| 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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| 06/14/1989 | EP0320451A2 Process for preparing alkyl-substituted phenols or naphthols |
| 06/14/1989 | EP0320346A2 Process for preparing hydroxylated aromatic derivatives by way of the Bayer-Villiger reaction |
| 06/07/1989 | EP0319327A1 Process for preparing bisphenol A |
| 06/07/1989 | EP0319326A2 Process for preparing 2,2-bis(4-hydroxyphenyl) propane of high purity |
| 06/07/1989 | EP0319310A2 Process for the alkylation of phenols |
| 06/07/1989 | EP0319302A2 Process for dehydrogenating cyclohexenone |
| 06/07/1989 | EP0318591A1 Process for preparing dihydroxynaphthalene |
| 05/31/1989 | EP0318319A1 Non-crystalline tris(2-methyl-4-hydroxy-5-tert.butylphenyl)butane |
| 05/31/1989 | EP0317907A2 Alkylation of polycyclic aromatic compounds to alkylates enriched in the para-substituted isomers |
| 05/31/1989 | EP0198880B1 A method for dealkylation of alkyl-aryl ethers |
| 05/31/1989 | EP0147399B1 Photochemical reactions for commercial synthesis |
| 05/30/1989 | US4835325 A,a-dialkyl-a-hydroxyalkybenzene, nitrile, hydrogen peroxide |
| 05/30/1989 | US4835323 Hydroquinones |
| 05/30/1989 | US4835192 Pharmacologically active 4-[2-hydroxy-4-(substituted)phenyl]naphthalen-2(1H)-ones and 2-ols, derivatives thereof and intermediates therefor |
| 05/23/1989 | US4832796 Vaporization of water, distillation |
| 05/17/1989 | EP0316142A2 Process for producing phenols |
| 05/16/1989 | US4831059 Producing analgesia with pharmacologically active 2-hydroxy-4-(substituted) phenyl cycloalkanes derivatives |
| 05/09/1989 | US4828764 N-Fluoro-N-Perfluoromethyl sulfonamides |
| 05/09/1989 | US4827845 Formation of hydroxy aryl carboxylic acids and esters |
| 05/09/1989 | CA1253885A1 Substituted phenyl ethers, process for their preparation, and their use in the preparation of substituted phenols |
| 05/09/1989 | CA1253884A1 Process for producing 2,6-naphthalenediol |
| 05/03/1989 | EP0314583A1 Process for the hydroxylation of phenols and phenol-ethers |
| 05/03/1989 | EP0314582A1 Method of hydroxylating phenols and phenol ethers |
| 05/03/1989 | EP0314007A1 Process for preparation of bisphenols aromats |
| 05/02/1989 | US4827050 Carbon dioxide extraction agent, hydrocarbon entrainer |
| 05/02/1989 | US4827049 Selective adsorption on ion-exchanged type y zeolite |
| 04/26/1989 | EP0313165A1 A process for isomerizing the by-products of the bis-phenol synthesis |
| 04/25/1989 | US4825011 Method of preparing substituted dihydroxy-benzenes |
| 04/25/1989 | US4825010 Isomerization of by-products of bi-phenol synthesis |
| 04/25/1989 | CA1253170A1 Aryl carboxylate process |
| 04/25/1989 | CA1253135A1 Production of phenols and catalyst therefor |
| 04/18/1989 | US4822943 Reacting cumene and propylene with zsm-12 catalyst |
| 04/18/1989 | US4822923 Isomerization of by-products of bis-phenol synthesis |
| 04/18/1989 | US4822922 Stabilization of mixtures of chlorination of phenol/chlorophenols |
| 04/18/1989 | CA1252792A1 Aromatic derivatives perfluoroalkylation process |
| 04/12/1989 | EP0310925A2 Process for stabilizing a liquid crude bisphenol A product stream |
| 04/11/1989 | US4820879 Preparation of hydrocarbyloxy magnesium halides |
| 04/11/1989 | US4820740 Process and catalyst for production of bisphenol-A |
| 04/11/1989 | CA1252482A1 Process for preparing monochalohydroquinones |
| 03/30/1989 | DE3818696C1 Process for the preparation of hydroquinone and its alkyl derivatives |
| 03/29/1989 | EP0309226A2 Process for producing P,P'-biphenol |
| 03/29/1989 | EP0308841A2 Process for the preparation of 4,4'-dihydroxybiphenyl |
| 03/22/1989 | EP0308133A1 A method of oxidising secondary alkyl substituted naphthalenes |
| 03/22/1989 | EP0307447A1 Process for preparing iodinated substituted aromatic compounds |
| 03/21/1989 | US4814531 Silica-titania hydrocarbon conversion catalyst |
| 03/21/1989 | US4814521 Process for producing 2,6-dihydroxynaphthalene and 2,6-diacetoxynaphthalene |
| 03/21/1989 | US4814520 Process for producing 2,2-bis(4'hydroxyphenyl) propanes |
| 03/15/1989 | CN1031695A Process for the iodination of hydroxyaromatic & aminoaromatic compounds |
| 03/14/1989 | US4812596 Process for the conversion of t-alkylphenol waste distillation bottoms to para-t-alkylphenol |
| 03/08/1989 | EP0305774A1 Ion exchange resin modified by thiazolines |
| 03/08/1989 | EP0305567A1 Preparation of trisphenol methanes |
| 03/08/1989 | CN1031524A Process of para-tertiary butyl catechol recovery |
| 03/07/1989 | CA1250861A1 Synthesis of styrenated hydroquinone |
| 03/01/1989 | EP0230625B1 Process for the production of pyrocatechin and hydroquinone |
| 02/28/1989 | US4808750 (pre-or post-)emergence herbicide for broad leaf plants |
| 02/23/1989 | WO1989001465A1 Process for the iodination of hydroxyaromatic and aminoaromatic compounds |
| 02/22/1989 | EP0304125A2 Heat-hardenable compositions based on polyglycidyl ethers and polyhydric phenols, halogenated tetraphenols, polyglycidyl ethers and process for preparing tetraphenols |
| 02/22/1989 | EP0303617A1 Acid catalyzed process |
| 02/21/1989 | US4806447 Method of chemically bonding antioxidants into polymeric materials |
| 02/15/1989 | EP0303398A1 Preparation process of 4-(4-hydroxyphenyl)-cyclohexanol |
| 02/14/1989 | US4804788 Preparation process of 4,4-dihydroxybiphenyl |
| 02/14/1989 | CA1250002A1 Recrystallization of bisphenol a by azeotropically drying the solvent |
| 02/09/1989 | WO1989000987A1 Process for producing phenylhydroquinones |
| 02/07/1989 | CA1249846A1 Method for the rearrangement of dialkylbenzene dihydroperoxides to dihydric phenols |
| 02/02/1989 | DE3724019A1 Process for the preparation of 2,4-dichloro-3-methylphenol |
| 01/31/1989 | US4801758 Procedure for producing hydroquinone |
| 01/31/1989 | US4801757 Noncrystalline tris(4-hydroxy-2-methyl-5-tert. butylphenyl) butane |
| 01/31/1989 | CA1249602A1 Preparation of hydroxylated aromatic compounds |
| 01/26/1989 | WO1989000452A1 Catalyst composition and method for selective dehydrogenation |
| 01/26/1989 | DE3723874A1 Process for isolating organic substances which are soluble in aqueous-alkaline media |
| 01/18/1989 | EP0299893A2 Process for hydroxylating phenols and phenol ethers |
| 01/18/1989 | EP0299892A1 Process for preparing 2,4,6-trichlorophenol |
| 01/18/1989 | EP0299891A1 Process for the selective chlorination of phenolic compounds |
| 01/18/1989 | EP0299890A1 Process for the chlorination of phenolic compounds |
| 01/18/1989 | EP0299239A2 Process for purifying phenol |
| 01/17/1989 | US4798911 Sulfur-free palladium and copper on carbon support |
| 01/17/1989 | US4798654 Process for preparing bisphenol A |
| 01/17/1989 | CA1248970A1 Process for the synthesis of phenol |
| 01/11/1989 | EP0298803A1 Process for the perhaloalkylation of aromatic derivatives |
| 01/04/1989 | EP0297391A1 Process for preparing monomeric alkenyl phenols from dihydroxydiphenyl alkanes |
| 01/03/1989 | US4795825 Metal or ammonium salt of carboxy derivatice |
| 12/28/1988 | EP0296582A2 Process for the recovery of high-purity m-ethylphenol |
| 12/28/1988 | EP0296353A2 Process for preparing (1-phenylethyl)hydroquinone |
| 12/28/1988 | CA1247632A Hydroquinones |
| 12/27/1988 | US4794188 Certain unsymmetrical quinolinyl ethers having anti-inflammatory and anti-allergic activity |
| 12/27/1988 | US4793783 Apparatus for producing prills |
| 12/20/1988 | US4792570 3- and 4-biphenyloxyaminoalkanes and related compounds as anti-inflammatory and analgetic agents |
| 12/20/1988 | CA1247135A1 Process for producing 6,6'-dihydroxy-3,3,3',3'- tetramethyl-1,1'-spirobiindane |
| 12/20/1988 | CA1247111A1 Process for the preparation of novel ether-oxydes derived from cyclopropylphenols |
| 12/15/1988 | WO1988009781A1 Process for preparing dihydroxynaphthalene |
| 12/13/1988 | US4791234 Reacting bisphenol or isopropenylphenol with acidic catalyst, removing by-products, precipitation with water from solvent mixture |
| 12/07/1988 | EP0294354A2 Preparation of hydrocarbyloxy-magnesium halides |
| 12/07/1988 | EP0293849A1 Process for separation of halogenated hydroxy-aromates from aqueous solutions |
| 11/30/1988 | EP0292951A2 Process for purifying 2,4-xylenol |
| 11/29/1988 | US4788282 Carbapenicillins |
| 11/29/1988 | US4788011 Spraying from separate nozzles; mixing in the spray cones |
| 11/23/1988 | EP0291718A1 Process for making meta-alkyl phenols |
| 11/23/1988 | EP0291642A1 Method for recovery of 3,4-dimethylphenol |
| 11/23/1988 | CN88102226A Process for producing hydroxybenzenes |
| 11/09/1988 | EP0290179A1 Process for preparing bisphenol A |