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) |
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08/21/1980 | WO1980001688A1 Dehydrohalogenation of a diphenyl trichloroethane |
08/21/1980 | WO1980001687A1 Dehydrohalogenation of a diphenyl trichloroethane |
08/20/1980 | EP0014410A1 Process for the separation of phenol from a mixture of cresols |
08/19/1980 | CA1084062A1 Sulfur containing bisphenol antioxidants |
08/05/1980 | US4216342 Process for the purification of crude 2,4,5-trichlorophenol |
08/05/1980 | CA1083181A1 Method of removing aluminium-containing catalyst from phenol alkylation products |
08/05/1980 | CA1083060A1 Process for the continuous hydrocarbonization of coal |
07/29/1980 | US4215229 Process for alkylating phenolic compounds to produce ortho- and para-monoalkylated phenols and 2,4- and 2,6-dialkylated phenols |
07/29/1980 | US4215074 Process for preparing cis-bicyclooctylamines |
07/29/1980 | CA1082742A1 Hydroxylation of aromatic compositions |
07/23/1980 | EP0013577A2 Process for the preparation of hexahydronaphthacene derivatives |
07/23/1980 | EP0013501A1 Method of recovering resorcinol |
07/23/1980 | EP0013436A1 Process for preparing p,p'-biphenol of high purity |
07/22/1980 | US4214105 Process for the hydroxylation of phenol |
07/22/1980 | CA1082205A1 Miticidal and aphicidal 2-higher alkyl-3-hydroxy-1,4- naphthaquinone carboxylic acid esters |
07/15/1980 | US4212997 Cooling, melting, selective separation of rhombic crystals in water |
07/15/1980 | US4212822 Preparation of o-dialkylaminomethylphenols |
07/09/1980 | EP0013133A1 Process for separation of alkylphenols by azeotropic distillation |
07/09/1980 | EP0013085A1 Process for preparing pyrogallol |
07/08/1980 | CA1081259A1 Disproportionation of xylenols with phenol to form cresols |
07/01/1980 | CA1080750A1 Process for the preparation of 4,4'-dihydroxy-3,3',5,5'-tetraalkyl-diphenylalkanes |
06/25/1980 | EP0012613A1 A process for producing 3-alkylphenols and 1,3-dihydroxybenzene |
06/24/1980 | CA1080256A1 Process for the preparation of multinuclear phenols which are alkylated in the nucleus and their use |
06/17/1980 | US4208536 Hydroxylation of aromatic compounds |
06/17/1980 | US4208332 Synthesis of optically active vitamin E |
06/17/1980 | US4208331 Synthesis of optically active vitamin E |
06/17/1980 | CA1079506A1 Process for the preparation of a phenolic composition |
06/10/1980 | US4207265 Oxidation of p-isopropenylphenol |
06/10/1980 | CA1079304A1 Dehydrogenation of hydroxy-cycloaliphatic compounds |
06/03/1980 | CA1078874A1 Polyhydroxy phenols and process for their preparation |
06/03/1980 | CA1078873A1 Polyhydroxy phenols and method for preparing the same |
06/03/1980 | CA1078863A1 Process for the manufacture of resorcinols |
05/28/1980 | EP0011372A1 1-Acyloxyphenyl-1,2-diphenylalkene derivatives, processes for their manufacture and a pharmaceutical composition containing these derivatives |
05/28/1980 | EP0011296A1 Oxidative process for preparing substituted biphenols |
05/27/1980 | US4205189 Method for producing 3-alkylphenols and 1,3-dihydroxybenzene |
05/27/1980 | US4205188 Process for the production of hydroxybenzyl alcohols |
05/27/1980 | US4205187 Thermal dealkylation of 4,4*-bis/substituted phenol/ |
05/20/1980 | US4203969 Dithranol compositions for topical applications |
05/13/1980 | US4202993 Method for making substantially anhydrous alkali metal bisphenol salts |
05/13/1980 | US4202199 Manufacture of alkylphenol compounds |
05/13/1980 | CA1077522A1 Process for the preparation of thymol |
05/13/1980 | CA1077521A1 Method of producing 2,6-ditertbutyl-4-methylphenol |
05/13/1980 | CA1077520A1 Process for the preparation of 2,5-dichlorophenol |
05/06/1980 | US4201879 Vitamin e intermediate |
05/06/1980 | US4201877 Process for producing a linear trimer of paraisopropenyl phenol |
05/06/1980 | US4201726 Intermediates formed from pentadiene and epoxytetramethylpentadecane |
05/06/1980 | CA1077064A1 Process for the separation of cresol isomers |
05/06/1980 | CA1077063A1 Liquid phase methylation of ortho cresol |
05/06/1980 | CA1077062A1 Trimethylhydroquinone and a process for the preparation thereof |
04/22/1980 | US4199531 Intermediates for the production of quinones |
04/08/1980 | US4197413 Alkylation over selective zeolite, oxidation to hydroperoxide, rearrangement |
04/08/1980 | CA1075265A1 Hydrocarbon-substituted methylol phenols |
03/25/1980 | US4195189 In a molten state with an activated basic cupric oxide |
03/18/1980 | CA1073928A1 1,1,2-tris-(o/p-hydroxyphenyl)-1-phenyl-ethanes and a process for their preparation |
03/18/1980 | CA1073927A1 Trisphenols |
03/11/1980 | US4192959 Countercurrent extraction |
03/11/1980 | US4192958 Thermocracking high-boiling by-products contained in acid-cleavage product of m-diisopropylbenzene dihydroperoxide, aromatic ketone |
03/11/1980 | US4192957 Dehydrohalogenation of a diphenyl trichloroethane |
03/11/1980 | US4192956 Dehydrochlorination of 1,1,1-trichloro-2,2-bis(4-hydroxyphenyl)ethane to 1,1-dichloro-2,2-bis(4-hydroxyphenyl)ethylene with liquid ammonia and inorganic halide promoter |
03/11/1980 | US4192955 From equimolar adduct of 2,2-bis(4-hydroxyphenyl)propane and phenol, dissolving in water-miscible solvent, mixing with water, cooling to precipitate bisphenol a |
03/11/1980 | US4192954 Mixing by-products with phenol, adding anhydrous hydrogen chloride under superatmospheric pressure, isomerizing |
03/06/1980 | WO1980000348A1 Polycarbonate compositions having improved barrier properties |
03/05/1980 | EP0008322A1 Process for preparing resorcinols from delta-ketocarboxylic esters and process for regeneration of the used catalyst |
03/04/1980 | US4191843 Preparation of bisphenols |
03/04/1980 | CA1072984A1 Antioxidant |
02/20/1980 | EP0008163A1 A process for preparing cis-2-aryl-3-aminomethyl-bicyclo (2,2,2) octanes and the compounds 2-aryl-3-aminomethylidene-bicyclo (2,2,2) octanes |
02/19/1980 | US4189612 Vitamin e intermediate |
02/19/1980 | US4189610 Preparation of 4,4-dioxy-substituted stilbenes |
02/19/1980 | US4189602 Acid oxidation process |
02/19/1980 | CA1072122A1 Alkylidene-bisphenols containing sulphur, and their use as stabilisers |
02/12/1980 | US4188497 Prepared from isophorone with halogen catalyst, contacting reaction mixture with metal to remove halogen |
02/07/1980 | WO1980000150A1 Process for recovering 2,2-bis(4-hydroxyphenyl)propane from an adduct of 2,2-bis(4-hydroxyphenyl)propane and phenol |
01/23/1980 | EP0007285A1 Process for the preparation of orthohydroxy benzylic alcohols |
01/22/1980 | US4185154 Synthesis of vitamin E |
01/22/1980 | CA1070331A1 Catalytic synthesis of phenols |
01/15/1980 | CA1069938A1 PREPARING RESORCINOLS FROM .delta.-KETOCARBOXYLIC ACIDS OR FROM THEIR LACTONES |
01/09/1980 | EP0006791A1 Process for preparing 1,2,3,4-tetrahydroanthracen-9,10-diol |
01/08/1980 | US4182918 Process for the preparation of polyhydric phenols |
01/08/1980 | US4182917 Hydroquinone and pyrocatachol from phenol and a percarboxylic acid |
01/08/1980 | US4182916 Treatment of beta-naphthol with an absorbent followed by selective catalytic hydrogenation |
01/08/1980 | US4182915 Preparation of substituted aromatic compounds |
01/08/1980 | US4182838 Polycarbonate compositions having improved flame retardance and improved water vapor transmission |
01/08/1980 | US4182719 Synthesis of optically active vitamin E |
01/08/1980 | CA1069538A1 Hydroxylation of aromatic compounds |
12/25/1979 | US4180684 Process for the production of 4,4-isopropylidene-bis'(2,6-dibromophenol) |
12/25/1979 | US4180683 Formation of crystalline adduct with phenol |
12/25/1979 | US4180651 Polycarbonate composition having resistance to high heat distortion |
12/25/1979 | CA1068726A Methylation of 2,6-xylenol to produce 2,3,6-trimethylphenol |
12/04/1979 | US4177197 Cyclization substrates and 7α-substituted 19-norsteroid derivatives |
11/13/1979 | CA1066219A1 Method for purifying pentachlorophenol |
11/06/1979 | US4173541 Anitoxidants |
10/23/1979 | CA1064920A1 Process for the preparation of optically active anthracyclinones |
10/23/1979 | CA1064893A1 Catalyst composition and method for preparing the same |
10/16/1979 | CA1064521A1 2,2,6,6-tetrahalocyclohexanone |
10/09/1979 | CA1064171A1 Treatment of aqueous waste |
10/03/1979 | EP0004522A2 New compounds related to dilignols, compounds related to dilignols for use in the treatment of liver deseases and pharmaceutical compositions containing them |
10/03/1979 | EP0004447A2 Preparation of trifluoromethylphenols and novel trifluoromethylphenyl benzyl ether intermediates |
09/19/1979 | EP0004168A1 Process for the removal of hydroxyacetone from phenol |
09/18/1979 | US4168388 Intermediate for preparation of trifluoromethylphenols |
09/18/1979 | CA1062831A1 Pollution free method of making 2,6-bis (2,4-dihydroxy phenylmethyl)-4-chlorophenol tire cord dips and product |