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)
08/1984
08/07/1984CA1172201A1 Enhanced distillation of cyclohexanol from phenol with additional cyclohexanone feed
07/1984
07/31/1984US4463199 By decompostion of 1,3,5-triisopropylbenzene trihydroperoxide
07/31/1984US4463198 One step- mixing with acid catalyst and ketone
07/31/1984US4463197 Method for purifying phloroglucin
07/24/1984US4461916 Two stage-reacting phenol with diisobutene, then phenol with dioctylphenol
07/18/1984EP0113666A1 Hydroxybenzylcyclopentadienes and derivatives thereof
07/17/1984US4460800 Process for preparation of hydroxyaryldialkylcarbinols
07/17/1984US4460799 Process for the preparation of ortho-hydroxybenzyl alcohols
07/10/1984CA1170656A1 Pharmacologically active 2-hydroxy-4- (substituted)phenyl cycloalkanes, derivatives thereof and intermediates therefor
07/05/1984WO1984002524A1 2,2,2-trihalo-1-(trihalomethyl)ethylidene-bisbenzenethiols
07/04/1984EP0112785A1 Process for the preparation of 2,3-dihydro-2,2-dimethyl-7-hydroxy benzofuran
07/04/1984EP0112723A2 The removal of phenols from phenol-containing streams
07/04/1984EP0112615A2 Process for production of 2,2-bis(4-hydroxyphenyl) propane
07/04/1984EP0112588A2 4-Hydroxy-alpha-ethyl benzhydroles, process for their preparation and medicines containing these compounds
07/04/1984EP0112587A2 Derivatives of 4-(1-(phenyl)-1-(hydroxy)-prop-1-yl)-resorcine, process for their preparation and medicines containing these compounds
07/04/1984EP0112586A2 Substituted 4'-hydroxy-alpha-ethyl benzhydroles for use as medicaments
07/04/1984EP0112530A2 Polycarbonate compositions
06/1984
06/13/1984EP0110830A1 Benzylated phenols
06/13/1984EP0110405A2 Antiinflammatory/antiallergic compounds
06/12/1984CA1169088A1 Production of pyrogallol compounds
06/05/1984US4453025 Vapor phase reaction of isophorone using heterogeneous didymium catalyst
06/05/1984US4453024 Process for the meta-hydroxylation of alkylphenols and the ethers thereof in a superacidic medium
06/05/1984US4452994 Complexing prostaglandins, steroids and subsequent decomposition
05/1984
05/29/1984US4451676 Aldehyde, secondary amine
05/29/1984US4451675 Preparation of alkylidenebis(dibromophenol)
05/29/1984US4451674 Substituted benzene derivatives having at least one benzene ring substituted by 3,3,3-trifluoropropyl group and process for their production
05/24/1984WO1984001944A1 Photochemical reactions for commercial synthesis
05/22/1984CA1167871A1 Perbromination of phenol and diphenyl ether at elevated temperature using bromine as the reaction medium
05/16/1984EP0108592A1 Leukotriene antagonists
05/08/1984US4447660 In presence of liquid superacids
05/08/1984US4447656 Solvent system for oxidative coupling process
05/08/1984CA1167069A1 Antioxidant process using formaldehyde
05/02/1984EP0107620A1 Phenol derivatives
05/01/1984US4446298 Branched copolycarbonate from triphenol
05/01/1984CA1166639A1 Pharmacologically active 4-¬2-hydroxy-4- (substituted)phenyl|naphthalen-2(1h)-ones and 2- ols, derivatives thereof and intermediates therefor
04/1984
04/24/1984CA1166271A1 Discoloration prevention of phenolic antioxidants
04/18/1984EP0105630A2 Production of para-cresol
04/18/1984EP0105487A1 Process for preparing polyacetal polymers and monomers employed therein
04/17/1984US4443635 Removal of color bodies in bisphenol production
04/17/1984US4443610 Bicyclothiazoles
04/11/1984EP0105161A1 Extraction of phenols from aqueous solutions
04/10/1984US4442119 Cyclopropyl analogs as estrogenic and anti-fertility agents
04/06/1984EP0094398A4 Dyestuff composition for histological examinations.
04/04/1984EP0105019A2 Dihydric phenol recovery process
04/03/1984US4440935 Antiallergens
03/1984
03/29/1984WO1984001146A1 Preparation of ortho-alkylated phenols using magnesium compound catalysts
03/27/1984US4439596 Sulfuryl chloride, polymerization, polyester
03/27/1984US4439595 With sulfuryl chloride, polymerization, polyester
03/27/1984US4439518 Process for the production of a photographic image
03/27/1984US4439015 Disubstituted ethanes
03/27/1984CA1164480A1 Process for the purification of 4,4' dihydroxydiphenyl
03/21/1984EP0103241A2 Process for the preparation of ortho-benzyl phenol
03/20/1984US4438284 Cobalt-containing catalyst
03/20/1984CA1163850A1 Developer solution containing phenolic or naphtholic compounds which form dyes on oxidation
03/14/1984EP0102493A2 Alkylation catalyst, process for its production and its use in the ortho-alkylation of phenols
03/07/1984EP0102314A2 Separation of resorcinol from non-extractable impurities
03/07/1984EP0102182A1 Flame retarded resin composition
03/06/1984US4435601 Oxidation with hydrogen peroxide in alkali or alkaline metal base
03/06/1984US4435301 Preparation of overbased magnesium phenates
02/1984
02/28/1984US4434305 Process for production of hydroquinone
02/21/1984CA1162572A1 Process for producing p-cresol
02/14/1984US4431849 Peroxidation of a dialkylbenzene; acid decomposition; catalytic low-temperature hydrogenation
02/14/1984US4431848 Preparation of resorcinol and substituted resorcinols by liquid-phase dehydrogenation of 1,3-cyclic diones derived by vapor-phase cyclization of delta-keto carboxylic acid esters
02/14/1984US4431847 Method for removing brominated phenolic waste
02/07/1984US4430425 Hydroquinone derivatives
01/1984
01/31/1984US4429171 Alkylation catalyst of oxides of iron, indium and chromium or silicon
01/24/1984US4427697 Antiestrogens
01/24/1984CA1161060A1 Process for the production of 2,2'-dihydroxy- biphenyls
01/18/1984EP0098395A2 A method for purification of N-methylpyrrolidone
01/17/1984US4426513 Copolymers, high molecular weight
01/17/1984US4426332 From a 1,3-cyclohexanedione and oxygen, copper catalyst, hydrogen halide or thionyl chloride, solvent
01/10/1984CA1160204A1 Catalyst and process for dehydrogenation of oxygen- containing derivatives of the cyclohexane series to corresponding cyclic ketones and/or phenols
01/04/1984EP0097551A1 Use of vanadium, niobium and tantalum peroxidic complexes as reagents and catalysts in the hydroxylation of aromatic hydrocarbons
01/04/1984EP0097175A1 Cartridge for injecting a semi-pasty product.
12/1983
12/27/1983US4423259 Process for producing phenyl-[3,3,3-trifluoropropyl)phenyl]methane
12/27/1983CA1159470A1 Substituted benzonitriles having antiviral activity
12/13/1983US4420644 Lignin hydrocracking process to produce phenol and benzene
12/13/1983US4420643 Extraction of phenols from aqueous solutions
12/13/1983US4420376 Separation of resorcinol from non-extractable impurities
12/13/1983CA1158674A1 Process for isomerizing ortho and parabromophenols or their ethers into metabromophenols and the corresponding ethers
12/13/1983CA1158673A1 Process for meta-hydroxylating alkyl phenols and their ethers in a superacid medium
12/07/1983EP0095875A2 Novel tri-phenyl alkane and alkene derivatives and their preparation and use
12/06/1983US4419528 Regioselective preparation of α- or β-naphthol
11/1983
11/29/1983US4418224 Preparation of ortho-alkylated phenols using magnesium compound catalysts
11/29/1983US4418223 Alkylation, alumina-silica catalyst
11/29/1983US4418222 Continuous phenol alkylation process
11/29/1983US4418221 Solvent extraction with a nitrogen containing heterocyclic compounds
11/29/1983US4418220 Novel indene compound and novel process for producing indene compounds
11/23/1983EP0094487A1 Hydroterphenyls, their preparation and their use in dielectric liquid crystal material
11/23/1983EP0094398A1 Dyestuff composition for histological examinations.
11/22/1983US4417076 Using as catalyst nickel, germanium and/or lead as promoter, and an inert carrier
11/15/1983US4415477 Nickel, tin as promoter and an inert carrier; hydrogenation catalyst; selectivity
11/15/1983CA1157048A1 Process for the manufacture of 4,4' dihydroxydiphenyl
11/09/1983EP0093540A2 Production of Hydroquinone
11/02/1983EP0092772A1 Process for producing aromatic hydroxy compound
10/1983
10/26/1983EP0092415A1 Preparation of overbased magnesium phenates
10/18/1983US4410739 Preparation of meta-chlorophenols by selective hydrodechlorination of polychlorophenols
10/18/1983US4410738 Noble metal catalyst, acid
10/18/1983US4410737 Halide ion, acid, noble metal catalyst
10/18/1983US4410736 Coupling of phenols with diphenoquinones