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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02/09/2000 | CN1049211C Separating epuration p-cresol technology by complexing extraction crystallization method |
02/03/2000 | DE19857314A1 Stark saurer mensoporöser synergistischer Festkörper-Katalysator und Verwendung desselben Strongly acid of the same mensoporöser synergistic solid catalyst and use |
02/02/2000 | EP0975568A1 Process for preparing bis-(4-hydroxyaryl-)-alkanes |
02/02/2000 | EP0975421A2 Preparation of low-dust stabilisers |
02/02/2000 | EP0975420A1 Synergistic mixtures of alkyl phenol formaldehyde resins with oxalkylated amines as asphalt dispersing agents |
02/02/2000 | CN1243503A Process for preparing bis-(4-hydroxyaryl)-alkanes |
02/01/2000 | US6020523 Polyorganofullerenes |
02/01/2000 | US6020481 Fluorescent labeling reagents; dideoxy polynucleotide sequencing and fragment analysis methods. |
01/26/2000 | EP0973714A2 Production of racemic 2-(6-methoxy-2-naphthyl)propionic acid or precursors thereof |
01/26/2000 | EP0973712A1 PROCESS FOR THE MANUFACTURE OF TETRABROMOBISPHENOL-A WITH CO-PRODUCTION OF n-PROPYL BROMIDE |
01/26/2000 | EP0900189A4 2-hydroxy-5-alkyl-beta-methylstyrene and process of preparing hydroxyarylaldehydes therefrom |
01/25/2000 | US6017499 Apparatus for contacting solids in the form of freeflowing lumps with liquids or gases |
01/20/2000 | WO2000002839A1 Cytokine production and tyrosine kinase inhibitors |
01/19/2000 | CN1241559A Process for production of trimethylhydroquinone diesters and of trimethylhydroquinone |
01/19/2000 | CN1241557A Condensation processing method for desorption gas of compound containing phenol, bisphenol A and steam |
01/18/2000 | US6015873 Polyphenol composition and method of producing the same |
01/12/2000 | EP0970940A1 Process for the recovery of products contained in the heavy side products from their preparation |
01/11/2000 | US6013844 Preparation of catechol monoethers and catechols |
01/05/2000 | CN1240417A Improved method for producing phenol and acetone from cumol |
01/05/2000 | CN1240202A Process and equipment for preparing dialkyl phenol |
01/04/2000 | US6011184 Descaling of bisphenol-A reactor using water |
12/29/1999 | EP0766660B1 Cyclohexanone derivatives, method of preparing them and intermediates used in the method |
12/29/1999 | CN1239939A Process for hydroxylation of benzene |
12/28/1999 | US6008315 Manufacturing method for bisphenols and a manufacturing method for polycarbonate |
12/23/1999 | DE19926044A1 New 4-Alk(en)yl- and 4-alk(en)oxy-4'-alkenyl- and -alkenoxy-tolanes used as components of liquid crystal media |
12/22/1999 | CN1239474A Substituted pyridines and biphenyls as anti-hypercholesterinemic, anti-hyperlipoproteinemic and anti-hyperglycemic agents |
12/21/1999 | US6005151 Reacting haloaromatic compound with olefin compound using palladium complex catalyst |
12/16/1999 | WO1999064384A1 A process for the preparation of tetrabromobisphenol-a |
12/15/1999 | CN1238752A Method for preparing 4-hydroxybenzaldehyde and its derivatives |
12/15/1999 | CN1047387C Semiantigen compound, synthesizing process and use thereof |
12/14/1999 | US6002051 As antioxidants for lubricating oils and normally liquid fuels |
12/09/1999 | WO1999062853A1 Condensation method for a carbonyl compound on an aromatic derivative in a basic medium |
12/08/1999 | EP0962439A1 Process and apparatus for producing dihydric phenolic compound |
12/08/1999 | EP0801638B1 Process to produce tetrabromobisphenol with the reduced formation of alkyl bromide by-products |
12/08/1999 | CN1237955A Substituted phenols and thiophenols useful as antioxidant agents |
12/07/1999 | US5998677 Process for the production of phenol |
12/07/1999 | US5998487 Anti-inflammatory and antibacterial benzyl phenol agents and their use in oral compositions |
11/30/1999 | US5994596 Method for preparing high purity indane bisphenols |
11/24/1999 | EP0958861A1 Activation method of titanium silicalite and its use in oxidation processes with hydrogen peroxide |
11/24/1999 | EP0958268A1 Spherical molecular assembly |
11/24/1999 | CN1235952A Process for preparing phenol and acetone by cumene hydroperoxide intensified decomposition |
11/24/1999 | CN1235949A Method for enhancing selectivity of decomposition of dicumyl peroxide to alpha-methyl styrene |
11/24/1999 | CN1046754C Reduction process for phenol tar waste |
11/24/1999 | CN1046699C Process for preparing bisphenol A of good heat stability |
11/23/1999 | US5990362 Etherification of phenol with p-isopropenylphenol or 2-(4-hydroxyphenyl)-2-propanol in the presence of a catalyst, at a reaction temperature of no greater than about 65.degree. c. |
11/23/1999 | CA2003925C Preparation of cumene through alkylation of an aromatic compound and preparation of phenol through cumene |
11/18/1999 | WO1999058555A2 Water-soluble pro-drugs of 2,6-diisopropylphenol analogues |
11/18/1999 | CA2331371A1 Water-soluble pro-drugs of propofol |
11/16/1999 | US5985937 Leukotriene mediated disease in humans for enzyme inhibitors |
11/11/1999 | WO1998004528A3 Substituted pyridines and biphenyls as anti-hypercholesterinemic, anti-hyperlipoproteinemic and anti-hyperglycemic agents |
11/10/1999 | EP0954965A1 Controlled release compositions |
11/10/1999 | CN1234389A Noval process for preparing 2,3,5-trimethyl-hydroquinone diester |
11/10/1999 | CN1234178A Release-control composition |
11/09/1999 | US5981806 Process for the preparation of hydroxynapthalenes |
11/04/1999 | WO1999031036A3 O-derivatives of halogenated diphenyl ether compounds |
10/28/1999 | DE19817644A1 Neues Verfahren zur Herstellung von 2,3,5-Trimethylhydrochinondiestern New process for the preparation of 2,3,5-trimethylhydroquinone |
10/27/1999 | EP0952137A1 Process for the preparation of 2,3,5-trimethylhydroquinone diester |
10/21/1999 | CA2269404A1 New process for the preparation of 2,3,5-trimethylhydrochinone diesters |
10/19/1999 | US5969196 Process for preparing 3,5-dimethylphenol |
10/19/1999 | US5969176 Acylation of trimethylhydroquinone in the presence of protonic acid |
10/19/1999 | US5969167 Method for making tris(hydroxyphenyl) compounds using ion exchange resins |
10/14/1999 | WO1999051559A1 Anti-inflammatory, antibacterial benzyl phenol agents |
10/14/1999 | WO1999051558A1 Descaling of bisphenol-a reactor using water |
10/14/1999 | CA2327113A1 Anti-inflammatory, antibacterial benzyl phenol agents |
10/13/1999 | EP0948479A1 Recovery of anhydrous alkanesulphonic acids |
10/13/1999 | EP0709358B1 Novel clathrate compound, process for producing the same, and antifouling agent |
10/13/1999 | CN1231277A Fat-soluble tea polyphenol and esterfication method productive process thereof |
10/07/1999 | WO1999050212A1 Method for removing metal ions from cresol mixtures |
10/06/1999 | EP0946482A1 Method for preparing a 4-hydroxybenzaldehyde and derivatives |
10/05/1999 | US5962751 Using orthophosphoric acid |
10/05/1999 | US5962747 Oxidizing 1,3-diisopropylbenzene; extraction; circulation |
10/05/1999 | CA2042416C Method for the determination of an ion with increased sensitivity, use of substances which are suitable for this and a corresponding agent |
09/30/1999 | DE19812613A1 Neue cycloaliphatische Polymerbausteine New cycloaliphatic polymer building blocks |
09/29/1999 | EP0945427A1 Cycloaliphatic compounds as building units for polymers |
09/29/1999 | EP0945420A1 Process for the preparation of bisphenols |
09/29/1999 | EP0944567A1 Improved method for producing phenol and acetone from cumol |
09/29/1999 | CN1230166A Illudin analogs useful as antitumor agents |
09/29/1999 | CN1229783A 2,4-dimethyl-6-s-alkylphenols |
09/28/1999 | US5959160 Purification of p,p-bisphenolate solutions |
09/28/1999 | US5959157 Process for making hydroxy-substituted ethynylated biphenyl compounds |
09/28/1999 | US5959103 Naphthofluorene compounds, intermediates, compositions, and methods |
09/28/1999 | US5958917 Benzofluorene compounds, intermediates, compositions, and methods |
09/22/1999 | EP0942896A1 Substituted phenols and thiophenols useful as antioxidant agents |
09/22/1999 | CN1229074A Method for obtaining bisphenol A |
09/16/1999 | WO1999046315A1 Method for producing a liquid formulation of tetraphenylphosphonium phenolate |
09/16/1999 | DE19810745A1 Liquid catalyst formulation for transesterification processes, especially for the solvent-free production of polycarbonate from diphenol and diaryl carbonate |
09/15/1999 | CN1228355A Compound oxide catalyst for phenol hydroxylation and its preparing method |
09/14/1999 | CA2003780C Process of producing isopropylnaphthols |
09/08/1999 | EP0853649B1 Treatment of transition metal containing pigments with chelating or silylating compounds |
09/08/1999 | EP0638057B1 Recovering values from heavy ends in bisphenol-a production |
09/08/1999 | CN1227834A Manufacturing method for bisphenols and manufacturing method for polycarbonate |
09/02/1999 | WO1999043638A1 Preparation of polyindanebisphenols and polymers derived therefrom |
09/02/1999 | WO1999043637A1 Improved process for the production of a dihydroxybenzene and dicarbinol from diisopropylbenzene |
09/02/1999 | WO1999043636A2 Disubstituted lavendustin a analogs and pharmaceutical compositions comprising the analogs |
09/02/1999 | CA2322279A1 Preparation of polyindanebisphenols and polymers derived therefrom |
09/02/1999 | CA2321307A1 Disubstituted lavendustin a analogs and pharmaceutical compositions comprising the analogs |
09/01/1999 | EP0938488A1 Phosphine ligands |
09/01/1999 | EP0809626B1 Production of enantiomerically enriched ortho-substituted alpha, alpha diaromatic methanols |
09/01/1999 | CN1227590A Composition preventing the polymerizationo of ethylene unsaturated monomers, method of preparation and use thereof |
08/31/1999 | US5945569 Catalyst and method for producing phenols |