung einer aromatischen Hydroxyverbindung unter Verwendung desselben Of the same catalyst for acidolysis of an aromatic hydroperoxy and methods for producing an aromatic hydroxy compound using
04/21/2004EP1411040A1 Low sodium cleavage product in phenol production
04/21/2004EP1411039A1 Purification process of fluorenylidenediallylphenol
04/21/2004EP1411038A1 Process for the preparation of phenol by means of the hydrodeoxygenation of benzene-diols
04/21/2004EP1409443A2 Non-halogenated naphthol compounds, antimicrobial compositions containing the same, and methods of using the same
04/21/2004CN1490293A Preparation of o-phenyl phenol from cyclohexanone by condense dehydrogenation
04/21/2004CN1146472C Catalyst for catalyzing unsymmetrical hetero-Diels-Alder reaction, its preparation and application
04/20/2004US6723885 Bisphenol production
04/20/2004US6723881 Method for conditioning ion exchangers
04/15/2004WO2004031117A1 Novel bioactive diphenyl ethene compounds and their therapeutic applications
04/15/2004WO2004031113A1 Process for production of hydroxybenzoic acids
04/15/2004US20040073071 From peroxy aromatic compound using sulfur trioxide as catalyst in ketone solvent
04/15/2004DE10246657A1 Chiral phenols which induce a cholesteric phase in a nematic liquid crystal and simultaneously act as a stabilizer and are useful in electro-optical displays
04/15/2004CA2501663A1 Stilbene derivatives having an immune-modulating activity
04/14/2004EP1028110B1 Novel dihydronaphthalene compounds and process for producing the same
04/14/2004CN1489565A Method for preparing high-purity diisobutene
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