| Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484) |
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| 08/22/1989 | US4859206 Hair dye preparations containing nitrodiphenylamine derivative |
| 08/16/1989 | EP0327938A1 Process for the preparation of unsaturated fatty acid lower alkyl ester sulfonates |
| 08/16/1989 | EP0327926A1 Method for the preparation of acyloxyalkane sulfonic acid salts |
| 08/16/1989 | EP0327585A1 Alkylphenols and derivatives thereof via phenol alkylation by cracked petroleum distillates |
| 08/16/1989 | CN1034752A Overbased metal sulphonath composition |
| 08/15/1989 | CA1258456A1 Aryl or hetero-aryl derivatives of 1-hydroxy-pentane or 1-hydroxy-hexane for treating inflammation and allergies |
| 08/15/1989 | CA1258454A1 Phenethanolamines |
| 08/08/1989 | US4855455 Preparation of amino acid derivatives |
| 08/02/1989 | EP0325998A2 3,3-Dimethyl-hex-5-en-2-on derivatives, process for their preparation and their use |
| 08/02/1989 | EP0325975A1 Process for the production of alkali salts of biphenyl-4,4'-disulphonic acid |
| 08/01/1989 | US4853465 Organophilic polyphenolic acid adducts |
| 08/01/1989 | US4853315 For low optical density; shorter wave lengths |
| 08/01/1989 | US4853158 Process for preparing N,N-dialkylaniline salt of 5-acetyl-2-alkylbenzene sulfonic acid |
| 07/27/1989 | WO1989006644A1 New amines, their use and preparation |
| 07/26/1989 | EP0325571A1 New amines, their use and preparation |
| 07/26/1989 | EP0325485A2 Preparation of amino acid derivatives |
| 07/25/1989 | US4851585 Synthetic vitamin e |
| 07/25/1989 | US4851561 Quaternary ammonium salts |
| 07/25/1989 | US4851528 Anthraquinone derivatives |
| 07/25/1989 | US4851448 Gem-dihalo-1,8-diamino-4-aza-octanes |
| 07/25/1989 | CA1257868A1 Oxime sulfonates containing reactive groups |
| 07/19/1989 | EP0324692A1 Process for the preparation of hydroxyalkylating agents, the agents as prepared and their use |
| 07/19/1989 | EP0324494A1 Permanent antistatic acid copolymer/quaternary amine mixtures and permanent antistatic polymeric films made therefrom |
| 07/18/1989 | US4849328 A 2-(p-cyanophenylureido), 5-modified sulfone ballast group-acylamino-phenol derivative; hue purity |
| 07/12/1989 | EP0323631A2 Styryl compounds, process for preparing the same and photoresist compositions comprising the same |
| 07/11/1989 | US4847390 Cyclopentane derivatives |
| 07/11/1989 | US4847018 Process for producing petroleum sulfonates |
| 07/11/1989 | CA1257283A1 PROCESS FOR PREPARING .alpha.-SUBSTITUTED- ALKYLARYLKETALS |
| 07/06/1989 | DE3843107A1 Benzylidenecamphorsulphonamides derived from amino acids, and their application in cosmetology, in particular as sun filters |
| 07/05/1989 | EP0322815A2 Propoxybenzene derivatives and process for preparing the same |
| 07/04/1989 | US4844841 Pyrenexulfonic acids useful in fluorescent lipid probes |
| 06/28/1989 | EP0321864A2 Ammonium compounds, their preparation and use |
| 06/27/1989 | US4843184 Process for extracting paraffins from their mixtures with paraffinsulfonic acids |
| 06/27/1989 | US4843094 Derivatives of p-guantidinobenzoic acid and pharmaceutical agents containing them as active ingredient |
| 06/27/1989 | US4843048 Organophilic clay compositions |
| 06/27/1989 | US4842776 Styrylaryloxy ether sulfonates, a process for their preparation and their use in the recovery of crude oil |
| 06/21/1989 | EP0320777A2 A novel approach to produce natural vitamin E making use of an asymmetric synthesis |
| 06/14/1989 | EP0319819A1 Process for obtaining solid or pasty products |
| 06/14/1989 | EP0319767A2 Process for the preparation of trifluoromethane sulfonique acid chloride |
| 06/13/1989 | US4839427 Resin systems cured with blocked acid catalysts |
| 06/13/1989 | US4839256 Perfluoroalkyl group-containing 1,2-napthoquinone daizide compounds and reproduction materials produced therefrom |
| 06/13/1989 | CA1255695A1 Process for the production of polyalkylaromatic polysulfonic acids and recovery by heavy phase separation |
| 06/07/1989 | EP0319325A2 Photosensitive material and process for forming pattern using the same |
| 06/06/1989 | US4837350 Process for the preparation of benzoin sulfonates |
| 06/06/1989 | US4837307 [1,1'-biphenyl]compounds having a 2,2'-(alkyl)bridge and a 3-yl(substituted)methyl substituent |
| 06/06/1989 | US4837283 Emulsifiers, detergents, dispersants |
| 06/06/1989 | US4837136 Silver halide photographic materials comprising non-diffusible photographically useful compounds |
| 06/06/1989 | US4836959 Process for the preparation of 1-aminonaphthalene-2,4,7-trisulphonic acid and 1-aminonaphthalene-7-sulphonic acid |
| 06/06/1989 | US4836283 Enhanced oil recovery |
| 05/31/1989 | EP0317888A2 Fluorinated nitroalkyl compounds, and process for the preparation of fluorinated nitroalkyl compounds |
| 05/30/1989 | US4835323 Hydroquinones |
| 05/30/1989 | US4835227 Blocking sulfonic acids with glycidamides |
| 05/30/1989 | US4834922 Decarboxylation |
| 05/30/1989 | US4834921 Quaternary ammonium salts |
| 05/30/1989 | US4834920 New quaternary ammonium salts |
| 05/30/1989 | CA1254896A1 Fluorescent indicator dyes for calcium ions |
| 05/24/1989 | DE3738286A1 Process for the purification of organic acids or their salts |
| 05/23/1989 | US4832697 Hair dye preparations containing substantive nitrodiphenylamine derivatives |
| 05/23/1989 | CA1254698A1 Method for synthesizing esters |
| 05/23/1989 | CA1254583A1 Process for producing sulphonic acids |
| 05/23/1989 | CA1254581A1 Peracid and bleach activator compounds and use thereof in cleaning compositions |
| 05/23/1989 | CA1254569A1 Sulfonic acid salts of 6-amino-1,5-dihydro-4h- imidazo¬4,5-c|pyridin-4-one |
| 05/16/1989 | US4831185 Resolution of racemic mixture-dissolving in hydrocarbon solvent and crystallization |
| 05/16/1989 | US4830715 Functionalization of iodopolyfuorgalkanes by electrochemical reduction |
| 05/10/1989 | CN1032782A Fungicides |
| 05/09/1989 | CA1253877A1 Process for the preparation of carboxylic acid esters of hydroxy sulfonates |
| 05/03/1989 | EP0314380A1 Perfluoro(cycloaliphatic methyleneoxyalkylene)carbonyl fluorides and derivatives thereof |
| 05/03/1989 | EP0313939A2 Oxidation of thiols, disulfides and thiolsulfonates |
| 05/03/1989 | DE3734751A1 Intermediates and process for the preparation of sex pheromones of leaf miners |
| 05/02/1989 | US4827078 Process for extracting paraffins from their mixtures with alkanesulfonic acids |
| 05/02/1989 | US4826990 2-aryl substituted heterocyclic compounds as antiallergic and antiinflammatory agents |
| 05/02/1989 | US4826903 Condensation polymer containing the residue of an acyloxystyrl compound and shaped articles produced therefrom |
| 05/02/1989 | US4826635 Composition and a process for the preparation of (hydroxy (organosulfonyloxy)iodo)arenes and their use in a regiospecific synthesis of diaryliodonium salts |
| 04/25/1989 | CA1253171A1 Preparation of acyloxybenzenesulfonic acids and their alkali metal and alkaline earth metal salts |
| 04/20/1989 | DE3733290A1 Process for the preparation of 2-chloro-5-nitro- and 4-chloro-3-nitrobenzenesulphonyl chloride |
| 04/19/1989 | EP0312313A1 Overbased metal sulphonate composition |
| 04/19/1989 | EP0311961A2 Process for the preparation of ether and polyglycol ether sulfonates, and products prepared by this process |
| 04/19/1989 | EP0311893A2 Process for the preparation of 2,5-bis-(aminoarylamino)benzoquinones |
| 04/18/1989 | US4822502 Imidazoline promoter overbased calcium sulfonates |
| 04/12/1989 | EP0311012A2 Glaucoma treatment |
| 04/11/1989 | US4820820 Cationic surface-active compounds |
| 04/11/1989 | US4820452 Bechamp reduction of DNS to DAS using H2 SO4 and trace of HOAc |
| 04/11/1989 | US4820451 Process for the production of mobile pastes of washing-active α-sulfofatty acid ester salts of high solids content |
| 04/11/1989 | US4820388 Polyalkylene glycol naphthyl-3-sulfopropyl diether compounds and their salts, process for preparing same and electroplating baths containing same |
| 04/11/1989 | CA1252477A1 .gamma.-ALLENYL-.gamma.-AMINOBUTYRIC ACIDS |
| 04/05/1989 | EP0310370A1 2-aryl substituted heterocyclic compounds as antiallgeric and anti-inflammatory agents |
| 04/05/1989 | EP0310015A2 Renin-inhibiting dipeptides, process for their preparation, medicines containing them and their use |
| 04/05/1989 | EP0309841A2 Amino acid derivatives |
| 04/04/1989 | US4818658 Photoactive esterification product of a diazooxide compound and a curcumin dye and photoresist materials with product |
| 04/04/1989 | CA1252102A1 Herbicidal cyclohexane-1,3-dione derivatives |
| 03/29/1989 | EP0309421A2 O-alkanoyl derivatives of 3-amino-2-hydroxypropanesulfonic acid having anticonvulsivant activity and pharmaceutical compositions containing same for the therapeutical treatment of epilepsy |
| 03/29/1989 | EP0309392A2 Mono- and dichloro-4,4'-diaminodiphenyl-5,5'-disulfonic acids |
| 03/29/1989 | EP0308702A2 N-aryl-nitrogen heterocycles |
| 03/29/1989 | EP0182017B1 Surface-active condensation products |
| 03/28/1989 | US4816188 Process for the preparation of saturated/unsaturated mixed fatty acid ester sulfonates |
| 03/21/1989 | US4814514 Addition-condensation polymers, molding materials |
| 03/21/1989 | US4814108 Industrial cleaners, nonionic surfactant blends |
| 03/21/1989 | CA1251465A1 Process for preparing trifluoroacetic and trifluoromethane sulfonic acids |
| 03/15/1989 | EP0306823A1 Dithiocyanates useful as stabilising agents for rubber vulcanisates |
| 03/15/1989 | EP0239726B1 Process for the production of difluorochloromethoxybenzenes |