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)
03/1994
03/29/1994US5298667 Process for producing phenol and methyl ethyl ketone
03/29/1994US5298649 Naphthalene derivative
03/23/1994EP0587949A1 Adsorptive separation of cresol isomers
03/23/1994EP0587776A1 Use of compositions and methods for inhibiting browning in foods and beverages
03/22/1994US5296508 Farnesylated tetrahydro-naphthalenols as hypolipidemic agents
03/22/1994US5296330 Positive photoresists containing quinone diazide photosensitizer, alkali-soluble resin and tetra(hydroxyphenyl) alkane additive
03/16/1994EP0587396A1 Use of hypoxoside derivatives for the treatment of viral infections
03/16/1994EP0587050A1 Process for the preparation of an aromatic group substituted olefins from chloroaromatics
03/16/1994EP0586608A1 Tricyclic polyhydroxylic tyrosine kinase inhibitors
03/15/1994US5294732 Polysubstituted fullerenes and their preparation
03/15/1994US5294724 4-hydroxytetrahydropyran-2-ones and the corresponding dihydroxycarboxylic acid derivatives, salts and esters and a process for their preparation
03/15/1994CA2105187A1 Process
03/09/1994EP0585267A1 Herpesvirus particles and vaccine
03/08/1994US5292970 Alkylation
03/08/1994US5292969 Preparing 1,3,5-trimethyl-2,4,6-tris(3,5-dialkyl-4-hydroxy-benzyl)benzene, acid catalyst
03/08/1994US5292748 Process for the production of substituted vinylbenzenes
03/08/1994CA2105630A1 Method of treating viral infections
03/02/1994CN1083043A Optically active phenol derivatives and preparation thereof
03/02/1994CN1083042A Process for producing highly pure phenol
03/01/1994US5290658 Positive type photoresist composition comprising polyaromatic hydroxy quinone diazide esters as the photosensitive ingredient
02/1994
02/23/1994EP0583835A1 Process for removal of tar in a phenol preparation process
02/23/1994EP0583712A2 Process for the preparation of bisphenols
02/23/1994CN1082530A Method to manufacture p-nonylphenol
02/22/1994US5288926 Process for preparing a bisphenol
02/16/1994EP0582758A1 Propenyl group-containing naphthalene derivatives and curable resin compositions containing them
02/16/1994EP0582757A1 Propenyl group-containing naphthalene derivatives and curable resin compositiona containing them
02/09/1994EP0582382A2 Optically active phenol derivatives and preparation thereof
02/09/1994CN1081665A Process for preparing bisphenol A of good heat stability
02/08/1994US5284759 Biological production of acetal or ketal substituted benzene compounds
02/01/1994US5283376 Method of phenol extraction from phenol tar
02/01/1994US5283375 Process for high purity tetrabromobisphenol-A
02/01/1994US5283374 Selected phenolic derivatives of 4-(4-hydroxyphenyl)-cyclohexanone and their use as sensitivity enhancers for radiation sensitive mixtures
02/01/1994US5283371 Oxidation of 5-bromo-2-fluorophenyl borane to 5-bromo-2-fluorophenol; etherification using alkali metal phenoxide
01/1994
01/25/1994US5281689 Polycarbonate from bis[4'-(4-hydroxyphenyl)-phenyl]alkanes
01/25/1994US5281688 Polycarbonate from 1,3-bis(4-hydroxyphenyl)-1,3-dialkylcyclohexanes
01/20/1994WO1994001388A1 Cyclobutabenzene monomers and methods of making and using same
01/20/1994WO1994001387A1 Process for producing cresols
01/19/1994EP0579576A1 2,4-Dialkyl-6-sec-alkylphenols
01/19/1994EP0579261A1 Fluorosubstituted benzene derivatives
01/19/1994EP0578863A1 Method of reducing nitrogen oxide content in gas
01/19/1994CN1080914A Process for preparing 2,2-di(4-hydroxy phenyl) propane
01/16/1994CA2100406A1 2,4-dialkyl-6-sec-alkylphenols
01/13/1994DE4222371A1 New liq. crystal cpds. with terminal chloro or mono-, di- or tri-fluoro gp. - having low viscosity, relatively high dielectric ansiotropy and nematogenity, good performance at low tenmps. and good suppression of smectic phases
01/12/1994EP0578550A1 Process for the para-hydroxyalkylation of hydroxylated aromatic compounds
01/12/1994EP0578194A2 Process for producing phenol and methyl ethyl ketone
01/08/1994CA2099058A1 Process for producing phenol and methyl ethyl ketone
01/06/1994WO1994000423A1 Cross-coupling process of boric acids with halogenated compounds
01/05/1994CN1023398C Preparation for alpha-methyl benzyl phenol
01/04/1994US5276214 Optically active biphenyl derivative and process for optical resolution
01/04/1994US5276213 Special dihydroxydiphenyl bicycloalkanes, their production and their use for the production of high molecular weight polycarbonates
01/04/1994US5276198 Process for producing 2-methyl-1,3-cyclohexanedione and 2-methylresorcinol
01/04/1994CA2099466A1 Optically active phenol derivatives and preparation thereof
01/04/1994CA1325812C Preparation of halogenated phenols
12/1993
12/30/1993CA2099681A1 Oxidation process of aromatic compounds carrying an oxidable alkyl group
12/29/1993CN1079953A Technique for producing bisphenol A adopting resin method
12/29/1993CN1079952A Process for production of cresols
12/28/1993US5274176 Producing a 4-acetyltrialkylphenol form a trialkyl hydroquinone
12/28/1993US5274141 Designed quinone- and hydroquinone-containing cyclic enediyneols and enediyneones having DNA cleaving and cytotoxic properties
12/26/1993CA2072273A1 Process
12/23/1993DE4220082A1 Linear poly:cyclic cpds. prodn. from boronic acid and halogen cpds. - by cross-coupling in aq. solvent in presence of catalyst and water-soluble borate, esp. prodn. of liquid crystal cpds. with fluoro-phenoxy gp.
12/22/1993CN1079755A Polymerization inhibitor for vinyl aromatics
12/22/1993CN1079675A A process for production of a granula of 2,2-bix(4-hydroxy phenyl) propane
12/22/1993CN1023217C Process for producing phenols
12/14/1993US5270281 Heat-sensitive recording materials and phenol compounds
12/14/1993US5269887 Process for the purification of bisphenols
12/14/1993CA1325228C Process for preparation of phenol
12/08/1993EP0573070A2 Process for purifying phenol
12/08/1993EP0460111B1 Preparation of 4-substituted aryl olefins
12/01/1993EP0572154A1 Tetrabromobisphenol a having a large particle size and process for its production
12/01/1993EP0571947A1 Method for preparing 4,4'-biphenol
12/01/1993EP0571928A1 Acyclic Tocotrienol analogs in the treatment of hypercholesterolemia and hyperlipidemia
12/01/1993EP0571447A1 Catalytic hydroxylation of phenol.
11/1993
11/30/1993US5266716 Process for the splitting of polycarbonates
11/30/1993CA2096496A1 Acyclic tocotrienol analogs in the treatment of hypercholesterolemia and hyperlipidemia
11/25/1993DE4216597A1 Poly-cyano-arylene ether(s) useful as moulding materials - prepd. by reacting di:halo-benzonitrile(s) with di:alkali di:phenolate(s), esp. those based on 1,1-bis-4-hydroxyphenyl-alkyl-cycloalkane(s)
11/24/1993EP0571042A2 Procedure for the recovery of phenol from its mixtures containing cumene and alpha-methylstyrene
11/24/1993CN1078715A Combined process for production of 1-Naphthol and Beta-Naphthol
11/23/1993US5264636 Process for producing highly pure phenol
11/23/1993US5264598 Fluorine containing epoxy resins and polyimides, nonhygroscopic
11/23/1993US5264085 Method of separating components of phenols mixture by distillation
11/16/1993US5262565 Naphthalene derivatives
11/16/1993US5262552 Reacting mevalonolactol derivative with benzene magnesium chloride derivative to obtain phenylpentanetriol compound, acylation, reduction oxidation
11/16/1993US5262016 Process for purifying phenol
11/11/1993WO1993022261A1 Polymerization inhibitor for vinyl aromatics
11/11/1993CA2118045A1 Polymerization inhibitor for vinyl aromatics
11/10/1993EP0568819A1 Process for the preparation of 3-(hydroxyphenyl)-propionaldehydes and optionally the preparation of 3-(hydroxyphenyl)-propanols
11/10/1993EP0568817A2 Process for producing highly pure phenol
11/10/1993CN1078228A Method and equipment for separating hydrogen chloride from reaction liquid of bi phenol-A
11/09/1993USRE34440 Treatment of dermatological diseases and degeneration of conjunctive tissues; antitumor agent
11/03/1993EP0567857A1 Bisphenol synthesis on modified ion-exchanger resins using especially purified carbonyl compounds
11/03/1993EP0567855A1 Method of production of highly pure bisphenol-A by fractional crystallization
11/03/1993EP0567847A1 Halogenation process in advantageous solvents
11/02/1993US5258554 Reaction of benzyl alcohol and p-chlorophenol, acid catalyst, selectivity
11/02/1993US5258548 Method for preventing coloration of aromatic isocyanate compounds
11/02/1993CA1323879C Melt processable optically anisotropic polymers
10/1993
10/27/1993EP0567338A2 Method of phenol extraction from phenol tar
10/27/1993EP0566798A1 Bisphenol a production using acid modified clay catalysts
10/27/1993CN1022560C Process for preparing high purity bisphenol A
10/26/1993US5256829 Debromination of dibromonaphthols
10/26/1993US5256809 Method for preparing a salt of 4-hydroxystyrene and for preparing 4-tertiary-butoxycarbonyloxystyrene therefrom
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