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)
02/2004
02/19/2004WO2004014828A1 Method of purifying bisphenol a containing phenol
02/19/2004WO2003011801A3 Process for the preparation of isopropanol
02/19/2004US20040031757 Eluting through a reactive chromatography consisting of plurality of columns
02/18/2004EP1268390B1 A process for preparing trimethylhydroquinone diacetate and trimethylhydroquinone
02/18/2004EP1086069B1 A process for the preparation of tetrabromobisphenol-a
02/18/2004CN1476423A Method for producing bisphenol-A
02/18/2004CN1475473A Low fused mass viscosity naphthol phenol aldehyde performed polymer and its synthesis method
02/17/2004US6693221 Contacting hydroxyaromatic compound with hydrogen bromide, source of copper selected from copper compounds and elemental copper, and oxygen gas
02/17/2004US6693210 Triphenylphosphine derivative, production process therefor, palladium complex thereof, and process for producing biaryl derivative
02/17/2004US6692632 Method of producing hydroxyl radicals for chemical reactions
02/12/2004WO2004013075A1 Process for the production of bisphenol-a
02/12/2004US20040030201 Crystallization; process control
02/12/2004US20040030197 Process for the synthesis of phenols from arenes
02/12/2004US20040030196 Method for producing bisphenol-a
02/12/2004US20040030195 Method for producing bisphenols
02/12/2004US20040030146 Fluorination an olefin
02/12/2004US20040029932 Glucocorticoid mimetics, methods of making them, pharmaceutical compositions, and uses thereof
02/12/2004CA2494850A1 Process for the production of bisphenol-a
02/11/2004EP1388531A1 Process for preparing fluorohalogenethers
02/11/2004CN1474796A Method for recovering material values from bisphenol tars
02/10/2004US6689921 Preparation of biphenols by oxidative coupling of alkylphenols using a recyclable copper catalyst
02/10/2004US6689920 Bifunctional biphenyl and process for producing bifunctional phenylene ether oligomer compound using the same
02/10/2004US6689464 Bisphenol-a melt and cooling gas are uniformly distributed over the cross-section of the prilling tower; lower proportion of dust; particularly clear; color stable
02/05/2004US20040023939 Phenolates-containing formulation with low freezing point
02/05/2004CA2493773A1 A method of deuteration of an aromatic ring
02/04/2004EP1385928A1 Method for purifying long-chain alkyl phenols and the mannich adducts thereof
02/04/2004EP1385810A1 Process for extracting phenol by optimization of alkali usage
02/04/2004EP1385809A1 Regeneration of catalysts used in the manufacture of bisphenols
02/04/2004EP1140753B1 Phenol recovery from bpa process waste streams
02/04/2004CN1472184A Continuous preparation of m-toluidine
02/03/2004US6686508 Process for producing bisphenol A
01/2004
01/29/2004WO2004009539A2 Method for the conversion of a z-isomer into e-isomer
01/29/2004WO2004009522A1 Decomposition of cumene oxidation product
01/29/2004WO2004009206A1 Method of extracting phenolic compounds from a residual plant material using a hydrothermal process
01/29/2004US20040019242 Method for producing bisphenol catalysts and bisphenols
01/29/2004US20040019241 Process for the production of bisphenol-A
01/27/2004US6683223 Adding water; condensing phenol with carbonyl compound
01/27/2004CA2180409C Catalyst for ortho-alkylation of phenols, a precursor thereof, and production of ortho-alkylated phenols by use of said catalyst
01/22/2004US20040015020 Treating an isomeric mixture of (Z and E)-1-(3,5-disubstituted phenyl)-2-(4- substituted phenyl) ethene with a halogen as catalyst, in organic solvent, quenching in water, reducing the halogen using reducing agent
01/22/2004US20040013601 From deposition solution which comprises homogeneously dissolved platinum group metal compound, a reducing agent, control agent selected from isopolyacids and heteropolyacids of niobium, tantalum, molybdenum, vanadium, tungsten
01/21/2004EP1381463A2 Process for producing a strong-acid cation exchange resin
01/21/2004EP1276706B1 Process for catalytic hydroxylation of aromatic compounds
01/21/2004CN1469741A Method for producing an extract from cannabis plant matter, containing a tetrahydrocannabinol and a cannabidiol and cannabis extracts
01/20/2004US6680413 Seperation of phenolic and carbocyclic alcohols-2+ from mixtures containing benzene, sulfolane and water, using brine mixtures as solvents for extraction
01/20/2004US6680270 Regeneration of catalysts used in the manufacture of bisphenols
01/20/2004CA2199280C Device for bringing pourable solids into contact with gases or liquids
01/15/2004WO2004005228A1 An hydroxytyrosol-rich composition from olive vegetation water and method of use thereof
01/15/2004US20040010166 Preparing an aryl or heteroaryl alcohol substituted by at least one electron-donating group by reacting the corresponding ether with a short chain alkanoic acid under mild conditions
01/14/2004EP1380558A1 Process for production of dimers of aromatic monohydroxyl compounds
01/14/2004EP1379490A1 Catalyst promoter for the manufacture of polyphenols
01/14/2004EP1237834B1 Bisphenol production
01/14/2004CN1468150A Supported catalyst consisting of metal of the platinum group and obtained by means of controlled electroless deposition
01/14/2004CN1468148A Supported catalyst consisting of metal of the platinum group and obtained by means of controlled electroless deposition
01/14/2004CN1467192A Continuous catalytic method for producing dihydroxy-benzene
01/14/2004CN1467191A Method for producing dihydroxy-benzene
01/14/2004CN1467190A Method for producing dihydroxy-benzene
01/14/2004CN1467189A Method for preparing dihydroxy-benzene
01/07/2004CN1466605A Process for production of aromatic polycarbonates
01/07/2004CN1465558A Compound tinct stabilizer for inhibiting phenol and alkylphenol discoloration
01/06/2004US6673975 Method for producing 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane
01/06/2004US6673974 Reacting phenol with 3,3,5-trimethylcyclohexanone, acid catalyst, neutralization, crystallization; filtrate is heated to reduce residue (industrial wastes) and to recover phenol efficiently; slurry
01/06/2004US6673973 Reacting phenol with 3,3,5-trimethylcyclohexanone, acid catalyst, neutralization, crystallization; filtrate is heated to reduce residue (industrial wastes) and to recover phenol efficiently
01/02/2004EP1375461A1 Diphenol and process for producing the same
01/02/2004EP1372808A1 Method for eliminating oxygenated organic molecules that are present in an organic effluent using alumina agglomerates
01/02/2004EP1276708B1 Process for catalytic hydroxylation of benzene
12/2003
12/31/2003CN1463961A Process for preparing phenol derivative
12/31/2003CN1132699C Titanium-silicon molecular sieve and its preparing method
12/30/2003US6670513 Isomerizing and etherifying with normal alpha-olefins
12/25/2003US20030234381 Comprising a pyridine compound, e.g., 4-(2-mercaptoethyl)-pyridine, in an amount of from 1 ppt to 10 ppm; monomer for polycarbonates and epoxy resins; discoloration inhibition; optics; optical apparatus
12/24/2003CN1463264A Method for producing aromatic compound dimer
12/24/2003CN1462733A Method for preparing compound phenolhydrocarbon sodium
12/23/2003US6667178 Extraction of phenol from a phenol containing organic stream; obtain stream, adjust hydrogen ion concentration, control feed of stream, remove phenol
12/18/2003WO2003104194A1 Method for preparing 1,3,5-triaminobenzene and hydrolyzing it into high-purity phloroglucinol
12/17/2003EP1371623A1 Process for producing bisphenol a
12/17/2003EP1175386B1 Production of phenol
12/17/2003EP1154972B1 Method and composition for hydroxylation of aromatic substrates
12/17/2003CN1462266A Process for extracting phenol by optimization of alkali usage
12/17/2003CN1131193C Method for removing metalions from cresol mixtures
12/16/2003US6664380 Catalyst for process involving carbon-carbon bond formation
12/11/2003WO2003101927A1 Compounds, compositions and methods for the treatment of amyloid diseases and synucleinopathies such as alzheimer's disease, type 2 diabetes, and parkinson's disease
12/11/2003WO2003101916A1 Method of substituent introduction through halogen-metal exchange reaction
12/11/2003US20030229256 Bifunctional biphenyl and process for producing bifunctional phenylene ether oligomer compound using the same
12/10/2003EP1369407A1 Method for obtaining purified hydroxytyrosol from products and by-products derived from the olive tree
12/10/2003EP1021391B1 Method for c-alkylating hydroxylated aromatic compounds
12/04/2003WO2003100395A1 Method of measuring the concentration of hydroperoxides of alkylaromatic hydrocarbons
12/04/2003WO2003099750A1 Method for producing dihydroxybenzenes
12/04/2003US20030225297 Process for preparing chiral diphosphines
12/04/2003US20030221948 Process for the recovery of phenol and biphenols
12/03/2003EP1367046A1 Disubstituted lavendustin A analogs and pharmaceutical compositions comprising the analogs
12/03/2003EP1367043A1 Process for producing bisphenol a
12/03/2003EP1367042A1 Process for the recovery of phenol and biphenols
12/03/2003EP1366006A1 Process for preparing phenols
12/02/2003US6657087 Process and apparatus for the work-up by distillation of cleavage product mixtures produced in the cleavage of alkylaryl hydroperoxides
12/02/2003US6656328 Process for preparation of polyhydric alcohols
11/2003
11/27/2003US20030220528 Process for preparing phenols
11/26/2003CN1458916A Method for producing bisphenol A
11/26/2003CN1128661C Device for bringing pourable solids into contact with gases or liquids
11/25/2003US6653513 Reacting phenol with acetone in the presence of ion exchange resins and acyclic mercaptans as catalysts, then separating the adducts and reusing the mother liquors to form 2,2-bis(4-hydroxyphenyl)propane having colorfastness
11/20/2003WO2003095405A1 Self-assembled calixarene-based guest-host assemblies for guest storage by van der waals confinement
11/20/2003WO2003024592A3 Improved precious metal catalyst for debenzylation
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