| Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484) |
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| 09/12/1990 | EP0386451A1 Oxygen-bearing diphenyl heteroalkanes, process for their preparation and use |
| 09/11/1990 | US4956494 Oxidation with peroxides in the presence of hydrochloric acid |
| 09/11/1990 | US4956104 Organophilic polymers |
| 09/11/1990 | US4956049 Impregnation and drying |
| 09/05/1990 | EP0385874A1 Functionalisation at position (n+1) of aryl derivatives disubstituted at position n and (n+2) |
| 09/05/1990 | EP0385504A1 Heat-latent curing catalyst and resin compositions containing the same |
| 09/03/1990 | CA2011348A1 Process for functionalizing n and (n+2) disubstituted arylic derivatives in the (n+ 1) position |
| 08/29/1990 | EP0384261A1 Process for the preparation of fluorooxy-fluorosulfonyl compounds by direct fluorination of fluoro-beta-sultones |
| 08/28/1990 | US4952726 Herbicides, plant growth regulators |
| 08/28/1990 | US4952725 Catalytic oxidation of 4-nitrotoluene-2-sulfonate |
| 08/28/1990 | US4952722 Cyclohex-2-en-1-one derivatives; herbicides |
| 08/28/1990 | US4952235 Herbicides |
| 08/28/1990 | CA1273353A1 Preparation of acyloxy benzene sulfonate |
| 08/24/1990 | WO1990009997A1 Novel benzimidazole derivatives |
| 08/24/1990 | CA2050908A1 Benzimidazole derivatives |
| 08/23/1990 | WO1990009170A2 Agents for diagnosing and treating melanomas, aromatic halogenated derivatives usable as such agents and their preparation |
| 08/22/1990 | EP0383365A2 Modified fluorocarbonylimino biurets |
| 08/22/1990 | CN1044808A Method for bromination of aromatic and heterocyclic compounds containing acceptor groups |
| 08/21/1990 | US4950793 Sulfonation of aromatic hydrocarbons; chloro-or fluoro-sulfonic acid with lewis acid catalyst |
| 08/21/1990 | US4950686 Anti-mycoplasma agent |
| 08/16/1990 | EP0382418A2 Process for optically active 3-thiolanyl sulfonate esters |
| 08/16/1990 | EP0382078A1 Aromatic keto compounds, their preparation and medicinal as well as cosmetic preparations containing them |
| 08/16/1990 | EP0382076A1 Phenylhydrazones, their preparation and medicaments and cosmetics manufactured therefrom |
| 08/16/1990 | EP0382075A2 Phenyl hydrazones of beta-jonones, their preparation and pharmaceutical and cosmetic compositions prepared therefrom |
| 08/16/1990 | EP0382034A1 N-aryl-nitrogenated heterocycles |
| 08/16/1990 | EP0381913A1 Benzohydroxamic-acid derivatives |
| 08/10/1990 | CA2008401A1 Oxidized diphenyleteroalkanes , the preparation and use thereof |
| 08/10/1990 | CA2008042A1 Diphenylheteroalkyl derivatives, the preparation thereof and drugs and cosmetics prepared therefrom |
| 08/10/1990 | CA2007933A1 Phenylhydrazones of b-ionone, the preparation thereof and drugs and cosmetics prepared therefrom |
| 08/09/1990 | WO1990005129A3 Quaternary ammonium antistatic compounds |
| 08/09/1990 | CA2009457A1 Process for optically active 3-thiolanyl sulfonate esters |
| 08/08/1990 | EP0381623A1 Process for the production of substituted cyclopropanals |
| 08/08/1990 | EP0216884B1 Photo-initiator for the photo-polymerization of unsaturated systems |
| 08/02/1990 | CA2009008A1 Process for the preparation of substituted cyclopropanecarbaldehydes |
| 07/26/1990 | WO1990008134A1 Chelating agent derivatives |
| 07/25/1990 | EP0379109A2 Glycerinaminocarboxylates, their preparation and use |
| 07/24/1990 | US4943656 Sulfonation of polyalkylaromatic compounds, separation into layered liquid phases |
| 07/24/1990 | US4943655 Intermediate for agricultural chemicals and pharmaceuticals |
| 07/24/1990 | US4943590 Antidepressants, stereospecific synthesis |
| 07/24/1990 | US4943393 Process for the manufacture of ester sulfonate pastes of low viscosity |
| 07/24/1990 | US4943358 Diphenyl methanes to benzoquinones, hydrogen bromide and hydrogen peroxide |
| 07/20/1990 | CA2008143A1 Glycerol aminocarboxylates and preparation and use thereof |
| 07/19/1990 | DE3844410A1 Inversion of the alcohol configuration in alpha-amino alcohols via intramolecular substitution of the sulphonate groups |
| 07/18/1990 | EP0377931A2 Isocyanate modified blocked sulfonic acid ester as a crosslinking catalyst |
| 07/17/1990 | US4942251 Catalytic sulfonation in oleum, porous carrier added, treated with reducing agent to deposit metal on carrier |
| 07/17/1990 | CA1271775A1 Isocyanate derivatives containing carbodiimide groups, a process for their production and their use as additives for aqueous solutions or dispersions of plastics |
| 07/12/1990 | WO1990007589A1 Process for impregnating anodized aluminium surfaces |
| 07/12/1990 | WO1990007538A1 Selected trinuclear novolak oligomers and their use in photoactive compounds and radiation sensitive mixtures |
| 07/12/1990 | WO1990007479A1 Method of obtaining bromated aromatic and heterocyclic combinations containing acceptor groups |
| 07/12/1990 | DE3900169A1 Verfahren zum impraegnieren anodisch erzeugter oberflaechen von aluminium A method of impregnating anodic surfaces of aluminum |
| 07/10/1990 | US4940814 Reaction of hexafluoropropene oxide with fluorinated carboxylic acid fluorides |
| 07/10/1990 | US4940573 Cationic surface-active compounds |
| 07/04/1990 | EP0376856A1 Preparation of biaryl compounds |
| 07/04/1990 | CN1043497A "tu"acid purifying technology |
| 07/04/1990 | CN1043496A Process for preparing benzohydroxamic derivatives |
| 07/03/1990 | US4939303 Chemical intermediates for pyrethroids |
| 07/03/1990 | US4939293 Sulfonated phenolic material and its use in post primary oil recovery |
| 07/03/1990 | US4939283 Surface active compounds having a polymerizable moiety |
| 07/03/1990 | US4938846 Evaporation of water |
| 06/27/1990 | EP0375439A2 Geminal diphenyl derivatives and their use in immunoassays |
| 06/27/1990 | EP0374166A1 AMINE SALTS OF ALKANE-1,n-DICARBOXYLIC ACID MONO-(2-SULFATO-ETHYL)AMIDES. |
| 06/26/1990 | US4936551 Fatty acid polyoxyalkyl ester sulfonates, a process for their production and their use as surfactants |
| 06/21/1990 | DE3941757A1 Azido-benzene-sulphonate ester(s) of monomeric, polymeric alcohol(s) - used in photosensitive material, esp. photoresist for IC mfr. |
| 06/20/1990 | EP0373305A1 Purification of alkanesulfonic acids using ozone |
| 06/20/1990 | EP0373304A1 Purification of alkanesulfonyl chlorides |
| 06/14/1990 | WO1990006301A1 Preparation of 2-(chloro, bromo or nitro)-4-(alkylsulfonyl)benzoic acids and intermediates |
| 06/14/1990 | WO1990006300A1 Concentrated, free-flowing anionic surface-active agents and process for the production thereof |
| 06/14/1990 | WO1990006296A1 Direct fluorination process for making perfluorinated organic substances |
| 06/14/1990 | WO1990006295A1 Preparation of biaryl compounds |
| 06/14/1990 | CA2005256A1 Benzohydroxamic derivatives |
| 06/13/1990 | EP0372571A2 Novel sphingenine and derivatives thereof |
| 06/12/1990 | US4933510 Propanol derivatives |
| 06/12/1990 | US4933367 Carboxylic acid derivatives, processes for the preparation thereof, the use thereof, and pharmaceutical compositions which contain these compounds |
| 06/12/1990 | US4933156 Iodine labeled binding compounds |
| 06/12/1990 | US4933103 Peroxide and amphoteric organic per acid precursor |
| 06/12/1990 | CA1270260A1 Process for the preparation of a low viscosity alkyl toluene or alkyl xylene sulfonate |
| 06/09/1990 | CA2004875A1 Sphingenine and derivative thereof |
| 06/06/1990 | EP0371406A1 Oxyalkylated quaternary ammonium compounds, processes for production thereof, and plant growth regulating compositions containing said compounds |
| 06/06/1990 | EP0371390A2 Amino acid derivatives |
| 06/06/1990 | EP0371369A1 Liquid, concentrated anionic tensides and process for their preparation |
| 06/05/1990 | US4931563 Using oleum with controlled sulfur trioxide content |
| 06/05/1990 | US4931549 Process for aryl-quinone and aryl-naphthoquinone diazide sulfonic acids |
| 06/05/1990 | CA1269993A1 AQUEOUS CONCENTRATES OF SALTS OF .alpha.-SULFONATED FATTY ACID ALKYL ESTERS |
| 05/31/1990 | WO1990005916A1 Fluorescent immunoassays and fluorescent compounds and tracers therefore |
| 05/31/1990 | WO1990005717A1 Preparation of 2-chloro-4-toluenesulfonic acid |
| 05/31/1990 | CA2004001A1 Amino acid derivatives |
| 05/31/1990 | CA2002598A1 Preparation of biaryl compounds |
| 05/30/1990 | EP0370867A1 Polyvalent metal salts of sulfonated derivatives of benzylidene-camphor and their use in the protection of the skin against ultra-violet radiation |
| 05/30/1990 | EP0370325A1 Process for the reductive dehalogenation of aromatics |
| 05/29/1990 | US4929752 Semicontinuous or continuous nitrosation bisulfite addition, acidification |
| 05/29/1990 | US4929642 Pest-combating agents based on substituted 1,4-naphthoquinones and new substituted 1,4-naphthoquinones |
| 05/29/1990 | US4929439 Sunscreen agents |
| 05/29/1990 | CA1269665A1 Amine dealkylation process |
| 05/23/1990 | EP0369944A1 Substituted oxadiamino butanes |
| 05/23/1990 | EP0369512A1 Oleum sulphonation process |
| 05/23/1990 | EP0369511A1 Process for preparation of quaternary ammonium and phosphonium substituted carbonic acid esters |
| 05/23/1990 | EP0369219A1 Light-sensitive compounds, preparation of a light-sensitive mixture therewith and a recording material |
| 05/23/1990 | CN1042349A 环戊烷衍生物 Cyclopentane derivatives |
| 05/22/1990 | US4927807 Renin inhibiting amides |
| 05/22/1990 | CA1269394A1 Ceric oxidant |