| Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484) | 
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| 05/05/1992 | US5110985 Addition of hydroxylamine to alpha,beta-unsaturated carboxylic acid | 
| 05/05/1992 | US5110981 Incremental alternating additions of sulfonating agent and alkylating alcohol | 
| 05/05/1992 | US5110975 Isocyanatoalkyl sulphonates and a process for their preparation | 
| 05/05/1992 | US5110342 Indan-1,3-dione derivative and herbicidal composition containing the same as active ingredient | 
| 05/05/1992 | CA1299963C Cationic surfactants based on quaternary ammonium compounds and use thereof in cleaning agents | 
| 05/03/1992 | CA2052583A1 Production of nickelized articles | 
| 04/30/1992 | WO1992006935A1 Sulfonating agent and process | 
| 04/30/1992 | WO1992006683A1 Aryl and heteroaryl compounds having anti-retrovirus activity | 
| 04/30/1992 | DE4034242A1 Prepn. of alpha-sulpho:fatty acid ester having low content of di-salts - by reacting liq. satd. fatty acid continuously with dil. sulphur tri:oxide, reacting crude sulphonation prod. with lower alkanol and neutralising | 
| 04/30/1992 | CA2094139A1 Aryl and heteroaryl compounds having anti-retrovirus activity | 
| 04/29/1992 | EP0482789A2 Benzoquinone compounds | 
| 04/28/1992 | US5109020 Fluorinated cyclohexane derivatives, process and intermediates for their preparation and the use of the new fluorinated cyclohexane derivatives as fungicides and intermediates | 
| 04/28/1992 | US5108500 Adding copper salts | 
| 04/28/1992 | US5108483 Herbicidal 6-heterocyclic group substituted benzoxazines | 
| 04/26/1992 | CA2054293A1 Benzoquinone compounds | 
| 04/22/1992 | EP0481311A2 Aminoacid derivatives | 
| 04/21/1992 | US5107019 Sulfoxidizing paraffins, removing excess and sulfur dioxide, adding hydrogen peroxide, removing sulfuric acid, recovering product by adding alcohol, vacuum distilling, or forming azeotrope and distilling | 
| 04/21/1992 | CA1299191C Functionalisation of iodo-polyfluoroalcanes by electrochemical reduction, and new fluorinated compounds thus obtained | 
| 04/21/1992 | CA1299190C Process for the preparation of isethionic acid | 
| 04/20/1992 | CA2028031A1 Aryloxy alcoyl benzens, process for the preparation thereof and pharmaceutical compositions comprizing them | 
| 04/19/1992 | CA2053573A1 Amino acid derivatives | 
| 04/16/1992 | WO1992006074A1 Photosensitive azo compound and image forming device utilizing the same | 
| 04/15/1992 | EP0423133A4 Enzymatic resolution systems and compounds useful in the systems and their reparations | 
| 04/14/1992 | US5104440 N-phenylsulfonyl-n'-pyrimidinylureas | 
| 04/14/1992 | US5104414 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 | 
| 04/14/1992 | CA1298849C Aromatic diamines containing sulfonic acid aryl esters, a process for their production and their use in the production of polyurethane plastics | 
| 04/07/1992 | US5103051 Reacting perfluoroalkyl (sulfonyl fluoride) monofluoroacetyl-fluoroide and a metal oxide under anhydrous conditions, heating and recovering desired compound from effluent | 
| 04/07/1992 | US5103050 Process for preparing perfluoroalkenyl-sulfonyl fluorides | 
| 04/07/1992 | US5103049 Deacetylating by metal carbonates | 
| 04/07/1992 | US5103048 Water soluble foaming agent; lowering surface tension | 
| 04/07/1992 | US5102961 Isocyanate modified blocked sulfonic acid ester as a crosslinking catalyst | 
| 04/02/1992 | WO1992005150A1 Sulphonated octadienyl aryl ethers | 
| 04/02/1992 | DE4030852A1 Light coloured alpha-sulpho-fatty acid alkyl ester salt prodn. - by sulphonating ester with sulphur tri:oxide gas using cyclic nitrogen base as antioxidant | 
| 04/01/1992 | EP0478063A1 Method of making optically active alcohols | 
| 04/01/1992 | EP0477631A1 Ortho substituted phenylacetic acid amides | 
| 03/31/1992 | US5101068 Monofluoromethylation of organic compounds, reaction with amino acids | 
| 03/31/1992 | US5101007 Process for the preparation of naphthalenesulfonic acid/formaldehyde condensates having a low free formaldehyde content | 
| 03/31/1992 | US5100588 Process for the preparation of acyloxybenzenesulfonic acids and their salts | 
| 03/31/1992 | CA1298305C Photosensitive calcium chelators | 
| 03/26/1992 | DE4030092A1 Sulfonierte octadienylarylether Sulfonated octadienylarylether | 
| 03/26/1992 | DE4030038A1 New 2-substd. phenyl-acetamide derivs. - useful as fungicides, insecticides, acaricides and nematocides | 
| 03/25/1992 | EP0476608A1 Substituted phenols | 
| 03/25/1992 | CN1059729A Polypeptide compound and process for preparation thereof | 
| 03/25/1992 | CN1015980B Process for separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids | 
| 03/25/1992 | CA2050825A1 Method of making optically active alcohols | 
| 03/24/1992 | US5099065 Amphoteric surfactants with good foaming power | 
| 03/24/1992 | US5098903 Diphenylcyclopropyl analogs as antiestrogenic and antitumor agents | 
| 03/24/1992 | CA1297904C Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids | 
| 03/24/1992 | CA1297903C Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids | 
| 03/24/1992 | CA1297895C Process for the production of derivatives of natural fats and oils | 
| 03/24/1992 | CA1297871C Fungicides | 
| 03/18/1992 | EP0475513A1 Process for preparing quaternary ammonium carbonate esters | 
| 03/18/1992 | EP0475512A1 Process for preparing quaternary ammonium carbonate esters | 
| 03/18/1992 | EP0475044A1 Process for the production of aminoarylsulphonic acids | 
| 03/18/1992 | EP0474861A1 Alcohol-ester separation by reaction with acetate. | 
| 03/18/1992 | EP0474854A1 Alcohol-ester separation by recrystallization. | 
| 03/18/1992 | EP0474853A1 Protected hydroxy method for alcohol-ester separation. | 
| 03/17/1992 | US5097049 Process and intermediates for chiral epoxides | 
| 03/17/1992 | US5096625 Process for the sulphoxidation of n-paraffins | 
| 03/15/1992 | CA2051050A1 Process for preparing quaternary ammonium carbonate esters | 
| 03/15/1992 | CA2051049A1 Process for preparing quaternary ammonium carbonate esters | 
| 03/11/1992 | EP0474594A1 Process for dyeing of wool and mixtures thereof with other fibres with reactive dyestuffs | 
| 03/11/1992 | EP0474063A1 Dialkoxybenzylidene campher derivatives | 
| 03/10/1992 | US5095150 Formylated alklbenzenesulfonyl halide compound and process for preparing the same | 
| 03/10/1992 | US5095144 Process for dimerizing aromatic halogen compound | 
| 03/10/1992 | US5095132 Use of surfactants in phenol sulfonate dehydration | 
| 03/10/1992 | CA1297122C Hypofluorites and bis-hypofluorites, and process for preparing same | 
| 03/08/1992 | WO1992004328A1 Antiviral compounds and antihypertensive compounds | 
| 03/08/1992 | CA2091173A1 Antiviral compounds and antihypertensive compounds | 
| 03/04/1992 | EP0473547A1 Olefinically unsaturated onium salts | 
| 03/03/1992 | US5093029 Passing through layer of alkanesulfonyl chloride and/or bed of carbon | 
| 03/03/1992 | US5092971 Bromination | 
| 02/28/1992 | CA2049772A1 Olefinically unsaturated onium salts | 
| 02/26/1992 | EP0472310A1 New surfactant compositions, method for their preparation, and pesticidal compositions containing same | 
| 02/26/1992 | CN1058959A Oligomers, their uses and formulations | 
| 02/25/1992 | CA1296359C Process for extracting paraffins from their mixtures with alkanesulphonic acids | 
| 02/25/1992 | CA1296358C Process for removing paraffins from their mixtures with paraffinsulphonic acids | 
| 02/25/1992 | CA1296357C Process for extracting paraffins from their mixtures with paraffinsulphonic acids | 
| 02/25/1992 | CA1296355C Process for preparing fluoroaliphatic ether-containing carbonyl fluoride compositions | 
| 02/20/1992 | WO1992002484A1 Protein kinase c modulators with anti-inflammatory and antiviral activity | 
| 02/18/1992 | US5089373 High resolving power, sensitivity | 
| 02/18/1992 | US5089046 Aryl and heteroaryl diones | 
| 02/12/1992 | EP0470669A2 Preparation of fluorophenols, fluorohalophenols, N-acylfluoroanilines, and N-acylfluorohaloanilines | 
| 02/12/1992 | EP0470177A1 Fungicidal oxime carbamates | 
| 02/11/1992 | US5087743 Treatment of skin disorders | 
| 02/05/1992 | EP0469399A1 Aminobenzophenonesulfonic acids and their intermediates | 
| 02/05/1992 | EP0468971A1 Novel benzimidazole derivatives | 
| 02/04/1992 | US5086073 Brain disorders | 
| 02/04/1992 | US5085786 Aqueous film-forming foamable solution useful as fire extinguishing concentrate | 
| 01/31/1992 | WO1992002487A1 New diamine compound and brain protecting agent containing the same | 
| 01/29/1992 | EP0468927A2 Derivatives of carboxymethylcyclopropane | 
| 01/29/1992 | EP0468856A1 Solubilizing and dispersant compounds, process for preparation and compositions containing them | 
| 01/29/1992 | EP0468766A1 Halogen-containing compounds, herbicidal composition containing the same as an active ingredient, and intermediary compounds therefor | 
| 01/29/1992 | EP0468581A1 Process for the preparation of 2,6-di-t-butyl-4-mercaptophenol | 
| 01/29/1992 | EP0468531A1 2-Diazo-1,2-quinone compounds and image forming materials prepared using the compounds | 
| 01/29/1992 | EP0468054A1 Benzenesulfonamide derivative | 
| 01/28/1992 | CA2047901A1 Carboxymethylcyclopropane derivatives | 
| 01/28/1992 | CA1294977C Hair treatment preparations | 
| 01/25/1992 | CA2047597A1 Halogen-containing compounds, herbicidal composition containing the same as an active ingredient, and intermediary compounds therefor | 
| 01/22/1992 | EP0467856A2 Aminoalkanesulfonic acid derivatives and pharmaceutical compositions for use in preventing or treating heart diseases |