| 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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| 06/07/1988 | US4749526 Process for preparing fluoraliphatic ether-containing carbonyl fluoride compositions |
| 06/07/1988 | US4749523 Neutralizing acid and subsequent amine acylation to amide group; efficient |
| 06/01/1988 | EP0269514A2 Derivatives of 2,2-dimethylcyclopropanecarboxylic acid bearing a saturated halogenated chain at C-3, process and intermediates for their preparation, their use as pesticides and compositions containing them |
| 05/31/1988 | US4747972 Sulfonic acid compositions having reduced sulfur-containing contaminants |
| 05/25/1988 | EP0268224A2 Process for the isolation of paraffin sulfonates poor in alkalisulfates and sulfuric acid from paraffin sulfoxidation-reaction mixtures without the necessary production of sodium sulfate |
| 05/25/1988 | EP0268088A1 1-Aminomethylnaphthalene-6-sulfonic acid, its preparation and its use |
| 05/24/1988 | US4746350 Herbicidal bis(cyclohexane-1,3-dione)derivatives |
| 05/18/1988 | EP0267518A1 Process for the sulfation of partial esters of polyvalent aliphatic alcohols |
| 05/17/1988 | US4745066 Method for producing optically active glycol derivatives |
| 05/17/1988 | US4744921 Methods for preparing, group II metal overbased sulfurized alkylphenols |
| 05/17/1988 | US4744818 Herbicidal N-halo-5(substituted-phenoxy or -pyridyloxy)-2-substituted benzoic acid sulfonamides and sulfamates |
| 05/17/1988 | CA1236850A1 Nopol derived sulfonates |
| 05/11/1988 | CN87105310A Process for extracting paraffins from their mixtures with alkanesulphonic acids |
| 05/10/1988 | US4743622 Fluoro compounds |
| 05/10/1988 | US4743404 Process for preparing alkyl-sulphonyl chlorides and arylalkyl-sulphonyl chlorides |
| 05/04/1988 | EP0265818A2 Process for the preparation of N,N-disubstituted beta-aminoacids and their use in water-proofing leather and skins |
| 05/03/1988 | US4741868 Production of sulfonated asphalt |
| 05/03/1988 | US4741738 Sulfonation of fats and oils |
| 04/27/1988 | EP0265052A1 Process for preparing fluoroaliphatic ether-containing carbonyl fluoride compositions |
| 04/26/1988 | US4740333 From 3-fluorotoluene with chlorosulfonic acid and thionyl chloride |
| 04/20/1988 | CN87105311A Process for extracting paraffins from their mixtures with paraffinsulphonic acids |
| 04/19/1988 | US4738804 Sulfonation petroleum feedstock, solvent extraction and neutralization |
| 04/19/1988 | CA1235427A1 Oil soluble low temperature curing quaternary ammonium monomers |
| 04/06/1988 | EP0262420A2 Surfactant condensation products |
| 04/05/1988 | US4736057 Cyclohexane derivatives |
| 04/05/1988 | US4735969 Menadione choline bisulfite adduct, its preparation and antihemorrhagic compositions |
| 04/05/1988 | US4735747 Process and apparatus for the photochemical sulphochlorination of gaseous alkanes |
| 04/05/1988 | CA1234819A1 N-(thio)carbamoylaryl(thio)carboximidic acid esters, process for their preparation, agents containing them and their use as pest control agents |
| 03/30/1988 | EP0262093A2 Process for the preparation of 1-amino-2-naphthol-4-sulfonic acid |
| 03/30/1988 | EP0261701A1 Process for removing paraffins from their mixtures with paraffinsulphonic acids |
| 03/30/1988 | EP0261700A1 Process for extracting paraffins from their mixtures with parraffinsulphonic acids |
| 03/30/1988 | EP0261336A2 Process for the preparation of pure enantiomers of R-(+)-alpha-lipoic acid and S-(-)-alpha-lipoic acid (thioctic acid), and nonene or mesyl derivatives as intermediates therefor |
| 03/30/1988 | EP0261331A1 Alpha-hydroxy-propyne sulphonic acid and its salts, acidic nickel baths containing these compounds and method for their preparation |
| 03/30/1988 | EP0261327A1 Process for the production of trihydroxy- or alkoxyhydroxybenzenes |
| 03/23/1988 | CN87105306A Process for removing paraffins from their mixtures with paraffinsulphonic acids |
| 03/22/1988 | US4732912 Phenol derivatives |
| 03/22/1988 | CA1234392A1 Process for reducing sulfur-containing contaminants in sulfonated hydrocarbons, products derived therefrom, and lubricants containing same |
| 03/16/1988 | EP0259817A2 Process for preparing Hypofluorites and bis-hypofluorites |
| 03/15/1988 | US4731479 Famotidine intermediates |
| 03/15/1988 | US4731478 Sulfamoyl-substituted phenethylamine derivatives, their preparation, and pharmaceutical compositions, containing them |
| 03/09/1988 | EP0258727A1 Process for the preparation of an o-naphthoquinone diazide sulfonic-acid ester |
| 03/09/1988 | EP0185061B1 Process for reducing sulfur-containing contaminants in sulfonated hydrocarbons, products derived therefrom, and lubricants and fuels containing same |
| 03/09/1988 | EP0160909B1 Process for the chlorination and sulphochlorination of organic compounds |
| 03/08/1988 | US4730038 Water-soluble disazo compounds of 1-amino-8-naphthal-3,6- or 4,6-disulfonic acid as bivalent coupling component, containing fiber-reactive groups suitable as dyestuffs |
| 03/08/1988 | US4730008 Stimulant for beta-adrenoreceptors |
| 03/02/1988 | EP0258096A2 Indane derivatives, process for their preparation, their use as medicines, pharmaceutical compositions containing them and the intermediates obtained |
| 03/02/1988 | EP0257921A2 New 1,3-diaryl cyclopentanes and derivatives thereof as paf antagonists |
| 03/02/1988 | EP0257787A1 Process for producing optically active benzene-sulfonamide derivates |
| 03/01/1988 | CA1233481A1 Preparation of alkali metal and alkaline earth metal salts of acyloxybenzenesulfonic acids |
| 03/01/1988 | CA1233466A1 Herbicidal cyclohexane-1,3-dione derivatives |
| 02/16/1988 | US4725679 Process for producing 2-amino-alkenylsulfonylurea derivatives |
| 02/04/1988 | DE3625581A1 Process for the purification of aqueous sulphosuccinic acid which contains maleic or fumaric acid |
| 02/03/1988 | CN87104970A Substituted amino-5,6, 7,8-tetrahydronaphthyl-oxyacetic acids, processes for their preparation and their use as medicaments |
| 02/02/1988 | US4723037 Process for making 1,3-dioxane derivatives |
| 02/02/1988 | US4723029 Organic acid-substituted guanidine anthelmintics |
| 01/27/1988 | EP0254461A2 Combatting plant nematodes using substituted hydrazones |
| 01/27/1988 | EP0254368A1 Process for extracting paraffins from their mixtures with alkanesulphonic acids |
| 01/27/1988 | CN87104974A Substituted hydrazones, process of preparation and their use as pesticide |
| 01/27/1988 | CN86104611A Processes for the preparation of therapeutic agents |
| 01/26/1988 | US4721717 α-(aminoalkylaminomethyl)phenylmethanols, composition containing them, and use thereof to treat certain heart and circulatory diseases |
| 01/26/1988 | CA1231968A1 Process for isolating paraffinsulfonates and sulfuric acid of low alkali metal sulfate content from paraffinsulfoxidation reaction mixtures |
| 01/20/1988 | EP0253257A2 Substituted amino-5,6,7,8-tetrahydronaphthyl-oxyacetic acids, method for their preparation and their application as medicaments |
| 01/19/1988 | CA1231709A1 2-amino-alkenylsulfonylureas |
| 01/13/1988 | EP0252431A2 Process for the preparation of N-fluorsulfon amides |
| 01/12/1988 | US4719051 Oxygenation |
| 01/07/1988 | EP0251250A2 Hair treating composition |
| 01/05/1988 | US4717514 Process for preparing p-toluidine-2-sulphonic acid |
| 01/05/1988 | CA1231099A1 Long chain alkyl- or alkenyl quaternary ammonium salts and their use as drag reducing agents |
| 12/29/1987 | US4716226 Optically active 4-carbalkoxy-2-azetidinones |
| 12/29/1987 | US4715995 One step, from 2,4-dichlorobenzal chloride |
| 12/23/1987 | EP0249846A1 Process for the preparation of solid alkali metal salts of alpha sulfofatty acid alkyl esters |
| 12/23/1987 | EP0249610A1 Synthesis of optically active aryloxypropanolamines and arylethanolamines. |
| 12/22/1987 | CA1230608A1 Process for the production of 4-nitrotoluene-2- sulfonic acid |
| 12/22/1987 | CA1230606A1 2-ketosulfonamides and process for their preparation |
| 12/17/1987 | DE3619508A1 Amino acid derivatives |
| 12/16/1987 | EP0248879A1 Synthesis of aryloxypropanolamines and arylethanolamines |
| 12/09/1987 | EP0248586A2 Process for producing amidine sulfonic acid intermediates for guanidines |
| 12/09/1987 | EP0248245A2 2-Fluoroalkenyl-phenyl-sulfonic-acid derivatives |
| 12/09/1987 | CN87103808A Dopamine-b-hydroxylase inhibitors |
| 12/08/1987 | US4711899 2-(4-benzoyl-1-piperidyl)-1-phenylalkanol derivatives |
| 12/03/1987 | WO1987007312A1 Process for producing diaminoalkane derivatives |
| 12/02/1987 | EP0247953A1 Process for the preparation of benzyl-trifluoromethyl sulfide |
| 12/01/1987 | US4710322 Lower temperature, higher yield, shorter processing time |
| 11/26/1987 | DE3617605A1 Verfahren zur herstellung von diaminoalkan-derivaten A process for preparing diaminoalkane derivatives |
| 11/25/1987 | EP0246888A2 Dopamine-beta-hydroxylase inhibitors |
| 11/25/1987 | EP0246471A1 Surface-active condensation products |
| 11/24/1987 | US4709092 Process for the preparation of 2-alkoxybenzosulfonamides |
| 11/24/1987 | US4708963 Novel carbacyclins, their preparation and use |
| 11/17/1987 | CA1229347A1 Process for working up aqueous solutions of sodium methallyl sulfonate |
| 11/10/1987 | US4705860 Quaternary ammonium salts and their use as drag reducing agents |
| 11/10/1987 | US4705649 Preparation of acyloxybenzenesulfonic acids and their alkali metal and alkaline earth metal salts |
| 11/04/1987 | EP0243584A1 Process for the production of arylsulfonyl halides |
| 11/04/1987 | CN87103209A Process for extraction of paraffin from mixtures thereof with alkane-sulphonic acids |
| 11/03/1987 | US4704469 Preparation of halogenated phenols |
| 11/03/1987 | US4704236 Preparation of sulphophenyl esters |
| 11/03/1987 | CA1228862A1 Azulene derivatives, processes of their synthesis and their uses as anti-ulcerative and anti-inflammatory agents |
| 10/28/1987 | CN86102681A Method for mfg. aminophenol derivatives, and user |
| 10/27/1987 | US4703063 Sulfamoyl substituted phenethylamine derivatives and process of producing them |
| 10/21/1987 | EP0241839A2 Process for the preparation of surface-active derivatives of fatty acid esters |
| 10/21/1987 | EP0241787A1 2,5-Substituted dihydroresorcinol ether derivatives |