| Patents for C07C 303 - Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides (11,473) |
|---|
| 03/12/2003 | CN1401629A Image forming agent, its precursor and preparing process thereof |
| 03/11/2003 | US6531629 Oxidation of alkylmercaptans and/or dialkyl di- or poly-sulfides with nitric acid; produced nitrogen oxides reacted with oxygen to give nitric acid which is recycled; suppresses formation of nitrous oxide |
| 03/11/2003 | US6531622 Crytalline form of (s)-2 ethoxy -3-[4-(2-{4- methanesulfonyloxyphenyl} ethoxy)phenyl]propanoic acid |
| 03/11/2003 | US6531605 Reacting diazonium salt of aminopyridine or aminobenzene with thionyl chloride in water, electron transfer catalyst; 2-chloropyridine-3-sulfonyl chloride; avoids use of acetic acid and sulfur dioxide; no extraction isolation problems |
| 03/06/2003 | WO2003018552A2 Aromatic and heteroaromatic acid halides for synthesizing polyamides |
| 03/06/2003 | WO2002070470A3 Benzophenones as inhibitors of reverse transcriptase |
| 03/06/2003 | US20030045754 Process for the preparation of diphenyl ether compounds |
| 03/06/2003 | US20030045730 Process for preparation of optically active n-substituted azetidine-2-carboxylic acids |
| 03/06/2003 | US20030045727 Process for preparing optically active secondary alcohols having nitrogenous or oxygenic functional groups |
| 03/06/2003 | US20030045713 Diphosphines |
| 03/06/2003 | US20030045579 Compounds and compositions for delivering active agents |
| 03/06/2003 | CA2458616A1 Aromatic and heteroaromatic acid halides for synthesizing polyamides |
| 03/05/2003 | EP1288198A1 Process for the production of sulfonic esters |
| 03/05/2003 | EP1286960A2 Improved isolation of phenyl ester salts from mixtures comprising sulfolane |
| 03/05/2003 | EP1286959A2 Extractive solution crystallization of chemical compounds |
| 03/05/2003 | EP1286958A2 Improved purification of phenyl ester salts |
| 03/05/2003 | CN1400207A Sulfonamide phenylalkylamine compound, its preparation method and application |
| 03/05/2003 | CN1400200A Prepn of surfactant containg branched alkyl radical |
| 03/04/2003 | US6527690 Purification of phenyl ester salts |
| 02/27/2003 | WO2003016285A1 Method of preparing 4-(imidazole-1-il)benzenesulphonamide derivatives |
| 02/27/2003 | WO2003016249A1 Process for producing branched olefins from linear olefin / paraffin feed |
| 02/27/2003 | WO2003016246A1 Fluorous nucleophilic substitution of alcohols and reagents for use therein |
| 02/27/2003 | WO2002072542A3 Ph-dependent nmda receptor antagonists |
| 02/27/2003 | US20030040626 Method for the production of N-(5-amino-2-cyano-4-fluoro-phenyl)-sulphonamides and new intermediate products |
| 02/26/2003 | EP1285910A2 Process for preparing acyloxybenzenesulfonates |
| 02/26/2003 | EP1285902A1 Method for labeling with tritium |
| 02/26/2003 | EP1285690A2 Process for producing solids in granular form |
| 02/26/2003 | EP1284959A1 Compounds for modulating the rage receptor |
| 02/26/2003 | CN1398852A Prepn of methallyl sulfonate |
| 02/26/2003 | CN1102145C Process for prepn. of N,N-substituted ureas |
| 02/25/2003 | US6525233 Process for preparing a modified alkylaryl |
| 02/20/2003 | WO2003014070A1 Arylalkylsulfonic acids and methods for producing same |
| 02/20/2003 | WO2003014056A1 Process for producing optically active 2-substituted carboxylic acid |
| 02/20/2003 | WO2002024635A3 Aminoalcohol derivatives |
| 02/20/2003 | CA2455866A1 Arylalkylsulfonic acids and methods for producing same |
| 02/19/2003 | CN1398252A Dehydroamino acids compounds |
| 02/19/2003 | CN1398247A Colchinol derivatives as vascular damaging agents |
| 02/19/2003 | CN1397547A Novel benzene amine compound, its prepn. process and medicinal compsns. contg. them |
| 02/13/2003 | US20030032814 Process for preparing optically active amino acid derivatives |
| 02/12/2003 | EP1282597A1 Method for the production of $g(v)-aminoalkylsulphonic acids |
| 02/12/2003 | EP1282590A2 A process for the preparation of anthracycline derivatives |
| 02/12/2003 | CN1101461C Detergent compositions containing mid-chain branced surfactants |
| 02/11/2003 | US6518455 Process for preparing substituted aromatic and heteroaromatic aldehydes and carboxylic acids |
| 02/11/2003 | US6518310 Non-peptidic; inhibits trypsin-like protease, thrombin and embolus formation; anticoagulant |
| 02/06/2003 | WO2003010136A1 Organometallic complexes, catalysts containing the same, and process for preparation of carboxylic esters |
| 02/06/2003 | WO2003010128A2 Perfluoroalkyl-substituted amines, acids, amino acids and thioether acids |
| 02/06/2003 | US20030027859 3-aryl-2-hydroxypropionic acid derivative I |
| 02/06/2003 | US20030027061 Can be imaged with short wavelength radiation |
| 02/05/2003 | CN1395560A Glyburide composition |
| 02/05/2003 | CN1395559A Novel process for preparation of alpha-(2.4-disulfophenyl)-N-tert-butylnitrone and pharmaceutically acceptable salts thereof |
| 02/05/2003 | CN1100754C Method for producing trifluoroacetoacetic acid anilides |
| 02/04/2003 | US6515189 reacting agent involves the passage of the reactant along a flow path having a width of from 10 to 1000 mu m in such a way that essentially laminar flow of the reactant takes place. and nitration reaction which involves reaction of a first |
| 02/04/2003 | US6515153 Process for forming amido esters utilizing a spinning disc reactor |
| 02/04/2003 | US6515124 Dehydroamino acids |
| 01/30/2003 | WO2002014266A1 Method for producing alkyl aryl sulphonates |
| 01/30/2003 | WO2002010151A2 Method for producing lipoic acid and dihydrolipoic acid |
| 01/30/2003 | US20030023095 Reacting 4-nitro-N- methylaniline and carbyl sulphate in presecne of a nitrile-substituted organic hydrocarbon, an ether of polyhydric alcohols or a cyclic ether |
| 01/30/2003 | US20030022934 For therapy and prophylaxis of pain and/or neurodegenerative disorders |
| 01/30/2003 | US20030022114 Method for preparing an acid salt of p-phenylenediamine-type photographic color developers |
| 01/30/2003 | CA2417842A1 Method for producing lipoic acid and dihydrolipoic acid |
| 01/29/2003 | EP1279664A2 Process for the preparation of methallylsulphonic acid salts |
| 01/29/2003 | EP1278722A1 Aryl and heteroaryl sulfonates |
| 01/29/2003 | EP1278718A1 Novel amino acid derivatives, preparation method, compositions containing same and uses thereof as sunscreens |
| 01/29/2003 | CN1394200A Process for preparation of alpha-(2,4-disulfophenyl)-N-tert-butylnitrone and pharmaceutically acceptable salts thereof |
| 01/28/2003 | US6511989 For therapy of vagal dysfunction in the heart, improving cardiac function, therapy of person susceptible to cardiac death |
| 01/28/2003 | US6511977 For preventing or treating cardiac arrhythmia or atrial arrhythmia |
| 01/24/2003 | WO2002010145A1 Urethane derivatives |
| 01/24/2003 | CA2417268A1 Urethane derivatives |
| 01/23/2003 | WO2003006563A1 A compressed fluid formulation |
| 01/23/2003 | US20030017948 For herbicides |
| 01/23/2003 | US20030017426 Method for purifying free-base p-phenylenediamine-type photographic color developers |
| 01/22/2003 | EP1276716A2 Metal chelating compositions |
| 01/22/2003 | CN1392139A Large monomer containing methacrylate structure, its preparing method and use |
| 01/21/2003 | US6509500 Reacting an amine with acid chloride |
| 01/21/2003 | US6509472 For use in enantioselective reduction of prochiral ketones to chiral secondary alcohols |
| 01/16/2003 | WO2003004463A1 Fluorofunctional statistical polymers with low glass transition temperature and method for obtaining same |
| 01/16/2003 | US20030013915 Method for preparing fluorosulfonyl imide monomer |
| 01/16/2003 | US20030013912 Self-doped conductive polymer, monomer for synthesizing self-doped conductive polymer, and processes of producing the same |
| 01/16/2003 | US20030013910 Method for synthesis of alpha-sulfonamido amide, carboxylic acid and hydroxamic acid derivatives |
| 01/16/2003 | US20030013760 Substituted 1-naphthoylguanidines, process for their preparation, their use as a medicament or diagnostic, and medicament containing them |
| 01/16/2003 | CA2447622A1 Fluorofunctional statistical polymers with low glass transition temperature and method for obtaining same |
| 01/15/2003 | EP1275641A2 Benzenesulfonamide derivatives, process for their preparation and pharmaceutical compositions containing them |
| 01/15/2003 | EP1274678A1 Novel alpha-sulfin- and alpha-sulfonamido acid amides |
| 01/15/2003 | EP1274672A1 Method for producing substituted nitro benzoic acids by oxidation of corresponding nitro toluenes, nitro benzyl alcohols, esters and/or ethers |
| 01/15/2003 | CN1391554A Method for preparing dimetal sulfonyl amide salts |
| 01/15/2003 | CN1391553A Novel intermediate for sweetener with high sweetness and process for producing the same |
| 01/15/2003 | CN1390540A Preparing process and usage of zine taurinate |
| 01/14/2003 | US6506937 Used as antiarrhythmics |
| 01/14/2003 | US6506701 Polymer-supported quenching reagent covalently reacts with unreacted starting materials |
| 01/09/2003 | WO2003003115A1 Method for purifying free-base p-phenylenediamine-type photographic color developers |
| 01/09/2003 | WO2003002506A1 Process for producing fluorinated vinyl ether |
| 01/09/2003 | US20030009046 Preparation of preparing substituted indanones |
| 01/09/2003 | US20030008800 Method for reducing malodors in hydrotropic compositions |
| 01/09/2003 | US20030006195 Divalent and trivalent metal salts are added to solution containing fluorine compound and polymer containing fluorine to precipitate layered double hydroxide containing fluorine compound between layers |
| 01/08/2003 | EP1273569A1 Self-doped conductive polymer, monomer for synthesizing self-doped conductive polymer, and processes of producing the same |
| 01/08/2003 | EP1272461A1 Alpha-sulfin- and alpha-sulfonamino acid amide derivatives |
| 01/08/2003 | EP1272460A1 Novel alpha-sulfin- and alpha-sulfonamino acid amide derivatives |
| 01/07/2003 | US6504050 Process for the preparation of 2-acrylamido-2-methyl-1-propanesulfonic acid |
| 01/05/2003 | CA2352417A1 Process the synthesis of fluorosulfone monomers and their copolymerization with fluorinated alkenes |
| 01/03/2003 | WO2003000653A1 Substituted n-acyl aniline derivatives, production and use thereof as medicaments |