| 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) |
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| 10/25/1994 | US5359127 Process for the preparation of acyloxyalkanesulfonates |
| 10/23/1994 | CA2121722A1 Sterically hindered phenols |
| 10/13/1994 | WO1994022815A1 Haloalkylsulphonylarenes and aryl haloalkanesulphonates as fire retardant additives |
| 10/13/1994 | DE4311373A1 Process for the preparation of 4-nitrotoluene-2-sulphonic acid |
| 10/12/1994 | EP0619302A1 Process for the preparation of crystallized, salt-free, chlorosubstituted 3-nitrobenzene sulfonic acid hydrates |
| 10/12/1994 | EP0618922A1 Method of bleaching anionic surface-active compounds |
| 10/12/1994 | EP0552158B1 Derivatives of aspartic acid and glutamic acid having anti-cholecystokinin activity |
| 10/12/1994 | EP0504285B1 Fluorocarbon compounds and processes for preparation thereof |
| 10/05/1994 | CN1026106C Preparation of acetamide-N-sulfonic(ate) |
| 09/28/1994 | CN1092755A Benzene alkylation process using a fluorided silica-alumina and a linear C6 to C20 monoolefin |
| 09/22/1994 | DE4409428A1 Process for the preparation of sulphonated dispersing agents |
| 09/21/1994 | EP0615968A1 Benzene alkylation process using a fluorided silica-alumina and a linear C6 to C20 monoolefin |
| 09/21/1994 | EP0518875B1 Method for preparing 3-nitrobenzene sulphonic acid chloride |
| 09/20/1994 | US5349101 Process for the preparation of secondary alkyl sulfate-containing surfactant compositions |
| 09/20/1994 | CA2119413A1 Process for preparing sulfonated dispersants |
| 09/20/1994 | CA1332062C Sulfonamido derivatives inhibiting the aldose reductase enzyme system and pharmaceutical compositions containing them |
| 09/15/1994 | WO1994020458A1 Process to manufacture alkylbenzenesulphonic acid |
| 09/14/1994 | EP0474861B1 Alcohol-ester separation by reaction with acetate |
| 09/07/1994 | EP0613461A1 Method of preparing sulphated fatty-acid alkanolamides. |
| 09/07/1994 | EP0613460A1 Method of preparing light-coloured alkenyl sulphate pastes |
| 09/07/1994 | EP0474854B1 Alcohol-ester separation by recrystallization |
| 09/07/1994 | CN1091735A Preparation of 2-sulfofatacid-disalt-pasts |
| 09/06/1994 | US5344967 Improving color of motor oil detergents, polypropylene, polyisobutylene |
| 09/06/1994 | US5344939 Esterification |
| 09/01/1994 | WO1994019316A1 New compounds |
| 08/31/1994 | EP0612724A1 Substituted benzenesulfonylureas and -thioureas, process for their preparation and their use as pharmaceuticals |
| 08/30/1994 | USRE34712 Pharmaceutically useful (+)-1-(3-dimethylaminopropyl)-1-(4'-fluorophenyl)-1,3-dihydroiso benzofuran-5-carbonitrile and non-toxic acid addition salts thereof |
| 08/24/1994 | EP0611756A2 Alcohol or aldehyde derivatives as cathepsin L inhibitor and bone resorption inhibitor |
| 08/20/1994 | CA2115913A1 Alcohol or aldehyde derivatives and their use |
| 08/18/1994 | WO1994018160A1 Highly concentrated alkyl sulphate solutions |
| 08/18/1994 | WO1994018159A1 Process to improve alkyl ester sulfonate surfactant compositions |
| 08/17/1994 | CN1090789A Synthesis of sulfated polyhydroxy fatty acid amide surfactants |
| 08/16/1994 | US5338883 Benzenesulfonyl carboxamide compounds intermediate compounds and methods of preparation thereof and use of said compounds and intermediate compounds as herbicidal agents |
| 08/16/1994 | CA1331465C Sulphonoamide derivatives as thromboxane antagonists |
| 08/10/1994 | EP0609574A1 Highly concentrated alkyl sulphate solutions |
| 08/10/1994 | EP0474853B1 Protected hydroxy method for alcohol-ester separation |
| 08/04/1994 | WO1994017033A1 Process for preparing c-substituted diethylene triamines |
| 08/03/1994 | EP0608847A1 Carbocyclic sulfonamides as agonists or antagonists of PGEZ |
| 08/03/1994 | CN1090218A Secondary alkyl sulphate/zeolite-containing surfactant composition |
| 08/03/1994 | CN1025563C A process for preparing an indan derivative |
| 08/02/1994 | CA1331198C Process for the preparation of 4,4'-dinitrostilbene-2, 2'-disulfonic acid |
| 07/30/1994 | CA2113787A1 Carbocyclic sulfonamides |
| 07/27/1994 | CN1089940A Process for the isolation of 2-naphthylamine-1,5,7-trisulphonic acid |
| 07/26/1994 | US5332861 Fluorescent whiteners |
| 07/21/1994 | WO1994015910A1 METHOD OF PREPARING PASTES OF THE DI-SALT OF α-SULPHONIC FATTY ACID |
| 07/14/1994 | DE4300325A1 Prepn. of oligo:glycerol ester sulphate from fatty alcohol oligo:glycerol ester |
| 07/14/1994 | DE4300321A1 Prepn. of oligo:glycerol ether sulphate from fatty alcohol oligo:glycerol ether |
| 07/13/1994 | EP0606065A1 Method for the preparation of biphenyl derivatives |
| 07/12/1994 | US5329030 Process for the production of concentrated aqueous dispersions of α-sulfofatty acide mono- and/or disalt |
| 07/12/1994 | US5328992 Metal complexes of polyethylene glycol carbamate derivatives of desferrioxamine B |
| 07/07/1994 | CA2112795A1 Process for the preparation of biphenyl derivatives |
| 07/06/1994 | EP0604852A1 2,4-Substituted 5-(N-substituted-sulfamoyl) benzoylguanidines, as antiarrhythmic agents, inhibitors of the proliferation of cells and inhibitors of sodium-hydrogen exchange |
| 07/06/1994 | EP0604480A1 Method of producing neutral-tasting pastes of alkyl ether sulphates in glycerin |
| 07/06/1994 | CN1088978A Simple method for purifying of useful material in humectant, scouring agent and/or cleaning agent |
| 07/05/1994 | US5326906 Process for the extractive removal of phospho- and sulfobetaines from acidic reaction solutions |
| 06/29/1994 | EP0603275A1 Process to improve the color of sulf(on)ated surfactants without bleach |
| 06/29/1994 | CN1025189C Process for purifying paraffin sulphonic acids |
| 06/29/1994 | CN1025188C Improved process for preparing paraffin-sulfonic acids |
| 06/29/1994 | CA2112194A1 2,4-substituted 5-(n-substituted sulfamoyl) benzoylguanidines, process for their preparation, their use as drugs or diagnostic agents, and drugs in which they are present |
| 06/28/1994 | US5324854 Intermediate isocyana to benzenesulfonamide compounds |
| 06/23/1994 | WO1994013633A1 Detergent production |
| 06/23/1994 | WO1994013632A1 Secondary alkyl sulphate/zeolite-containing surfactant composition |
| 06/23/1994 | WO1994013462A1 Phenolic acid sulfate esters for prevention of marine biofouling |
| 06/23/1994 | CA2151746A1 Secondary alkyl sulphate/zeolite-containing surfactant composition |
| 06/23/1994 | CA2151463A1 Detergent production |
| 06/21/1994 | US5322957 Reacting a mixture ofglycerol and triglyceride with gasous sulfur trioxide; aging, neutralization |
| 06/21/1994 | US5322556 Process for preparing a sulfonated dispersant from petroleum asphalt fractions |
| 06/09/1994 | WO1994012472A1 Synthesis of sulfated polyhydroxy fatty acid amide surfactants |
| 06/09/1994 | WO1994012471A1 Sulphited fats with a reduced free-bisulphite content |
| 06/09/1994 | CA2148100A1 Synthesis of sulfated polyhydroxy fatty acid amide surfactants |
| 06/07/1994 | US5319117 Reacting a glyceride with sulfur trioxide, neutralization with a base, heating and separating the liquid phases |
| 06/07/1994 | US5318709 Enhanced oil recovery using mixture of alkyl ether sulfonate and alkoxylated alcohol produced by reacting alkyl ether sulfate with aqueous alkali metal sulfite solution |
| 06/07/1994 | US5318674 Process for preparing perfluoroalkanesulfonyl fluorides |
| 06/01/1994 | EP0599385A1 Process for preparing sulfonated paraffins with a larger content of polysulfonated species |
| 06/01/1994 | EP0598774A1 Benzenesulfonamide derivatives as herbicides |
| 06/01/1994 | DE4240219A1 Prepn. of 2-O-sulphonyl or 2-O-sulphato tetrol - which are activated intermediates suitable for conversion to ceramide 3 and related cpds. |
| 06/01/1994 | DE4240159A1 Sulfitierte Fettstoffe mit vermindertem Gehalt an freiem Hydrogensulfit Sulfited fatty compounds with a reduced content of free hydrogen sulfite |
| 06/01/1994 | DE4240153A1 New sulphonated poly:ol transesterification prods. - useful for leather dubbing and waterproofing |
| 05/26/1994 | WO1994011486A1 Process for the easier purification of valuable materials and/or their mixtures in the field of wetting, washing and/or cleaning agents and related substances |
| 05/26/1994 | CA2147207A1 A process for the simplified purification of useful materials and mixtures of useful materials from the field of wetting agents, detergents and/or cleaning products and associateduseful materials |
| 05/24/1994 | US5315036 Process for the preparation of 2-aminobenzene-1,4-disulphonic acids and the new compound 6-chloro-2-aminobenzene-1,4-disulphonic acid |
| 05/19/1994 | DE4334949A1 New nitrogen substd. phenol red dyes and sulphonaphthalein - having amino or nitro gps. and prepn. from amino sulphobenzoic anhydride and phenols and bondable to e.g. polymeric matrix for pH indicators |
| 05/19/1994 | DE4238576A1 2-Chloro-5-hydroxy:toluene-5-sulphonic acid prepn. - by sulphonation of 2-chloro-5-hydroxy-toluene in an aliphatic chloro:hydrocarbon solvent with relatively small amts. of sulphur tri:oxide |
| 05/19/1994 | DE4237934A1 Verfahren zur erleichterten Reinigung von Wertstoffen und Wertstoffgemischen aus dem Bereich der Netz-, Wasch- und/oder Reinigungsmittel sowie zugehöriger Wertstoffe Procedures to facilitate cleaning of reusable materials and recyclable material mixtures from the field of wetting agents, detergents and / or detergent and associated recyclables |
| 05/17/1994 | US5312974 Process for the production of light-colored lower alkane-sulfonic acids, more particularly methanesulfonic acid |
| 05/17/1994 | US5312950 Treatment of alcohol with cyclic anhydride and base, then extraction of half ester into aqueous solution |
| 05/17/1994 | US5312934 Synthesis of sulfated polyhydroxy fatty acid amide surfactants |
| 05/17/1994 | US5312932 Reaction of partial glyceride with sulfur trioxide, aging and neutralization |
| 05/05/1994 | DE4236502A1 Prepn. of fatty acid isethionate contg. soap, useful in prepn. of surfactants - by condensing isethionic acid or alkali salt with short chain fatty alcohol and adding long chain fatty acid and corresp. soap |
| 05/04/1994 | EP0594574A1 Process for making salts of sulphonated fatty acid glycerine esters. |
| 05/04/1994 | CN1086209A Method and equipment for preparing sulfate by burning brimstone in dry air |
| 04/28/1994 | WO1994008955A1 An improved method for preparing n-fluorosulfonimides |
| 04/27/1994 | EP0594297A1 Process for preparing fatty acid esters and amides of sulfonic acid salts |
| 04/27/1994 | EP0593432A1 Process for making short-chain alkane sulphonic acids from olefines |
| 04/26/1994 | US5306855 Oxidative conversion to oxy-esters; conversion to alcohol intermediate; catalysis |
| 04/26/1994 | CA1328889C Purification of alkanesulfonyl chlorides |
| 04/21/1994 | DE4235139A1 Lowering the viscosity of alpha-sulphonated fatty acid mono- and/or di-salt dispersion - by adding solid particles during the neutralisation of the sulphonated fatty acid, prepd. by reacting the corresponding acid with gaseous sulphur tri:oxide with aq. base |
| 04/20/1994 | EP0592509A1 Activated propenes as colour couplers and a method for their production. |
| 04/20/1994 | CN1024276C Process for preparing 6-methyl-3,4-dihydro-1,2,3-oxathiazin-4-one 2,2-dioxide and its non-toxic salts |
| 04/19/1994 | US5304669 Process for the production of alkyl sulfate pastes having improved flow properties |