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) |
---|
07/03/1990 | US4939306 Preparation process of 4,4'-biphenol, precursor of same and preparation process of precursor |
07/03/1990 | US4939178 Use of avarol for the control of adult T-cell leukemia/lymphoma |
07/03/1990 | US4939177 Use of avarol for the control of AIDS and ARC |
07/03/1990 | US4938790 Herbicidal 12-substituted 12H-dibenzo(D,G)(1,3)dioxocin-6-carboxylic acids |
06/28/1990 | CA2006468A1 Naphthalene derivatives |
06/27/1990 | EP0374692A2 Use of hydroxycarboxylic acids as stabilizers for bisphenols |
06/27/1990 | EP0374379A1 Process for the simultaneous dealkalization and desulphurization of phenols |
06/27/1990 | CN1043311A Certain 2-(2',3,'4'-trisubstituted benzoyl)-1,3-cyclohexanediones |
06/26/1990 | US4937392 Process for preparing 4,4'-dihydroxydiphenylmethane |
06/26/1990 | CA1270849A1 Process for producing highly pure 2,6- diacetoxynaphthalene |
06/22/1990 | CA2006360A1 Stabilizer for bisphenols and process of using same |
06/20/1990 | EP0373730A1 Process for purifying bisphenols |
06/20/1990 | EP0373728A1 Process for continuous purification of bisphenols |
06/20/1990 | EP0373668A2 A process for the synthesis of ortho-methylated hydroxyaromatic compounds |
06/20/1990 | CN1043120A Preparation of cumene through alkylation of aromatic compound and preparation phenol through cumene |
06/19/1990 | US4935560 Novel tetrahydronaphthalene & indane derivatives |
06/19/1990 | US4935553 Process for preparing bisphenol A |
06/19/1990 | CA2004601A1 Process for the simultaneous removal of bases and sulphur from phenois |
06/13/1990 | EP0372282A2 Process for the preparation of 1,5-dihydroxy and 1,5 diaminonaphthalene |
06/13/1990 | EP0371995A1 Process for producing phenylhydroquinones. |
06/13/1990 | CN1042897A Alkylation of polycyclic aromatic compounds to alkylates enriched in para-substituted isomers |
06/12/1990 | US4933511 Organometallic catalysts |
06/12/1990 | US4933509 Using surface treated magnesium oxide catalyst |
06/12/1990 | US4933507 Method of dehydrogenating cyclohexenone |
06/12/1990 | US4933506 Process for the production of dihydric phenols |
06/12/1990 | US4933475 Pharmacologically active 4-[2-hydroxy-4-(substituted)phenyl]naphthalen-2(1H)-ones and 2-ols, derivatives thereof and intermediates therefor |
06/06/1990 | EP0371738A2 Preparation of phenol through cumene |
06/05/1990 | US4931594 9,9-bis/4-hydroxyphenyl/fluorene by reacting phenol with fluorenone; acidic cationic exchange resin catalyst |
05/31/1990 | WO1990005712A1 Certain 2-(2',3',4'-trisubstituted benzoyl)-1,3-cyclohexanediones |
05/30/1990 | EP0370729A1 Process for producing isopropylnaphthols |
05/30/1990 | EP0370555A2 A process for the separation of a phenol |
05/30/1990 | EP0370343A1 Method for the production of 4-methyl-2-cyclohexylphenol |
05/29/1990 | US4929771 Process for the preparation of alkyl-substituted phenols or naphthols |
05/29/1990 | US4929770 Distillation, solidification, filtration |
05/29/1990 | US4929762 Process for producing a phenol and/or a cyclohexanone |
05/29/1990 | CA1269667A1 .alpha.-SUBSTITUTED 3,3,3-TRIFLUORO-2,2-DICHLORO-1- PROPANOLS AND THE PREPARATION THEREOF |
05/23/1990 | EP0368866A1 Aryl substituted naphthalene, benzoxepine, benzazepine, benzocycloheptene derivatives |
05/23/1990 | CA2003558A1 Process for the separation of a phenol |
05/22/1990 | US4927979 Process for the preparation of p-ethylphenol |
05/22/1990 | US4927978 Forming adduct crystals of a bisphenol and a phenol |
05/22/1990 | US4927973 Crystallization |
05/22/1990 | US4927956 Or 4-hydroxystyrene derivatives |
05/17/1990 | WO1990003979A3 Anti-androgen compounds |
05/17/1990 | DE3918762A1 Prepn. of cumyl:phenol or methyl derivs. from e.g. phenol - on cation-exchanger and anion-exchanger, after pre-activation of phenol and cation-exchanger |
05/17/1990 | DE3837090A1 Films made from aromatic polycarbonates |
05/16/1990 | EP0368604A2 New diamino and dinitro compounds and a process for preparing the diamino compounds |
05/16/1990 | EP0368429A2 Fluor-substituted benzene derivatives |
05/16/1990 | EP0367944A2 Ether derivative of 4-[3H] -quinazolinone, a process for the preparation thereof, and pharmaceutical compositions |
05/16/1990 | EP0367869A1 Tetrabromobisphenol-A process |
05/09/1990 | EP0367408A2 Method for production of phenol/acetone from cumene hydroperoxide |
05/08/1990 | CA1268782A1 Process for the preparation of tribromotetramethylbiphenol and related compounds |
05/01/1990 | US4922031 Biphenyldisulfonic acid, alkali metal hydroxide |
05/01/1990 | US4921994 Pharmacologically active 2-hydroxy-4-(substituted) phenyl cycloalkanes and derivatives thereof |
04/28/1990 | CA2001054A1 Clathrate compound and process for stabilizing diethyltoluamide |
04/25/1990 | EP0364808A2 Process for preparing dihydroxydiaryl alkanes |
04/25/1990 | EP0364548A1 Octafluorobiphenyls. |
04/25/1990 | CN1041581A Phenol preparation process and propylene recovery therefrom |
04/19/1990 | WO1990003979A2 Anti-androgen compounds |
04/19/1990 | DE3844633A1 Dihydroxydiphenylcycloalkanes, their preparation, and their use for the preparation of high-molecular-weight polycarbonates |
04/18/1990 | EP0364378A1 Process for the preparation of methyl hydroquinone |
04/18/1990 | EP0363801A2 Process for making 3,5-dialkyl-4-hydroxybenzyl-substituted aromatics |
04/18/1990 | EP0363458A1 2,3-difluorobenzenes. |
04/17/1990 | US4918245 Process for preparing bisphenol A |
04/11/1990 | EP0363128A2 Anti-androgen compounds |
04/11/1990 | EP0362318A1 2,3-difluorobiphenyls. |
04/11/1990 | CN1041151A Dihydroxydiphenyl cycloalkanes, their production and their use for producing high molecular weight polycarbonates |
04/07/1990 | CA2000276A1 Fluorosubstituted benzene derivatives |
04/04/1990 | EP0361755A2 Phenol preparation process and propylene recovery therefrom |
04/04/1990 | EP0361438A2 Polyalkenylphenol compound |
04/04/1990 | EP0361067A1 Disubstituted naphthalines, preparation processes and their herbicidal use |
04/04/1990 | EP0360874A1 Process for preparing para-cumylphenol |
04/04/1990 | EP0172849B1 Melt processable optically anisotropic polymers |
04/04/1990 | CN1040980A Method and compositions providing enhanced chemiluminescence from 1,2-dioxetanes |
04/03/1990 | US4914245 Antibiotic |
04/03/1990 | CA1267422A1 Process for the conversion of t-alkylphenol waste distillation bottoms to para-t-alkylphenol |
03/28/1990 | EP0360622A2 Novel optically active benzene derivatives, process for producing the same and liquid-crystalline composition containing said derivatives as liquid-crystalline compound and light switching elements |
03/28/1990 | EP0360092A1 Process for preparing 4,4"-dihydroxyterphenyl |
03/28/1990 | EP0359953A1 Dihydroxydiphenylcycloalkanes, their preparation and their use for the preparation of high molecular polycarbonates |
03/27/1990 | US4912264 Liquid phase alkylation of a hydroxyl containing aromatic compound |
03/27/1990 | US4912263 Ionic exchangers modified with thiazolines |
03/27/1990 | CA1267159A1 Process for the preparation of 4,4'-biphenol |
03/21/1990 | EP0358992A2 Process for the manufacture of bis-phenols |
03/21/1990 | EP0358871A2 Radiation-sensitive positive resist composition |
03/20/1990 | US4910286 Reactive phenolic antioxidants and polyesters reacted therewith |
03/14/1990 | EP0358574A1 Process for the preparation of adamantane-1 derivatives |
03/14/1990 | EP0357953A1 Mixtures of organic ammonium salts and their use as drag-reducing agents |
03/13/1990 | US4908424 Curable composition comprising reaction product of a bisnaphthol with a diglycidyl ether of a bisnaphthol |
03/13/1990 | CA1266672A1 Dyarylacetylenes, their preparation and their use |
03/13/1990 | CA1266646A1 Benzonaphtalenic derivatives, process for their preparation and uses as pharmaceutic and cosmetic agents |
03/12/1990 | EP0303617A4 Acid catalyzed process. |
03/06/1990 | US4906791 Process for preparing p-cumylphenol |
03/06/1990 | US4906790 Method of oxidizing secondary alkyl substituted naphtalenes and a process of producing isopropylnaphthols |
03/06/1990 | US4906789 Methods for bisphenol A production |
03/06/1990 | US4906669 Isoprenoid derivatives and anti-ulcer agents containing the same |
03/06/1990 | US4906636 2-Substituted-1-naphthols as 5-lipoxygenase inhibitors |
02/28/1990 | EP0355983A1 A process for the low residence time dehydration of p-acetoxyphenyl methylcarbinol |
02/28/1990 | EP0355513A2 Isomerisation or homologisation of bisphenols |
02/28/1990 | EP0355319A2 Process for recovering a dihydric phenol from a scrap polyester |
02/21/1990 | CN1039796A Method of making bisphenol-a by heteropoly acid regarding as catalytic agent |
02/20/1990 | US4902837 Process for preparing Biphenols |