| Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484) |
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| 07/09/1991 | US5030724 Monobactam hydrazides containing catechol sulfonic acid groups |
| 07/09/1991 | US5030655 Insecticides, miticides |
| 07/09/1991 | CA1285746C Organophilic polyphenolic acid adducts |
| 07/03/1991 | EP0435219A2 Surfactant compounds containing a perfluoroalkyl group and an aliphatic moiety containing nitrogen, process for their preparation and their use |
| 07/03/1991 | EP0434739A1 Process for the preparation of 4-sulfo-2-chlorobenzoic acid. |
| 07/02/1991 | US5028736 Adsorption On A Basic Ion Exchanger |
| 07/02/1991 | US5028728 Process for the preparation of reaction products of 2,2-bis-(4-hydroxphenyl)-hexafluoropropane and new derivatives of this type |
| 06/29/1991 | CA2033312A1 Surface-active compounds having a perfluoroalkyl group and a nitrogen-containing aliphatic radical, a process for their preparation and their use |
| 06/27/1991 | DE4040186A1 Use of 3-amino-propan-1,2-di:ol derivs. - as racemate, enantiomeric mixt. or pure enantiomer in treatment of diabetes mellitus |
| 06/27/1991 | DE3942466A1 Soluble crosslinkable poly:amine(s) for finishing of paper - by reaction of isocyanate-sulphonate(s) with poly:amine(s) contg. prim. and/or sec. amino Gps. |
| 06/26/1991 | EP0434262A2 Phenol derivative and its use in colorimetric analysis of metal ions |
| 06/26/1991 | EP0433816A1 Process and device for the preparation of a solution of a non-ferrous metal sulphonate |
| 06/26/1991 | EP0433806A2 Isocyanatoalkylsulfonates and process for their preparation |
| 06/26/1991 | EP0433360A1 Improvements relating to the production of prodrugs. |
| 06/26/1991 | CN1052476A Process for hydrolyzing alpha-naphthalenesulfonic acid in naphthalenesulfonating mixture |
| 06/25/1991 | US5026894 Spirobifluorene compounds |
| 06/25/1991 | US5026710 Fungicides |
| 06/25/1991 | CA1285290C Methods for preparing group ii metal overbased sulfurized alkylphenols |
| 06/25/1991 | CA1285286C Preparation of acyloxybenzenesulfonic acids and their alkali metal and alkaline earth metal salts |
| 06/22/1991 | CA2032838A1 Process for preparing a sulphonated dispersant from petroleum asphalt fractions |
| 06/20/1991 | DE3941365A1 Verfahren zur herstellung von salzen sulfierter fettsaeureglycerinester Process for the preparation of salts of sulfonated fettsaeureglycerinester |
| 06/19/1991 | EP0432442A1 ACAT inhibitors |
| 06/19/1991 | EP0432275A1 Substituted bicycloheptandione derivatives. |
| 06/19/1991 | EP0408759A4 Method of obtaining bromated aromatic and heterocyclic combinations containing acceptor groups |
| 06/18/1991 | US5025104 2,4-pentanedione-1-sulfonic acid and method for preparing the same |
| 06/18/1991 | US5025103 Complexing agents |
| 06/16/1991 | WO1991009009A1 Process for making salts of sulphonated fatty acid glycerine esters |
| 06/16/1991 | CA2071957A1 Process for making salts of sulphonated fatty acid glycerine esters |
| 06/13/1991 | WO1991008265A1 Azo compounds and their use as dyes, 1-sulpho-6-carboxyl-amino naphthaline, its use as a diazo component and process for the production of these compounds |
| 06/12/1991 | EP0431521A1 Aminobutanol derivative and process for the preparation of 3-pyrrolidinol from the same |
| 06/11/1991 | US5023370 Fluorinated carboxy sulfonates |
| 06/11/1991 | US5023361 Reacting sulphonic acid or sulfate with decarboxylate ester |
| 06/06/1991 | DE3939909A1 Azoverbindungen und ihre verwendung als farbstoffe, 1-sulfo-6-carboxy-2-amino-naphthalin, dessen verwendung als vorprodukt der azoverbindungen und verfahren zur herstellung dieser verbindungen Azo compounds and their use as dyes, 1-sulfo-6-carboxy-2-amino-naphthalene, its use as a precursor of azo compounds and methods for preparing these compounds |
| 06/05/1991 | EP0430579A2 Fluoroaliphatic-group-substituted esters and method of making the same |
| 06/05/1991 | EP0430352A2 Process for purifying paraffin sulphonic acids |
| 06/05/1991 | EP0430096A2 Process for the production of 3,4-epoxybutyrate and intermediate therefor |
| 06/05/1991 | EP0430001A1 Process for preparing benzaldehydes |
| 06/05/1991 | EP0429619A1 New process for the preparation of phenyl-guanidine derivatives. |
| 06/05/1991 | CN1012732B Gen-dihalo-1, 8-diamino-4-aza-octanes |
| 06/04/1991 | US5021132 Oxidative condensation of p-nitrotoluene-2-sulfonic acid |
| 06/02/1991 | CA2031248A1 Process for purifying paraffin sulphonic acids |
| 05/30/1991 | WO1991008186A1 Substituted open-chain terpene compound |
| 05/30/1991 | WO1991007383A1 Process for the hydrolysis of alpha-naphthalene sulphonic acid in a naphthalene-sulphonating mixture |
| 05/30/1991 | CA2045695A1 Substituted-acyclic terpene compound |
| 05/22/1991 | EP0428423A2 Aryloxy alkyl benzenes, processes for their preparation and pharmaceutical compositions containing them |
| 05/22/1991 | CN1051553A Acat inhibitors |
| 05/16/1991 | WO1991006887A1 Sulfonated polyaniline salt compositions, processes and uses |
| 05/16/1991 | WO1991006589A1 New anti-hiv compounds belonging to aurintricarboxylic acid |
| 05/16/1991 | DE3937748A1 Verfahren zur hydrolyse von (alpha)-naphtalinsulfonsaeure in einem nahptalin-sulfoniergemisch Process for the hydrolysis of (alpha) -naphtalinsulfonsaeure in a nahptalin-sulfoniergemisch |
| 05/15/1991 | EP0427224A1 Novel polycationic compound and bleach composition containing the same |
| 05/15/1991 | EP0427071A1 Process for the preparation of 2-aminobenzene-1,4-disulfonic acids |
| 05/15/1991 | EP0427031A2 N-aryl-nitrogen heterocycles |
| 05/14/1991 | US5015762 Alkoxy substituted ureas as herbicides |
| 05/14/1991 | US5015666 Triarylcyclopropanes as antiestrogens and antitumor agents |
| 05/14/1991 | US5015367 Alkylated diaryl oxide monosulfonate collectors useful in the floatation of minerals |
| 05/14/1991 | US5015260 2-alkyl-4-methoxy-5-aminophenol or salt thereof, or 2-alkyl-4-methoxy-5-substituted aminophenol or salt thereof, and dyeing composition for keratin fibers comprising the same |
| 05/09/1991 | CA2029433A1 Polycationic compound and bleach composition containing the same |
| 05/08/1991 | EP0426217A2 Bleach precursors |
| 05/08/1991 | CN1012576B Process for preparing carboxanilides compounds |
| 05/08/1991 | CN1012575B Preparation of alkanoyl anilides |
| 05/07/1991 | CA2029338A1 Acat inhibitors |
| 05/07/1991 | CA1283918C Carboxanilides |
| 05/02/1991 | EP0425209A2 Naphthyloxazolidone derivatives |
| 05/02/1991 | EP0424762A1 Process for the sulfoxidation of n-paraffins |
| 05/02/1991 | EP0424616A2 Production of alkanesulfonic acids by oxidation of alkanethiols and dialkyl disulfides |
| 05/02/1991 | DE3936001A1 Verfahren zur sulfierung ungesaettigter fettsaeureglycerinester Process for the sulfonation of unsaturated fettsaeureglycerinester |
| 05/02/1991 | DE3932492A1 Salze von sulfonierten estern von dicarbonsaeuren mit ungesaettigten fettalkoholen bzw. -alkoxylaten, verfahren zu ihrer herstellung und ihre verwendung als oberflaechenaktive mittel Salts of sulfonated esters of dicarboxylic acids with unsaturated fatty alcohols and alkoxylates, processes for their preparation and their use as means oberflaechenaktive |
| 05/02/1991 | CA2028786A1 Bleach precursors |
| 04/30/1991 | US5012015 Nitrading a trichlorobenzene with mixed acid, hydrolysis |
| 04/30/1991 | US5011983 Preparation and reactions of omega-halosulfonyl perfluoroalkanesulfonates |
| 04/30/1991 | US5011973 Reacting A Trimethylammonium Salt With A Naphthalenedisulfonic Acid; Useful For Enhancing The Digestive Function |
| 04/29/1991 | WO1991006532A1 Process for sulphonating unsaturated fatty acid glycerin esters |
| 04/29/1991 | CA2072094A1 Process for sulphonating unsaturated fatty acid glycerin esters |
| 04/25/1991 | CA2022348A1 Production of alkanesulfonic acids by oxidation of alkanethiols and dialkyl disulfides |
| 04/24/1991 | EP0423133A1 Enzymatic resolution systems and compounds useful in the systems and their reparations. |
| 04/23/1991 | US5009985 Iron complexes and bleaching baths containing same |
| 04/23/1991 | CA1283499C Peptides |
| 04/23/1991 | CA1283424C Process for the preparation of 5-fluorotoluene-2,4- disulphochloride |
| 04/18/1991 | WO1991004963A1 Salts of sulphonated esters of dicarboxylic acids with unsaturated fatty alcohols or alkoxylates, process for their manufacture and their use as surfactants |
| 04/17/1991 | EP0422120A1 Polymerizable surfactant |
| 04/16/1991 | US5008448 Dehalogenation, reduction, acidification, salt formation |
| 04/16/1991 | US5008442 Surface-active compounds on the basis of arylated fatty substances and their use |
| 04/16/1991 | US5008099 Radioactive iodine-labeled amyloid binding azo compounds |
| 04/09/1991 | US5006660 Reacting a halogenbenzene with alcohol or phenol in presence od copper(or compound thereof), amine, and base |
| 04/03/1991 | EP0420235A2 A process for preparing aromatic perfluoroalkenyloxy sulfonates |
| 04/03/1991 | EP0419954A1 Process for the preparation of low-temperature stable alcoholic-aqueous solutions of polyethersulfonates |
| 04/03/1991 | EP0419796A1 2,4-pentanedionemonosulfonic acid and method for preparing the same |
| 04/03/1991 | EP0419795A1 2,4-pentanedione-1,5-disulfonic acid and method for preparing the same |
| 04/02/1991 | US5004829 Dehydration with phosphorous pentoxide adding phosphoric acid to residue, distillation |
| 04/02/1991 | US5004594 Benzylidenecamphor sulphonamides derived from amino acids and their application in cosmetics, particularly as sunscreens |
| 03/29/1991 | CA2022636A1 2,4-pentanedione-1,5-disulfonic acid and method for preparing the same |
| 03/29/1991 | CA2022635A1 2,4-pentanedionemonosulfonic acid and method for preparing the same |
| 03/27/1991 | EP0418662A1 Process for the preparation of 2-alkylamino-4-amino benzenesulphuric acids |
| 03/27/1991 | EP0418633A1 Process for the preparation of aromatic (di)chlorosulfonic acids |
| 03/21/1991 | WO1991003533A1 Coating compositions |
| 03/21/1991 | WO1991003512A1 Cytoprotective fatty moiety compounds |
| 03/21/1991 | WO1991003461A1 Process for making short-chain alkane sulphonic acids from olefines |
| 03/21/1991 | WO1991003460A1 New route of synthesis for tertiary alkyl esters |
| 03/20/1991 | EP0417535A2 Optical oxygen sensor |
| 03/20/1991 | EP0417101A1 Condensation polymer containing the residue of an acyloxystyryl compound and shaped articles produced therefrom |