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)
04/1985
04/03/1985EP0119190A4 Catalyst composition for the Ortho-Alkylation of a phenol.
04/02/1985US4508926 For treatment of acute ethanolic intoxication
04/02/1985CA1184941A1 Process for the recovery of phenol from a reaction mixture resulting from the acid cleavage of cumene hydroperoxide
03/1985
03/27/1985EP0135069A2 Composite membrane having a surface layer of an ultrathin film of cage-shaped zeolite and processes for production thereof
03/26/1985US4507420 Lubricant oil additives; imparts photostability to polymers
03/26/1985CA1184569A1 Chemical process for the preparation of para-alkenyl phenol
03/19/1985US4506103 Process for the preparation of o-benzylphenol
03/19/1985CA1184199A1 Hydrolysis process for aryl-aliphatic ethers
03/12/1985US4504364 Phenol purification
03/05/1985US4503272 Magnesium-manganese mixed oxide catalyst
03/05/1985US4503271 Process for the production of para-vinyl phenol by dehydrogenation of para-ethyl phenol
03/05/1985US4503270 Rearrangement of 2,4,6-trimethylphenol
03/05/1985US4503266 Aromatic polyesters
03/05/1985CA1183552A1 Method of treating hydroperoxide mixtures
02/1985
02/27/1985EP0133489A2 Nematic compounds
02/19/1985CA1182839A1 Extraction of phenols from aqueous solutions
01/1985
01/30/1985EP0132367A2 Leukotriene antagonists
01/29/1985US4496774 Complex formed to separate nitrated phenolic compounds from other phenolic compounds
01/29/1985US4496773 Process for the preparation of 1,1'-bi-2-naphthols
01/23/1985EP0131897A1 High yield process for preparing 3,3',5,5'-tetraalkyl-4,4'-biphenol
01/22/1985CA1181431A1 Process for making bis(hydroxyphenyl)methanes
01/17/1985WO1985000173A1 Phenolic hydroxyl-containing compositions and epoxy resins prepared therefrom and solid compositions prepared therefrom
01/15/1985US4493719 Method of separation by fractional crystallization from a liquid mixture
01/15/1985CA1181097A1 2,2,2-trihalo-1-(trihalomethyl) ethylidene- bisbenzenethiols
01/15/1985CA1181096A1 Process for the preparation of hexafluoracetone and direct use of the solution obtained by the process
01/09/1985EP0130877A1 Process for the chlorination of aromatic compounds
01/09/1985EP0130876A1 Process for the simultaneous halogenation and fluorination of aromatic compounds
01/09/1985EP0130829A2 Rooperol and its derivatives
01/08/1985US4492807 Forming adduct with phenol and separation
01/08/1985US4492806 Anhydrous, free-flowing product
01/02/1985EP0129561A1 2,2,2-trihalo-1-(trihalomethyl)ethylidene-bisbenzenethiols.
01/02/1985EP0047781B1 Dye-forming developers
12/1984
12/27/1984EP0129065A2 Method for ortho-alkylation of hydroxyaromatic compounds
12/27/1984EP0128984A1 Process for the production of para-vinyl phenol by dehydrogenation of para-ethyl phenol
12/25/1984US4490566 Catalyst comprising zeolites
12/25/1984US4490565 Production of phenol
12/25/1984US4490564 Hydrolysis, acidification, dissolving, precipitation
12/19/1984EP0128458A2 Preparation of chlorinated phenolsand their use in controlling microbial growth
12/18/1984US4489210 Process for the halogenation of organic compounds
12/18/1984CA1179691A1 Separation of resorcinol from non-extractable impurities
12/12/1984EP0127833A2 Copper-magnesium catalyst and method for alkylation of hydroxyaromatic compounds therewith
12/11/1984CA1179374A1 Lignin hydrocracking process to produce phenol and benzene
12/05/1984EP0127208A1 Process for preparing substituted 2,3-dihydrobenzofuran
12/05/1984EP0127039A2 Catalyst derived from mixture of manganese hydroxide and magnesium-containing material
12/04/1984US4486609 Pharmacologically active 4-[2-hydroxy-4-(substituted)phenyl]naphthalen-2(1H)-ones and 2-ols, derivatives thereof and intermediates therefor
12/04/1984CA1178838A1 Photographic material including a colour coupler- containing silver halide layer and an associated hydroquinone compound
11/1984
11/28/1984EP0126193A1 Bis-(norbornyl or substituted norbornyl) derivatives of a phenol or a phenylamine, process for their preparation and compositions containing same
11/27/1984CA1178616A1 Decomposition of cumene oxidation product
11/21/1984EP0125919A2 Catechol derivatives, their production and intermediates therefor, and pharmaceutical compositions containing them
11/20/1984US4484010 Polymer antioxidant
11/20/1984US4484000 Photographic stabilizers
11/20/1984CA1178299A1 Process for the preparation of p-allylphenols
11/14/1984EP0125066A1 Production of phenol
11/14/1984EP0125065A1 Production of phenol
11/13/1984US4482758 Process for the orthomethylation of phenolic compounds
11/13/1984US4482756 Catalytic oxidation of phenol, then hydrogenation
11/13/1984US4482755 Hydrogenation of tetra-tert-alkyldiphenoquinone, dealkylation and transalkylation
11/13/1984US4482754 Oxidation of biphenols
11/13/1984US4482728 Polybutylbenzylphenols and benzyl-3,4-methylenedioxbenzenes in insect population control
11/13/1984US4482492 Preparation of vitamins K3 and K4 and derivatives
10/1984
10/31/1984EP0123233A2 Process for the preparation of substituted phenols
10/31/1984EP0123210A2 Improved method for purification of bisphenol A
10/30/1984US4480134 Process for preparing phenol and acetone from cumene
10/24/1984EP0122374A2 Process for the preparation of dihydroxybenzenes
10/23/1984CA1176662A1 STEREOSELECTIVE PREPARATION OF .alpha. AND .beta.-NAPHTHOL
10/17/1984EP0121693A2 Process for the selective preparation of dihydroxybenzenes
10/17/1984EP0121672A1 Process for the production of pyrocatechin and hydroquinone
10/17/1984EP0121671A2 Process for the preparation of dihydroxybenzenes
10/09/1984US4476329 And transalkylation of 2,6-xylenol with phenol in pressence of magnesium oxide catalyst
10/09/1984US4476328 Process for producing 3,3,3-trifluoropropyl substituted phenol
10/09/1984US4476131 Substituted hexahydropyrrolo[1,2-a]-quinolines, hexahydro-1H-pyrido[1,2-a]-q
10/09/1984CA1175795A1 Activated magnesium oxide catalysts
10/03/1984EP0120671A2 Chlorination of hydroquinone
10/03/1984EP0120404A1 Process for preparing benzal chlorides
10/02/1984US4475002 Process for preparing m-alkylhydroxybenzene
10/02/1984US4475001 Process for alkylating phenolic compounds to produce ortho- or para-monoalkylated phenols or 2,4- or 2,6-dialkylated phenols
10/02/1984US4475000 Hydrolysis of dibromobiphenyl, copper catalyst
10/02/1984CA1175445A1 Process for the preparation of pyrocatechol and hydroquinone
09/1984
09/26/1984EP0119421A1 Process for the isomerisation and transalkylation of alkylated phenols and/or phenol derivatives
09/26/1984EP0119190A1 Catalyst composition for the Ortho-Alkylation of a phenol.
09/26/1984EP0016167B1 Polycarbonate compositions having improved barrier properties
09/25/1984US4473713 Hydrolysis of aryl-aliphatic ethers
09/25/1984US4473704 Substituted dodecahydrotriphenylenes, decahydro-1H-cyclopenta[1]phenanthrenes, decahydro-1H-pyrido[1,2-f]phenanthridines and decahydropyrrolo[1,2-f]phenanthridines as CNS agents
09/12/1984EP0118377A2 Process for the production of metachlorinated phenols
09/11/1984US4470930 Preparation of nuclear chlorinated aromatic compounds
09/05/1984EP0117759A1 Polynuclear polyhydric phenols and process for preparation thereof
09/05/1984EP0117459A2 Process for preparing anhydrous salts of dihydroxy aromatic compounds
09/04/1984US4469901 Complex formed for separating isopropylated m-cresols
09/04/1984US4469900 Complex formed for separating chlorinated phenols
09/04/1984US4469899 Improved yield
09/04/1984US4469861 Polycarbonate composition from branched chain dihydric phenol
09/04/1984CA1173816A1 Fixed bed catalyst
09/04/1984CA1173780A1 Process for the preparation of pyrocatechol and hydroquinone
08/1984
08/21/1984US4467123 Process for the preparation of alkali metal diphenylates and free hydroxydiphenyls
08/21/1984US4467122 Reaction of a phenol with a ketone in presence of gaseous hydrogen halide
08/21/1984US4467121 Reacting phenol and a fluorinated aldehyde in presence of hydrogen chloride or bromide catalyst
08/21/1984US4467119 Purification of tris/1-hydroxy-3-methyl-6-tert-butyl phenyl/butane
08/14/1984US4465878 Alkali fusion of 4,4*-diphenyldisulfonic acid with potassium hydroxide and sulfate
08/14/1984US4465872 Process for producing p-cresol
08/08/1984EP0115299A1 Process for the simultaneous recovery of 4-hydroxydiphenyl and 4,4'-dihydroxydiphenyl