Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 39 - Compounds having at least one hydroxy or o-metal group bound to a carbon atom of a six-membered aromatic ring
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)
03/1982
03/30/1982CA1120703A1 Antioxidant
03/24/1982EP0047781A1 Dye-forming developers.
03/16/1982US4319396 Method for fabricating IGFET integrated circuits
03/10/1982EP0046918A1 Process for the production of pyrocatechol and hydroquinone
03/09/1982US4319054 Process for producing pyrogallol
03/09/1982US4319053 From 2,6-dialkylphenol and aliphatic or cycloaliphatic ketone, sulfonated styrene-divinylbenzene ion exchange resin
03/09/1982US4319051 Oxidation resistance
03/03/1982EP0046678A1 Process for continuous production of cumene and/or diisopropylbenzene
03/03/1982EP0046534A1 Process for the preparation of pyrocatechol and hydroquinone
02/1982
02/24/1982EP0046405A1 Method of treating hydroperoxide mixtures
02/23/1982US4316996 Discoloration prevention of phenolic antioxidants
02/23/1982US4316985 Cyclic compounds
01/1982
01/20/1982EP0044260A2 Process for the preparation of polyphenols optionally substituted by an aldehyde group
01/12/1982US4310465 Oxidation in a nitrosodisulfonate quaternary ammonium salt
01/06/1982EP0043150A1 Pharmaceutical 2,3 -bis-hydroxybenzyl butane derivatives
01/05/1982CA1115733A1 Method for recovering resorcinol
12/1981
12/29/1981US4308406 Adding a hydroxycarboxylic acid or ester
12/29/1981US4308405 Bisphenol a from phenol and acetone, acid ion exchange resin, circulation
12/29/1981US4308404 From phenol and acetone in presence of acidic ion exchange resin
12/29/1981US4308112 Process for the isolation of pyrocatechol and hydroquinone
12/22/1981US4307024 1,1,1-Triaryl-2,2,2-trifluoroethanes and process for their synthesis
12/15/1981US4306097 3-[2-Hydroxy-4-(substituted)phenyl]-cycloalkanol analgesic agents
12/09/1981EP0041441A1 Process for the meta-hydroxylation of alkyl phenols and their ethers in super acids
12/09/1981EP0041440A1 Isomerisation of ortho- and para-homophenols or their ethers to the corresponding metabromophenols or ethers
12/08/1981US4304899 Polycarbonate compositions having improved barrier properties
12/08/1981US4304785 Dilignols and dilignol-type compounds
12/01/1981CA1113504A1 Preparation of alkylphenols
12/01/1981CA1113463A1 3-(2-hydroxy-4-(substituted)phenyl) azacycloalkanes and derivatives thereof as analgesic agents and intermediates therefor
11/1981
11/24/1981CA1113122A1 N-alkylated cresylic acids via direct alkylation in a liquid phase
11/24/1981CA1113121A1 Process for preparing pyrogallol
11/17/1981US4301307 Process for the hydroxylation of aromatic compounds
11/17/1981US4301306 Norbornenyl phenolic compounds
11/17/1981US4301088 Method of preparing benzyl alcohols by decarbonylation of formic acid esters
11/17/1981CA1112658A1 CYCLISATION SUBSTRATES CONVERTIBLE TO 7-.alpha.- SUBSTITUTED 19-NORSTEROID DERIVATIVES
11/03/1981US4298765 Purification of phenol with reduced energy consumption
10/1981
10/28/1981EP0038377A1 Process for the synthesis of ortho-cresol, 2,6-xylenol and 2,3,6-trimethyl phenol
10/27/1981CA1111452A1 Process for purification of crude resorcinol
10/21/1981EP0037856A1 Enhanced distillation of cyclohexanol from phenol with additional cyclohexanone feed
10/20/1981US4296260 Process for the preparation of phloroglucinol
10/13/1981US4294993 Crystallized from toluene
10/13/1981US4294845 1,3-Benzodioxin derivatives
10/07/1981EP0037052A1 Norbornenyl phenolic compounds
10/06/1981US4293720 Process for preparation of hydroperoxides
10/06/1981CA1110261A1 3-¬2-hydroxy-4-(substituted)phenyl|-cycloalkanone and cycloalkanol analgesic agents and intermediates therefor
10/01/1981WO1981002797A1 Dye-forming developers
09/1981
09/29/1981CA1109894A1 Method for preparing sterically hindered bis- or polyphenols
09/23/1981EP0036378A1 Process for the preparation of chlorophenols
09/22/1981US4291178 Preparation of ortho-hydroxybenzyl alcohols
09/22/1981US4291177 Process for obtaining halogenated diphenols
09/16/1981EP0035965A2 Process for the preparation of 2.2'-dihydroxybiphenyl compounds
09/08/1981US4288637 Process for preparation of aromatic hydroperoxides
09/08/1981US4288583 Molding materials
09/01/1981CA1108188A1 Preparation of cinnamyl-substituted phenols
09/01/1981CA1108185A1 Process for preparing hindered phenolic aldehydes
08/1981
08/26/1981EP0034263A2 Substituted benzonitriles and compositions for inhibiting viruses
08/25/1981US4285867 Pharmacologically active 4-[2-hydroxy-4-(substituted)phenyl]naphthalen-2(1H)-ones and 2-ols, derivatives thereof and intermediates therefor
08/25/1981CA1107762A1 Acid oxidation process
08/18/1981US4284829 Hydroxyalkyl and oxoalkyl substituted phenols as analgesics and sedatives
08/11/1981US4283574 Process for the synthesis of 2,6-xylenol and 2,3,6-trimethylphenol
08/11/1981US4283571 M-cresol
08/11/1981US4283570 Pretreatment of m-diisopropylbenzene hydroperoxide and removal of h2o, acid cleavage
08/11/1981US4283569 Hydroxyalkyl and oxoalkyl substituted phenols as analgesics and sedatives
08/11/1981US4283568 Process for the recovery of phenol from a reaction mixture resulting from the acid cleavage of cumene hydroperoxide
08/11/1981US4283567 Method for recovering resorcinol
08/05/1981EP0032976A1 A method for separating 2,6-xylenol from admixtures with meta-para-cresols, a method for methylating meta-para-cresols, and a catalyst
08/05/1981EP0032974A1 A method for the synthesis of 2,3,6-trimethylphenol
08/04/1981US4282390 Parasiticides
08/04/1981US4282248 Pinene derivatives and pharmaceutical compositions containing the same
08/04/1981CA1106412A1 Metal phenates
07/1981
07/28/1981US4281012 Hypolipemic activity
07/23/1981WO1981002012A1 New 2-amino methyl-6-halogenophenols,preparation thereof and pharmaceutical compositions thereof
07/21/1981US4280012 Detoxification using acetylene or hydrazine
07/21/1981CA1105483A1 4-[3-(substituted amino)-2-hydroxypropoxy]-5,6,7, 8-tetrahydro-1,6,7-naphthalenetriols
07/15/1981EP0031967A2 Process for preparing electrically conductive poly-aromatic polymers, their use in electrical engineering and as antistatic additives for plastics
07/14/1981US4278821 ω,ω-Bis(dialkylhydroxyphenyl) alkanols as intermediates in making effective antioxidants
07/09/1981WO1981001913A1 Method for fabricating igfet integrated circuits
07/08/1981EP0031530A1 Process for producing pyrogallol
07/07/1981US4277600 Tetraphenolic compounds and polycarbonates containing the same
07/07/1981CA1104588A1 Process for the production of colourless bis-(3,5-di- tert.- butyl-4-hydroxybenzyl)-sulphide
07/01/1981EP0031230A1 A process for recovery of resorcinol from aqueous resorcinol solution containing hydroquinone
06/1981
06/23/1981US4275247 Process for preparing an organic compound
06/23/1981US4275246 Separation of phenols
06/16/1981US4273891 Hydrocarbon-substituted methylol phenols
06/16/1981US4273623 Process for recovery of resorcin
06/16/1981CA1103277A1 Aqueous recovery of hydroquinone
06/10/1981EP0030088A1 Co-production of 2-alkanones and phenols
06/09/1981US4272635 Production of alkali metal phenates
06/09/1981US4272326 Enhanced distillation of cyclohexanol from phenol with additional cyclohexanone feed
06/03/1981EP0029695A1 Removal of phenols from phenol-containing streams
06/02/1981US4271322 Process for preparation of phenols
06/02/1981US4271083 6-Hydroxy-1,4-benzoquinone compounds
05/1981
05/26/1981US4270010 Heating an aqueous solution of p-aminophenol or a salt with an organic sulfonic acid; solvent extraction; from nitrobenzene reduction
05/26/1981CA1101892A1 Method of removing chlorodibenzo-p-dioxins from polychlorophenols
05/26/1981CA1101891A1 Process for the preparation of resorcinol or alkylsubstituted derivatives thereof
05/20/1981EP0028931A1 Process for producing resorcinol
05/20/1981EP0028910A1 Improved process for producing phenolic compounds from aralkyl hydroperoxides
05/19/1981CA1101436A1 Process for the preparation of polyhydric phenols
05/13/1981EP0028522A1 Process for producing phenolic compounds
05/12/1981CA1100999A1 Process for preparing 2-allyl phenol
05/06/1981EP0028200A1 Alkylation of 2,6-di-tert.-alkylphenols with alkanediols
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