| Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484) |
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| 06/20/2000 | US6077941 Method for producing 1,2-naphthoquinone-2-diazide derivatives |
| 06/20/2000 | US6077698 Nonpolymeric compound including at least two aryl ketones and one or more sulfonate, phosphonate, and carboxylate groups; for surface treatments and immobilization in aqueous systems |
| 06/15/2000 | WO2000034233A1 Continuous production of 2-acrylamido-2-methylpropane-sulfonic acid in a small reactor integrated with acrylic polymer fiber production |
| 06/15/2000 | WO2000033846A1 Pentacyclic triterpenes |
| 06/15/2000 | CA2354392A1 Continuous production of 2-acrylamido-2-methylpropane-sulfonic acid in a small reactor integrated with acrylic polymer fiber production |
| 06/15/2000 | CA2354049A1 Pentacyclic triterpenes |
| 06/13/2000 | US6075115 Contacting 5-sulfo isophthalic acid metal salt and dialkyl ester of 5-sulfo isophthalic acid metal salt in presence of a catalyst with glycol to form dyeable cationic polyester |
| 06/13/2000 | CA2147230C Filtering cosmetic compositions containing an acid hydrophilic agent and use thereof |
| 06/08/2000 | WO2000032546A1 Branched alkyl-aromatic sulfonic acid dispersants for solubilizing asphaltenes in petroleum oils |
| 06/08/2000 | DE19855353A1 Benetzungsmittel, enthaltend sulfonierte Dicarbonsäureester Wetting agent comprising sulfonated dicarboxylic acid ester |
| 06/08/2000 | DE19855335A1 Production of aminoarylsulfonic acids comprises hydrogenation of nitroarylsulfonic acids in an aqueous medium in the presence of a pre-treated Raney nickel catalyst |
| 06/07/2000 | EP1006106A2 Surfactants containing sulphonated dicarboxylic acid esters |
| 06/07/2000 | EP1005451A2 Process for preparing and/or purifying amido acid phenyl ester sulfonates |
| 06/07/2000 | EP0876328B1 Amphiphilic compounds with a plurality of hydrophilic and hydrophobic groups based on carbonic acid derivatives |
| 06/07/2000 | CN1053174C Method for sulfonating liquid state organics by gas phase sulfur trioxide and its equipment |
| 06/06/2000 | US6071510 Modified amino acids and compositions comprising the same for delivering active agents |
| 06/02/2000 | WO2000031028A2 Improved synthesis of bleach activators |
| 06/02/2000 | WO2000031027A1 Method of producing alkane sulfonic acid |
| 06/02/2000 | CA2349003A1 Improved synthesis of bleach activators |
| 05/31/2000 | EP0839127B1 Process for preparing n-acylaminocarboxylic acids and n-acylaminosulphonic acids and the alkali metal salts thereof |
| 05/31/2000 | DE19854428A1 Verfahren zur Herstellung von Alkansulfonsäuren A process for preparing alkanesulfonic acids |
| 05/31/2000 | CN1255123A Process for covalently coupling organic compounds utilizing diboron derivatives |
| 05/30/2000 | US6069262 Non-catalyzed esterification within heated reaction vessel containing reaction mixture having molar excess of fatty acid; personal care cleansers |
| 05/25/2000 | WO2000029374A1 Benzenesulfonic acid derivative compounds, process for producing the same, and use thereof |
| 05/24/2000 | EP1002031A1 Improved alkyl aryl sulfonate surfactants |
| 05/24/2000 | EP1002028A1 Cleaning products comprising improved alkylarylsulfonate surfactants prepared via vinylidene olefins and processes for preparation thereof |
| 05/24/2000 | EP1002020A1 Dye intermediate and method to manufacture dyes |
| 05/24/2000 | EP1001921A1 Improved processes for making alkylbenzenesulfonate surfactants and products thereof |
| 05/24/2000 | EP0817767B1 Bicyclic amine derivatives and their use as anti-psychotic agents |
| 05/24/2000 | CN1254328A Process for preparing substituted 2-3-dihydro-1-indanones |
| 05/24/2000 | CN1253946A Method for clean producing substituted arylamine sulfonic acid |
| 05/24/2000 | CN1052719C Process for preparation of 1,4-diaminonan-thraquinone-2,3-disulfonic acid |
| 05/23/2000 | US6066760 Process for the preparation of alkane sulfonic acid and alkane sulfonyl chloride |
| 05/23/2000 | US6066756 Phenylacetic acid derivatives, preparation thereof and intermediates therefor, and compositions containing them |
| 05/23/2000 | US6066755 Amphiphilic compounds with a plurality of hydrophilic and hydrophobic groups based on carbonic acid derivatives |
| 05/23/2000 | CA2047968C New surfactant compositions, method for their preparation, and pesticidal compositions containing same |
| 05/18/2000 | WO2000027807A1 Polymorphic forms of an amyloidosis inhibitor and methods of preparation |
| 05/18/2000 | WO2000007979A3 Compounds and compositions for delivering active agents |
| 05/17/2000 | CN1253553A Substituted phenyl derivatives, their preparation and use |
| 05/17/2000 | CN1253545A Aryl sulfonamides and analogues thereof and their use in treatment of neurodegenerative diseases |
| 05/17/2000 | CN1052475C Process for preparing 4,4'-dinitrostilbene-2,2'-disulphonic acid |
| 05/16/2000 | US6063753 Anionic surfactants formed by esterification of fatty acid with with ammonium hydroxyalkanesulfonate |
| 05/16/2000 | US6063587 Storage stable reagent for measurement of a dehydrogenase |
| 05/16/2000 | US6063545 Comprising a sulfonated polyhydroxy-substited benzene to generate a strong acid using actinic radiation, a compound having two groups crosslinkable by means of acid and a binder insoluble in water or soluble/swellable in aqueous alkaline |
| 05/11/2000 | WO2000025770A1 Carbocyclic potassium channel inhibitors |
| 05/10/2000 | EP0999258A1 Low viscosity, chloride-free, low overbased alkyl-aryl-sulfonate, its application as an additive for lubricating oil, and methods of preparation |
| 05/10/2000 | EP0998605A1 Mixtures of optical brighteners |
| 05/10/2000 | EP0998504A1 Polymerization of olefins |
| 05/10/2000 | EP0998453A1 Sulphonation process and novel sulphonated compounds |
| 05/10/2000 | EP0736004B1 (2,4-disulfophenyl) n-tertiary butyl nitrone, its salts, and their use as pharmaceutical radical trapping agents |
| 05/10/2000 | CN1252707A Use of unsaturated aldehydes in dying fibers containing keratin |
| 05/10/2000 | CN1052277C Dyeing process for keratin materials, with improved exhaustion of bath constituents |
| 05/10/2000 | CN1052222C Method for improvement of surface active agent composition of alkyl sulfonate |
| 05/09/2000 | US6060621 Process for the preparation of methanesulfonic acid |
| 05/09/2000 | US6060455 Cationic and polycationic amphiphiles, reactives containing the same and their use |
| 05/05/2000 | CA2273191A1 Low viscocity, chloride-free, low overbased alkyl-aryl-sulfonate, its application as an additive for lubricating oil, and methods of preparation |
| 05/04/2000 | WO2000024709A2 Monomers, ionomers and polymers for electrochemical uses |
| 05/04/2000 | WO2000024708A1 Disulfonated alkylamines as degreasers and hydrotropes |
| 05/04/2000 | CA2347175A1 Disulfonated alkylamines as degreasers and hydrotropes |
| 05/04/2000 | CA2342887A1 Monomers, ionomers and polymers for electrochemical uses |
| 05/03/2000 | EP0997518A1 Low overbased alkylaryl sulfonates |
| 05/03/2000 | EP0997455A1 Restricted 9-cis retenoids |
| 05/03/2000 | EP0997147A1 Amino acid derivatives |
| 05/03/2000 | EP0996614A1 Acrylonitrile compounds, process for their production and pesticides containing them |
| 05/03/2000 | EP0861233B1 N-protected/n-substituted-beta-amino hydroxy sulfonates |
| 05/02/2000 | US6057463 Amidation of aminoalkanesulfonic acid with fatty acid |
| 05/02/2000 | CA1340980C Process for the preparation of acetoacetylarylamides and -heteroarylamides of deactivated aromatics |
| 04/27/2000 | WO2000023549A1 Laundry detergents comprising modified alkylbenzene sulfonates |
| 04/27/2000 | WO2000023548A1 Laundry detergents comprising modified alkylbenzene sulfonates |
| 04/27/2000 | WO2000023422A1 Hydrazinooxoacetamide derivatives and insecticide |
| 04/27/2000 | WO2000003034A3 Novel polycyclic aromatic fluorogenic substrates for hydrolases |
| 04/26/2000 | EP0994848A1 Glucagon antagonists/inverse agonists |
| 04/26/2000 | CN1251576A Process for producing perfluorovinyl ethersulfonic acid derivatives and copolymer of same |
| 04/26/2000 | CN1251573A Solid composition suitable for oral administration comprising non hydroscopic salts of L-carnitine or alkanoyl-L-carnitine with 2-aminoethanesulfonic acid |
| 04/26/2000 | CN1051761C Process for preparing di-n-octyl succinate sodium sulfonate |
| 04/25/2000 | US6054448 2-amino-2-(3-substituted cyclobutyl) acetic acid derivatives |
| 04/25/2000 | US6054419 Mixture of alkyl-aryl-sulfonates of alkaline earth metals, its application as an additive for lubricating oil, and methods of preparation |
| 04/20/2000 | WO2000022167A1 Method for determining transcription factor activity and its technical uses |
| 04/20/2000 | WO2000022012A1 Polymers, containing a fluorocyclobutyl ring and their preparation |
| 04/20/2000 | WO2000021920A1 Diaminopropionic acid derivatives |
| 04/20/2000 | CA2346364A1 Method for determining transcription factor activity and its technical uses |
| 04/20/2000 | CA2342886A1 Polymers, containing a fluorocyclobutyl ring and their preparation |
| 04/19/2000 | EP0993445A1 New oxime sulfonates and the use thereof as latent sulfonic acids |
| 04/19/2000 | EP0730570B1 Method for making intermediates useful in synthesis of retroviral protease inhibitors |
| 04/19/2000 | CN1251090A Method for prepn. of fatty acyl isethionate salt |
| 04/19/2000 | CN1051556C Process for prepn. of heterosubstituted acetals |
| 04/18/2000 | US6051731 O-or S-substituted tetrahydronaphthalene derivatives having retinoid and/or retinoid antagonist-like biological activity |
| 04/18/2000 | US6051670 Compositions and processes for treating subterranean formations |
| 04/18/2000 | US6051358 Unsymetrical photoactive compound having at least 2 diazooxynaphthalenesulfonyloxy groups |
| 04/18/2000 | CA2087604C Diamine compounds and cerebral protective drugs containing the same |
| 04/13/2000 | WO2000020389A1 Naphthalenecarboxamides as tachykinin receptor antagonists |
| 04/13/2000 | WO2000020384A1 Diphenyl compounds substituted by camphor or hydantoin derivatives as sunscreen compositions |
| 04/13/2000 | WO2000020371A1 Prostaglandin receptor ligands |
| 04/13/2000 | CA2346443A1 Prostaglandin receptor ligands |
| 04/13/2000 | CA2345133A1 Naphthalenecarboxamides as tachykinin receptor antagonists |
| 04/12/2000 | EP0992545A1 Azo dyes and printing inks containing them |
| 04/12/2000 | EP0726889B1 Process for preparing substituted aromatic amines |
| 04/12/2000 | CN1250047A Dibromo-p-methyl azochlorosulfonate and its producing process |
| 04/12/2000 | CN1051305C Acylated aminophenyl urea compounds, their preparation and their use as herbicides and plant-growth regulators |
| 04/12/2000 | CN1051300C Hydrazinecarboxamide derivatives use for agricultural and horticultural pesticide |