| Patents for C07C 37 - Preparation of compounds having hydroxy or o-metal groups bound to a carbon atom of a six-membered aromatic ring (10,407) |
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| 10/06/1993 | CN1076926A Adsorption upgrading method for production of tea polyphenol |
| 10/05/1993 | CA1322795C Process for extracting organic composites and solutions and aqueous suspensions thereof |
| 10/05/1993 | CA1322763C Process for recovering phenols from a rectification purge |
| 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 | US5248839 Preparation process of bisphenol a |
| 09/28/1993 | US5248838 Process for preparing bisphenol fluorene compounds |
| 09/21/1993 | US5246690 Synthetic, crystalline, porous material containing silicon oxide, titanium oxide and aluminum oxide |
| 09/16/1993 | DE4303352A1 Removal of phenolic cpds. from oil esp. tar oil - using aliphatic, sec, tert. amine or amideand opt. water as extraction agent |
| 09/14/1993 | US5245090 Two-stage cleavage of cumene hydroperoxide |
| 09/14/1993 | US5245089 Phenols |
| 09/14/1993 | US5245088 Process for crystallizing adduct of bisphenol a with phenol |
| 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 | CN1022034C Technology of extracting cotton phenol |
| 09/07/1993 | US5243116 Acidic mordenite zeolite catalyst |
| 09/07/1993 | US5243115 Acid catalyst, distillation |
| 09/07/1993 | US5243093 Purification of bisphenol A, melt crystallization |
| 09/07/1993 | US5243088 1-monodebromination of dibromonaphthalene compounds |
| 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 | EP0558069A1 Process for producing 2-methyl-1-naphthol |
| 09/01/1993 | EP0558021A2 Process for producing over-based alkaline earth metal phenate |
| 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 | US5240624 Boron-containing compositions and lubricants containing them |
| 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. |
| 08/18/1993 | EP0318591B1 Process for preparing dihydroxynaphthalene |
| 08/17/1993 | US5237112 Process for tetrabromobisphenol-A |
| 08/17/1993 | US5236575 Synthetic porous crystalline mcm-49, its synthesis and use |
| 08/10/1993 | US5235116 Process for the preparation of 2-(1-phenylethyl)hydroquinone and 2-(1-phenylethyl)hydroquinone diacetate |
| 08/10/1993 | US5235021 Resole resin products derived from fractionated organic and aqueous condensates made by fast-pyrolysis of biomass materials |
| 08/05/1993 | WO1993015063A1 Uv light stabilizing, antioxidant and colorant compounds |
| 08/04/1993 | EP0553874A2 Process for production of cresols |
| 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 | US5233097 Oxidation of aromatics to hydroxyaromatics using aluminosilicates containing framework titanium |
| 08/03/1993 | US5233096 Acidic catalyst for condensation reactions |
| 08/03/1993 | US5233095 Process for manufacture of resorcinol |
| 07/28/1993 | EP0552633A1 Process for the separation of m- and p-cresol |
| 07/28/1993 | EP0552311A1 Preparation of linear alkyl aromatics (pt-808). |
| 07/28/1993 | EP0458965A4 Process for the preparation of vinyl ethers |
| 07/28/1993 | CN1074626A Method for removing parts of fine-grain of crystal liquid in crystallizer and making large grain crystal |
| 07/22/1993 | WO1993014065A1 Process for preparing 1,3,5- tris(4'-hydroxyphenyl)benzene and its derivatives |
| 07/22/1993 | WO1993014053A1 Process for the preparation of 1,3,5-tris(4'-hydroxyaryl)benzene |
| 07/22/1993 | WO1993009074A3 Chlorination process, alkylation of products of said process and some products thereof |
| 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 | CA1320216C Preparation of bisphenols |
| 07/13/1993 | CA1320215C Process for making 3,5-dialkyl-4-hydroxy-benzyl -substituted aromatics |
| 06/30/1993 | EP0548807A1 Method for preparing dihydric phenols |
| 06/29/1993 | US5223601 Phenolic compounds containing/neutral fractions extract and products derived therefrom from fractionated fast-pyrolysis oils |
| 06/29/1993 | CA1319708C Process for preparation of resorcinol |
| 06/23/1993 | EP0547479A2 Process for cracking polycarbonates |
| 06/23/1993 | CN1021345C Lubricant composition using high tbn, low viscosity, group 2 metal overbased sulfurized alkylphenols as active constituent |
| 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 |
| 06/15/1993 | US5220079 Process for para-methylolating phenol compounds |
| 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 | EP0545814A1 Natural cresylic acid processing |
| 06/02/1993 | EP0544074A1 Process for the preparation of ortho substituted alkylphenols and catalyst therefor |
| 06/01/1993 | CA1318687C Process for isomerizing the by-products of the bis-phenol synthesis |
| 05/26/1993 | EP0543345A1 Substituted pentaalkylchromanes |
| 05/26/1993 | CN1020893C Improved process for preparing vinyl ethers |
| 05/25/1993 | US5214193 Production of bisphenol monoester |
| 05/25/1993 | CA1318331C Ion exchangers modified with mercapto amines |
| 05/21/1993 | CA2082004A1 Substituted pentaalkylchromans |
| 05/19/1993 | EP0542572A1 Negative type radiation-sensitive resin composition |
| 05/19/1993 | DE4238261A1 Curable mixt. for coating, film, moulded prod. and composite, for high strength - contg. epoxy] resin with glycidyl] gps., polyarylene ether] contg. 4,4'-di:hydroxy-3,3'-di:phenyl bi:phenyl, and amino or phenolic hardener for sulphone] modifier |
| 05/18/1993 | US5212280 Polycarbonate from special dihydroxydiphenyl bicycloalkane |
| 05/18/1993 | US5212206 Ion exchange modified with mercapto amines |
| 05/18/1993 | CA1317905C Preparation of phenol having improved clarity when dispersed in water |
| 05/13/1993 | WO1993009074A2 Chlorination process, alkylation of products of said process and some products thereof |
| 05/13/1993 | CA2122465A1 Chlorination process, alkylation of products of said process and some products thereof |
| 05/11/1993 | US5210331 Oxidation decarboxylation of arylcarboxylic acids with copper catalyst |
| 05/11/1993 | US5210330 Alkylating hydroquinone with cyclohexane in presence of acidic heterogeneous alkylation catalyst and solvent of biphenyl, diphenyl ether and/or methylnaphthalene; cooling; separating precipitated hydroquinone; catalytically dehydrogenating |
| 05/11/1993 | US5210329 Process for preparing bisphenol-A |
| 05/11/1993 | US5210328 Monomers for polyether ketones, polycarbonates, polyether sulfones |
| 05/11/1993 | CA1317601C Method of manufacturing phenols from lignin |
| 05/05/1993 | EP0540311A1 Polysubstituted fullerenes and their preparation |
| 05/05/1993 | EP0515589A4 Manufacture of 2,6-hydroxynaphthoic acid |
| 05/05/1993 | CN1071661A Process for preparing substituted vinylbenzene |
| 05/05/1993 | CN1071660A Natural anti-oxidation agent (tea polyphenol) extracting process |
| 05/04/1993 | US5208390 Process for alkylating aromatic polyols with higher carbon number alpha olefin oligomers |