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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10/26/1993 | CA2092869A1 Preparation of 3-(hydroxyphenyl)propionaldehydes and, where appropriate, the preparation of 3-(hydroxyphenyl)propanols |
10/24/1993 | CA2094654A1 Method of phenol extraction from phenol tar |
10/21/1993 | CA2078457A1 Bisphenol a production using acidic clay catalysts |
10/20/1993 | CN1077448A Carboxylic acid esters of hydroxyphenylalkanols as stabilisers |
10/19/1993 | US5254753 Production of aryl ethanols |
10/19/1993 | US5254751 Method for the decomposition of cumene hydroperoxide by acidic catalyst to phenol and acetone |
10/19/1993 | US5254750 To neutralize; solvent extraction |
10/19/1993 | CA1323154C Apparatus and process for producing prills |
10/13/1993 | CN1077187A Method for production of 2,2-di (4-hydroxyl phenyl) propane |
10/06/1993 | EP0564333A1 Process for hydroxylation of phenolic compounds |
10/05/1993 | CA1322795C Process for extracting organic composites and solutions and aqueous suspensions thereof |
10/05/1993 | CA1322744C Alkylation of polycyclic aromatic compounds to alkylates enriched in the para-substituted isomers |
10/04/1993 | CA2093284A1 Process for producing highly pure phenol |
10/02/1993 | WO1993020031A1 Process for high purity tetrabromobisphenol-a |
09/28/1993 | US5248840 Process for the preparation of hydrooxydiphenyls |
09/28/1993 | US5248838 Process for preparing bisphenol fluorene compounds |
09/28/1993 | US5248823 Diphenylheteroalkyl derivatives, the preparation thereof and drugs and cosmetics prepared therefrom |
09/28/1993 | CA1322554C Meta-halo-phenolic alkylation products and epoxy systems |
09/14/1993 | US5245093 Olefin polymerization |
09/14/1993 | US5245090 Two-stage cleavage of cumene hydroperoxide |
09/14/1993 | US5245086 Hydroxylation of phenols/phenol ethers |
09/08/1993 | EP0559372A1 Process for preparing a bisphenol |
09/08/1993 | EP0558847A1 Alkylphenol synthesis using acid-modified clay catalysts |
09/08/1993 | EP0558552A1 A process to obtain high-purity bisphenol a. |
09/08/1993 | CN1075950A Preparation method for p-isopropenyl phenol |
09/08/1993 | CN1075901A Composite phase transfer catalyst, its preparation and use |
09/08/1993 | CN1022034C Technology of extracting cotton phenol |
09/07/1993 | US5243116 Acidic mordenite zeolite catalyst |
09/07/1993 | US5243110 Dehydrochlorination of 1,1-bis(r-phenyl)-2,2,2-trichloroethanes |
09/07/1993 | US5243093 Purification of bisphenol A, melt crystallization |
09/07/1993 | US5243088 1-monodebromination of dibromonaphthalene compounds |
09/07/1993 | US5243058 Allyl or propenyl group-containing naphthalene derivatives |
09/07/1993 | US5243016 Improved solubility, polyimides, polyether ketones, polyesters, polyether sulfones |
09/06/1993 | CA2078487A1 Alkylphenol synthesis using acid-modified inorganic clay catalysts |
09/03/1993 | CA2090655A1 Process for preparing a bisphenol |
09/02/1993 | WO1993016975A1 Production of aryl ethanols |
09/02/1993 | WO1993016969A1 Polyfluoroalkylation of aromatic compounds |
09/01/1993 | EP0558415A1 Method of improving a smooth oxidation reaction |
09/01/1993 | EP0558376A1 Method of monohydroxylating phenolic compounds |
09/01/1993 | EP0558214A1 Process for therecovery of bisphenol-A bycrystallization |
09/01/1993 | EP0557999A2 Method for simultaneous preparation of bisphenol F and novolak phenol resins |
09/01/1993 | EP0557404A1 ANTIVIRAL USE OF A 2,6-DI-t-BUTYLPHENOL COMPOUND SUBSTITUTED IN POSITION 4, PARTICULARLY IN RELATION TO HERPESVIRUSES AND PAPILLOMAVIRUSES. |
08/31/1993 | US5241098 Method for preparing a salt of 4-hydroxystyrene and for preparing 4-tertiary-butoxycarbonyloxystyrene therefrom |
08/31/1993 | US5240568 Removal of acetophenone from phenol purification residues |
08/28/1993 | CA2090375A1 Method for enhancing an oxidation reaction |
08/25/1993 | EP0556293A1 Process for preparing bisphenol fluorene compounds. |
08/25/1993 | CA2090082A1 Carboxylic acid esters of hydroxyphenylalkanols as stabilisers |
08/24/1993 | US5238775 Radiation-sensitive resin composition |
08/18/1993 | EP0318591B1 Process for preparing dihydroxynaphthalene |
08/17/1993 | US5237112 Process for tetrabromobisphenol-A |
08/17/1993 | US5237091 Naphthalene derivatives |
08/17/1993 | US5236575 Synthetic porous crystalline mcm-49, its synthesis and use |
08/05/1993 | WO1993015063A1 Uv light stabilizing, antioxidant and colorant compounds |
08/04/1993 | EP0553890A1 Diphenyl heteroalkyl derivatives, their preparation, as well as medicinal and cosmetic preparations prepared therefrom |
08/04/1993 | EP0553874A2 Process for production of cresols |
08/04/1993 | EP0362318B1 2,3-difluorobiphenyls |
08/04/1993 | CN1074896A Process for production of cresols |
08/04/1993 | CN1074895A Process and apparatus for producing phenol by acidifying method with sulfur |
08/03/1993 | US5233095 Process for manufacture of resorcinol |
08/03/1993 | US5232819 Selected block phenolic oligomers and their use in phenolic resin compositions and in radiation-sensitive resist compositions |
07/28/1993 | EP0552633A1 Process for the separation of m- and p-cresol |
07/28/1993 | EP0552518A1 Method of recovering bisphenol-A from preparative process efluent streams |
07/28/1993 | EP0458965A4 Process for the preparation of vinyl ethers |
07/22/1993 | WO1993014065A1 Process for preparing 1,3,5- tris(4'-hydroxyphenyl)benzene and its derivatives |
07/22/1993 | WO1993009074A3 Chlorination process, alkylation of products of said process and some products thereof |
07/21/1993 | EP0290458B1 Phenolic cyanate-phenolic triazine copolymers |
07/20/1993 | US5229530 2,2-dialkyl-2,3-dihydro-6-bromobenzofuran |
07/20/1993 | CA1320500C Phenol preparation process and propylene recovery therefrom |
07/13/1993 | US5227537 Method for the production of 6,12-dihydro-6-hydroxy-cannabidiol and the use thereof for the production of trans-delta-9-tetrahydrocannabinol |
07/13/1993 | US5227536 Process for preparing hydroxybenzocyclobutenes |
07/13/1993 | US5227458 Polycarbonate from dihydroxydiphenyl cycloalkane |
07/13/1993 | CA1320216C Preparation of bisphenols |
07/13/1993 | CA1320215C Process for making 3,5-dialkyl-4-hydroxy-benzyl -substituted aromatics |
07/06/1993 | US5225607 Multistage etherification or dehydrohalogenation and reductive dechlorination |
07/06/1993 | US5225601 Sulfur containing compounds for skin disorders |
06/30/1993 | EP0548986A1 Process for producing phenol and methyl ethyl ketone |
06/30/1993 | EP0548807A1 Method for preparing dihydric phenols |
06/29/1993 | CA1319708C Process for preparation of resorcinol |
06/24/1993 | WO1993012060A1 Novel inclusion compound comprising tetrakisphenol as host |
06/23/1993 | EP0547479A2 Process for cracking polycarbonates |
06/23/1993 | CN1073357A Tocotrienols and tocotrienol-like compounds and methods for their use |
06/23/1993 | CN1021345C Lubricant composition using high tbn, low viscosity, group 2 metal overbased sulfurized alkylphenols as active constituent |
06/23/1993 | CN1021325C Process for preparing ethynylphenyl-containing retinoic acid derivatives |
06/16/1993 | EP0546639A1 A process for the preparation of bisphenols |
06/16/1993 | EP0419631B1 A process for synthesising 9,9-bis(4-hydroxyphenyl) fluorene |
06/16/1993 | CN1073161A Endothelin receptor antagonists |
06/15/1993 | US5220079 Process for para-methylolating phenol compounds |
06/15/1993 | US5219978 Poly(arylene ether)from 9,9-bis(3,5-diphenyl-4-hydroxyphenyl)fluorene |
06/15/1993 | CA1319152C Organic synthesis |
06/10/1993 | WO1993011258A1 Method for assaying the sod activity by using a self-oxidizable compound necessary for its implementation, self-oxidizable compounds and preparation thereof |
06/09/1993 | EP0364548B1 Octafluorobiphenyls |
06/02/1993 | EP0544488A2 Substituted phenyl phenol leukotriene antagonists |
06/02/1993 | EP0544074A1 Process for the preparation of ortho substituted alkylphenols and catalyst therefor |
06/01/1993 | US5215924 Method for the determination of an ion with increased sensitivity, use of substances which are suitable for this and a corresponding agent |
06/01/1993 | CA1318687C Process for isomerizing the by-products of the bis-phenol synthesis |
05/27/1993 | WO1993009777A1 Tocotrienols and tocotrienol-like compounds and methods for their use |
05/27/1993 | CA2124086A1 Tocotrienols and tocotrienol-like compounds and methods for their use |
05/26/1993 | EP0543417A1 Tocotrienols and tocotrienol-like compounds and methods for their use |
05/26/1993 | EP0543345A1 Substituted pentaalkylchromanes |
05/26/1993 | CN1020893C Improved process for preparing vinyl ethers |