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