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)
03/1996
03/20/1996EP0701546A1 Aromatic acetylcholinesterase inhibitors
03/20/1996EP0462121B1 Poly-alkylated benzodioxin musk compositions
03/19/1996US5500189 Apparatus for crystallization of organic matter
03/17/1996CA2158222A1 Use of substituted cyclopentane- di- and triones
03/14/1996WO1996007628A1 Reduced methyl bromide process for making tetrabromobisphenol-a
03/13/1996CN1118343A Stilbene-based materials, their preparation and use
03/13/1996CN1031262C Ring-substituted 2-animo-1,2,3,4-tetra hydronaphthalenes and 3-aminochromanes
03/06/1996CN1118155A A novel process for the production of high purity and ultrapure bisphenol-A
03/06/1996CN1031188C Method for producing hydroxy-containing alkylated armoatic compound
02/1996
02/29/1996WO1996006089A1 Substituted biphenyl derivatives and their use as herbicides
02/29/1996DE4430600A1 New bi:phenyl carbamate and carbonate derivs.
02/28/1996EP0698591A1 Alkylated and aralkylated polyhydroxy aromatic compounds and a process for their preparation
02/28/1996CN1117483A Preparation of 2,3,6-trimethylphenol
02/28/1996CN1117482A Method for extending the activity of acidic lon exchange catalysts
02/20/1996US5493062 Process for preparing 4-hydroxystyrene
02/20/1996US5493060 Method of making 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane
02/20/1996US5492915 Substituted quinolyl compounds exhibiting selective leukotriene B4 antagonist activity
02/15/1996WO1996004230A1 Terpene-quinone with antitumor activity
02/15/1996CA2173157A1 Terpene-quinone with antitumor activity
02/13/1996US5491173 Estrogenic, antiestrogenic agents, antitumor agents
02/08/1996WO1996003148A1 Method and drug for treating diabetes
02/07/1996EP0695740A1 Quinonediazine sulfonic acid esters and positive photoresist compositions comprising the same
02/07/1996EP0695733A1 Olefin polymers containing bound antioxidant
02/07/1996CN1116195A Method for making bisphenol
01/1996
01/31/1996EP0694517A1 Purification of bisphenol-A
01/31/1996EP0694516A2 Process of selective desulfonation
01/31/1996EP0693957A1 A multiple stage suspended reactive stripping process and apparatus
01/30/1996US5488182 Phenol compounds containing methoxymethyl group or hydroxymethyl group
01/30/1996US5487893 Antiviral use of a 2,6-di-t-butylphenol compound substituted in 4 position against herpes viruses and papillomaviruses
01/30/1996CA1338018C 6-phenoxymethyl-4-hydroxytetrahydropyran-2-ones and 6- thiophenoxymethyl-4-hydroxytetrahydropyran-2-ones and the corresponding dihydroxycarboxylic acid derivatives, salts and esters, processes for the preparation of these compounds, their use as pharmaceuticals, pharmaceutical preparations and novel phenols and thiophenols
01/18/1996WO1996001243A1 Propofol purification
01/16/1996US5484932 Chlorination or bromination in solutions with solvents
01/04/1996WO1996000207A1 Cyclohexanone derivatives, method of preparing them and intermediates used in the method
01/04/1996CA2193624A1 Cyclohexanone derivatives, method of preparing them and intermediates used in the method
01/02/1996US5481009 Methods of producing carboxylic acid ester derivatives and intermediates for use in the methods
01/02/1996US5480959 Substantially pure bisphenols and polymers comprising bisphenols
01/02/1996US5480913 Anti-androgen compounds
12/1995
12/31/1995CA2152433A1 Alkylated and/or aralkylated polyhydroxy aromatic compounds and processes for their preparation and use
12/27/1995EP0689097A1 A polyhydroxy compound and a positive photoresist containing the same
12/27/1995EP0688757A1 Process for the preparation of aromatic olefines by catalysis of palladacycles
12/26/1995US5478862 Having progestational activity with minimum ancillary hormonal activity; antiovulation agents
12/26/1995US5478789 Hydrogenating an organic carboxylic acid ester
12/20/1995EP0687661A1 Phenylindanes, method of preparation and use
12/19/1995US5476973 Adding toluene-2,4-diamine or N,N-dimethyl-p-phenylenediamine as polymerization inhibitor; storage stability
12/19/1995US5476860 Diaromatic compounds derived from a salicylic unit and their use in human and veterinary medicine and in cosmetics
12/14/1995WO1995033703A1 Phenol with low levels of methylbenzofuran
12/13/1995EP0686617A1 Method for making a 2,6-dialkylphenol
12/13/1995CN1113225A Color stable bisphenols
12/12/1995US5475156 Method for making a 2,6-dialkylphenol
12/12/1995US5475155 Preparation of 4,4'-dihydroxy-alpha'-dialkylstilbenes and 4, 4'-dihydroxy-alpha'-dialkylstilbenes
12/12/1995US5475154 Method for producing high-purity bisphenols
12/12/1995US5475153 Bromination in a water, alcohol mixture while cooling; then heating, drying
12/12/1995US5475152 Process and composition
12/07/1995DE4419799A1 Organo rhenium derivs. used as catalysts
12/06/1995EP0685766A1 Selected trinuclear novolak oligomers and their use in photo-active compounds and radiation sensitive mixtures
12/06/1995EP0485613B1 Process for para-methylolating phenolic compound
12/06/1995CN1112913A Method of technical cumene hydroperoxide acidic cleavage to phenol acetone and alpha-methylstyrene
12/05/1995US5473065 Useful as electrophilic fluorinating agents
12/05/1995US5473003 A styrene copolymer blend comprising a stabilizer for heat, oxidation, chemical and actinic radiation resistance
11/1995
11/29/1995EP0683761A1 A novel process for the production of high purity and ultrapure bisphenol-a
11/28/1995US5470728 Formation of and dehydration of hydroxylated diphenyl acetylenes using Pseudomonas ATCC 55272
11/28/1995CA1337626C Radiation-sensitive positive resist composition
11/22/1995CN1112103A Method for the preparation of ultra-pure bisphenol a and the use thereof
11/16/1995WO1995030764A1 Formation of and dehydraton of hydroxylated diphenylacetylenes
11/15/1995EP0682004A1 Method for extending the activity of acidic ion exchange catalysts
11/15/1995CN1111610A Preparation of p-fuchsone and application of same in preparation of dihydroxylated aromatic compound
11/15/1995CN1111608A Process for the continuous production of high purity bisphenol A
11/15/1995CN1111607A Method for purification of phenol
11/14/1995US5466839 Preparation of p-fuchsones and synthesis of p-dihydroxylated aromatic compounds therefrom
11/08/1995EP0680943A1 Method for making bisphenol
11/08/1995CN1111230A A method for producing high-purity bisphenols
11/02/1995EP0679628A1 Polyene derivatives, pharmaceutical and cosmetic composition containing them and their use
11/02/1995EP0679626A1 Process for the preparation of ultrapure bisphenol-A and use thereof
11/02/1995EP0679625A2 Process for the preparation of 2,3,6-trimethylphenol
11/02/1995EP0679151A1 Method of making 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane
10/1995
10/31/1995US5463140 Condensing aldehyde or ketone with phenol in presence of soluble or insoluble mercaptosulfonic acid compound to form geminal bisphenol moiety at each aldehyde or ketone moiety
10/31/1995US5463129 Cleaving arylethers
10/29/1995CA2147913A1 Preparation of 2,3,6-trimethylphenol
10/29/1995CA2147075A1 Chromotropic acid-formaldehyde and 1-naphthol-formaldehyde polymeric compounds
10/19/1995WO1995027691A1 Method for production of phenol and its derivatives
10/19/1995CA2147048A1 Method for the preparation of ultra-pure bisphenol a and the use thereof
10/18/1995EP0500899B1 Novel 15,16-seco-19-nor progestins
10/11/1995EP0676387A1 2,2-bis(3,5-disubstituted-4-hydroxyphenyl)propane derivative, process for producing the same, and process for producing pyrogallol therefrom
10/10/1995US5457244 Phenol tar waste reduction process
10/10/1995US5456806 Procedure for the recovery of phenol from its mixtures containing cumene and alpha-methylstyrene
10/10/1995CA2071605C Process for dehydrochlorinating 1,1-bis(r-phenyl)-2,2,-trichloroethanes
10/04/1995EP0675097A1 Process for purifying a bisphenol
10/03/1995US5455282 Salt formation to cover small amount of sulfonic acid groups; repeated activation
10/02/1995EP0693957A4 A multiple stage suspended reactive stripping process and apparatus
09/1995
09/27/1995CN1109044A Preparation of purified diisopropylphenol from residual orthoisopropylphenol
09/21/1995WO1995025067A1 Method for the separation and purification of fullerenes
09/20/1995EP0590078B1 Synthetic crystalline zeolite, its synthesis and use
09/20/1995EP0458965B1 Process for the preparation of vinyl ethers
09/20/1995CN1108585A Hydrogenation reaction catalyst precursor, process for production thereof and process for production of alcohol
09/13/1995EP0671377A1 Method of continuous production of highly pure bisphenole-A
09/13/1995EP0671376A1 Method for producing bisphenols
09/13/1995EP0671220A1 Surface reforming agent, surface reforming method and cone-type calix resorcinarene compounds
09/13/1995EP0670856A1 Thermosettable composition containing mesogenic moieties
09/11/1995CA2143910A1 Method for producing high-purity bisphenols
09/06/1995EP0670298A1 Stilbene-based materials, their preparation and use
1 ... 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 ... 109