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)
05/1993
05/25/1993CA1318331C Ion exchangers modified with mercapto amines
05/25/1993CA1318325C 1-substituted tetralin derivatives, their preparation and their use
05/21/1993CA2082004A1 Substituted pentaalkylchromans
05/18/1993US5212303 Benzonaphthalene derivatives, a process for their preparation and their use in therapeutic and cosmetic compositions
05/18/1993US5212280 Polycarbonate from special dihydroxydiphenyl bicycloalkane
05/18/1993CA1317905C Preparation of phenol having improved clarity when dispersed in water
05/13/1993WO1993009241A1 Microbial production of cis-dihydrodiol and phenol derivatives of benzocyclobutene
05/13/1993WO1993009240A1 Microbial production of cis-dihydrodiol and phenol derivatives of benzocyclobutene
05/13/1993WO1993009074A2 Chlorination process, alkylation of products of said process and some products thereof
05/13/1993WO1993008799A1 Endothelin receptor antagonists
05/13/1993CA2122820A1 Endothelin receptor antagonists
05/13/1993CA2122465A1 Chlorination process, alkylation of products of said process and some products thereof
05/12/1993EP0540604A1 Substituted bicyclic bis-aryl compounds exhibiting selective leukotriene b 4? antagonist activity, their preparation and use in pharmaceutical compositions
05/11/1993US5210329 Process for preparing bisphenol-A
05/11/1993US5210328 Monomers for polyether ketones, polycarbonates, polyether sulfones
05/11/1993CA1317601C Method of manufacturing phenols from lignin
05/05/1993EP0540311A1 Polysubstituted fullerenes and their preparation
05/05/1993EP0539720A1 Inhibited 141b
05/05/1993EP0515589A4 Manufacture of 2,6-hydroxynaphthoic acid
05/05/1993CN1071661A Process for preparing substituted vinylbenzene
05/04/1993US5208389 Contacting with treated water; heat treatment; flame retarders
05/04/1993US5208263 Anti-androgen compounds
04/1993
04/29/1993CA2079957A1 Polysubstituted fullerenes and their preparation
04/28/1993EP0538803A1 Process for the preparation of substituted vinyl benzenes
04/28/1993EP0538704A1 Process for the monobenzylation of p-substituted phenols
04/27/1993CA1316943C Countercurrent multi-stage water crystallization of aromatic compounds
04/27/1993CA1316924C Etheric derivative of 4/3h/-quinazolinone and a process for the preparation thereof
04/24/1993CA2080048A1 Process for the production of substituted vinylbenzenes
04/21/1993EP0407557B1 Reaction processes in a multi-stage fluidized bed
04/20/1993US5204373 Farnesylated tetrahydro-naphthalenols as hypolipidemic agents
04/20/1993US5204242 Substituted phenols
04/20/1993US5204019 2,3-difluorobiphenyls
04/13/1993US5202516 Process of recovering monoalkylbenzene and pure 1,3,5-trialkylbenzene from a mixture of dialkyl- and trialkylbenzenes
04/13/1993US5202505 Dissolving in aqueous alcoholic solution, adding solution of alkali metal dithionite and another alkaline agent to precipitate, decoloring
04/13/1993US5202504 Separating agent
04/13/1993US5202141 Using mixture of substituted resorcinol and additive
04/07/1993EP0536012A1 Process for the debromation of dibromonaphthol derivatives
04/07/1993EP0535482A1 Process for the preparation of hydroxydiphenyls
04/06/1993US5200532 Preparation of 2,2-disubstituted-2,3-dihydrobenzofurans
04/06/1993CA1315774C Anthraline-sterol complexes, their production process and their use as therapeutics and cosmetics
04/06/1993CA1315674C Pharmaceutical compositions containing at least one bicyclic aromatic derivative as an active ingredient
04/01/1993WO1993006073A1 High quality phenol rectification with energy recovery
03/1993
03/31/1993EP0265514B1 Medicaments for inhibiting skin wrinkling
03/30/1993US5198595 Alkylation of aromatic compounds
03/30/1993US5198591 Method to manufacture bisphenol a
03/30/1993US5198571 Monofunctionalization of phenolic hydroxy onto a polyphenol
03/30/1993CA1315298C Process for the mutual condensation of aromatic and carbonylic compounds
03/24/1993EP0377638B1 Process for the iodination of hydroxyaromatic and aminoaromatic compounds
03/23/1993US5196605 Hydrolysis with catalyst, filtration, distillation
03/23/1993US5196289 Selected block phenolic oligomers and their use in radiation-sensitive resist compositions
03/21/1993WO1993006072A1 Process for preparing hydroxybenzocyclobutenes
03/21/1993CA2116125A1 Process for preparing hydroxybenzocyclobutenes
03/21/1993CA2051949A1 Isomerization of alkylphenols
03/18/1993WO1993005005A1 Acetophenone removed from phenol purification residues
03/17/1993EP0531803A2 Method for preventing coloration of aromatic isocyanate compounds
03/17/1993EP0531785A1 Method of separating components of phenols mixture by distillation
03/17/1993CN1069961A Method of purifying bisphenol a/phenol crystalline adduct, method of producing crystalling adduct,device for crystallization of crystalline adduct, and method for producing bisphenol A
03/10/1993EP0530208A1 Process for producing alpha-fluorostyrols
03/10/1993EP0506760A4 Catalytic method to produce hydroxy substituted arylophenones
03/10/1993CA2077632A1 Method for preventing coloration of aromatic isocyanate compounds
03/03/1993EP0530148A1 Positive photo resist with increased dissolving power and reduced crystallisation tendency as well as new tetra(hydroxyphenyl)alkane
03/03/1993EP0529517A2 Process for producing 2-methyl-1,3-cyclohexanedione and 2-methylresorcinol
03/02/1993US5191128 From Dialdehyde and Phenol
02/1993
02/23/1993US5188920 Positive resist composition containing 1,2-quinone diazide compound, alkali-soluble resin and polyhydroxy phenol additive compound
02/18/1993WO1993002996A1 Pyrolysis of naturally occuring cresylic acid mixtures
02/17/1993EP0527378A1 Salicyl(thio)ethers derivatives, process and intermediates for their preparation
02/17/1993EP0527131A1 Chelants
02/10/1993EP0526964A2 Process for the production of bisphenol A
02/09/1993US5185377 Applying locally or by inhalation as antiinflammatory agent, antiallergen, bronchodilator, antiasthmatic, antipsoriatic
02/04/1993WO1993003113A1 Liquid-crystal compounds
02/04/1993WO1993002031A1 Alkylphenol derivative
02/04/1993CA2093212A1 Liquid-crystalline compounds
02/03/1993EP0525140A1 Liquid-crystal compounds
02/03/1993CN1068585A Process for preparing phenolic binder
02/02/1993US5183889 Benzonaphtahalene derivatives, a process for their preparation and their use in therapeutic and cosmetic compositions
01/1993
01/27/1993EP0524742A2 Benzo(a)fluorene compounds
01/27/1993EP0524419A1 Heat-sensitive recording materials and phenol compounds
01/26/1993US5182358 Polyetherketones, polyethersulfone, polyetherimides, solubility in organic solvents
01/23/1993CA2073488A1 Benzo (a) fluorene compounds
01/21/1993WO1992008450A3 Antiviral use of a 2,6-di-t-butylphenol compound substituted in position 4, particularly in relation to herpesviruses and papillomaviruses
01/20/1993EP0523470A2 Complexed hydroquinones
01/20/1993EP0371995B1 Process for producing phenylhydroquinones
01/20/1993CN1068101A Process for dehydrochlorating 1.1-bis(r-phenyl)-2,2,2-trichloroethane
01/20/1993CA2070450A1 Photographic process and composition
01/19/1993US5180871 Process for producing phenols
01/19/1993US5180742 Lipoxygenase Inhibitors
01/19/1993CA1312993C Ionic exchangers modified with thiazolines
01/19/1993CA1312881C Tri (3,5-dialkyl-4-hydroxybenzyl)mesitylene antioxidants
01/13/1993CN1067880A Phenol preparing method
01/12/1993CA1312628C Method for recovering a dihydric phenol from a scrap polyester
01/05/1993US5177262 Hydrogen-Bonded Complex with N,N,N',N'-Tetrasubstituted P-Aromatic Dicarboxamides
01/05/1993US5177248 Process of forming polysubstituted fullerenes
12/1992
12/29/1992US5175376 Process for the purification of 2,6-diisopropyl phenol
12/29/1992US5175315 Reacting with alcohol in presence of altivating agent
12/29/1992US5175135 Alkylation of aromatic compounds to alkylates enriched in the linear substituted isomers
12/29/1992CA1312075C Process for the preparation of adamant-1-one derivatives
12/23/1992WO1992022519A1 Process for the preparation of a phenol
12/23/1992WO1992022498A1 Synthetic crystalline zeolite, its synthesis and use
12/23/1992WO1992022213A1 Compositions and methods for inhibiting browning in foods and beverages
12/23/1992EP0519807A1 Process for the dehydrochlorination of 1,1-bis(R-phényl)-2,2,2-trichloroethanes
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