Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof
Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484)
10/1991
10/17/1991DE4012106A1 Verfahren zur herstellung hellfarbiger waschaktiver alpha-sulfofettsaeureniedrigalkylester-salze Process for the preparation of brightly colored washing-active alpha-sulfofettsaeureniedrigalkylester salts
10/16/1991EP0452143A2 Process for preparing optically active 3-hydroxypyrrolidine derivatives
10/16/1991EP0451873A1 Derivatives of 2,2-dimethyl cyclopropanecarboxylic acid substituted at c-3 by a saturated halogenated chain, process for their preparation and their use in the synthesis of pesticidal products
10/16/1991CN1055386A Peroxy acid bleach precursors and detergent compositions containing them
10/15/1991US5057427 Method for resolution of stereoisomers
10/15/1991CA1290764C Preparation of sulphonated aromatic esters
10/09/1991EP0450742A1 DTPA-Monoamids, pharmaceutical compositions containing them, their use and process for their preparation
10/09/1991EP0450201A1 Process for preparing a sulphonated dispersant from petroleum asphalt fractions
10/09/1991EP0449831A1 Compounds and methods based on 1.1.1]propellane
10/08/1991US5055610 Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids
10/08/1991US5055566 Amine salts of disazo black dyes having good solubility in polar organic solvents
10/07/1991CA2039846A1 Dtpa monoamides, pharmaceutical agents containing these compounds, their use and process for their production
10/03/1991WO1991015478A1 Crop-selective herbicidal sulfonamides
10/03/1991WO1991015290A1 Branched ether surfactants and their use in an enhanced oil recovery process
10/03/1991WO1991015289A1 Branched ether surfactants and their use in an enhanced oil recovery process
10/03/1991CA2079589A1 Crop-selective herbicidal sulfonamides
10/03/1991CA2078111A1 Branched ether surfactants and their use in an enhanced oil recovery process
10/03/1991CA2078110A1 Branched ether surfactants and their use in an enhanced oil recovery process
10/02/1991CA2013661A1 Benzyl-cyclanone derivatives, process for their preparation and cosmetic and pharmaceutical compositions containing the same
10/01/1991WO1991015472A1 Alcohol-ester separation by recrystallization
10/01/1991WO1991015471A1 Protected hydroxy method for alcohol-ester separation
10/01/1991WO1991015470A1 Alcohol-ester separation by reaction with acetate
10/01/1991US5053531 Quaternary ammonium antistatic compounds
10/01/1991US5053530 Preparation of isethionic acid with organic acid
10/01/1991US5053073 Thiophene derivatives useful as fungicidal, insecticidal or plant growth regulating agents
10/01/1991CA2058306A1 Alcohol-ester separation by recrystallization
10/01/1991CA1289945C Intermediates
09/1991
09/26/1991DE4009096A1 Binary surfactant mixt. contg. internal sulpho-fatty acid ester - and di-salt of internal sulpho-fatty acid, from higher unsatd. fatty acids
09/25/1991EP0447778A2 Vinyl polyether alcohols
09/25/1991EP0447421A1 Preparation of 2-(chloro, bromo or nitro)-4-(alkylsulfonyl)benzoic acids and intermediates.
09/19/1991WO1991013864A1 Method for preparing naphthalene sulphonic acids
09/19/1991WO1991013863A1 Method for preparing 3-nitrobenzene sulphonic acid chloride
09/18/1991EP0447352A1 Process for improving the yield and the wet fastness of the dyeing or printing with anionic dyes of cellulosic fibrous material
09/18/1991EP0446971A1 Process for the preparation of substituted sulphonic acids and/or sulphonates
09/18/1991EP0446751A1 Glycolic acid derivatives
09/18/1991EP0446675A1 Process for the preparation of sodium 3-diethylaminobenzene-sulfonate
09/18/1991EP0446649A1 Process for the preparation of sodium 3-diethylaminobenzene-sulfonate
09/18/1991EP0446301A1 Preparation of biaryl compounds.
09/17/1991CA2038282A1 Glycolic acid derivatives
09/17/1991CA1289149C PROCESS FOR SOLID ALKALI METAL SALTS OF .alpha. SULFOFATTY ACID ALKYL ESTERS
09/17/1991CA1289078C Pharmaceutical composition for the treatment of parkinson's disease
09/13/1991CA2038039A1 Compound for use in the synthesis of semiconducting polymers with perpendicularly arranged cores and method of synthesizing said compound
09/12/1991DE4007603A1 Verfahren zur herstellung von naphthalinsulfonsaeuren Process for the preparation of naphthalenesulfonic acids
09/11/1991EP0445844A2 Distillate fuel
09/11/1991EP0445843A2 Process for the preparation of cyclopropanecarboxylic acid derivatives substituted at position 3 by a saturated halogenated chain
09/11/1991EP0445196A1 Concentrated, free-flowing anionic surface-active agents and process for the production thereof
09/10/1991US5047580 Process for the separation of sulfuric acid from aqueous mixtures of paraffin-sulfonic acids
09/05/1991DE4006666A1 Verfahren zur herstellung von 3-nitrobenzolsulfonsaeurechlorid Process for the preparation of 3-nitrobenzenesulfonyl chloride
09/03/1991US5045573 Photoinitiators for photopolymerization of unsaturated systems
08/1991
08/28/1991EP0443341A2 Process for preparing naphthalensulfonic acid formaldehyde condensates with low formaldehyde content
08/28/1991EP0442948A1 Quaternary ammonium antistatic compounds
08/27/1991US5043089 P-sulphophenyl alkyl carbonates and detergent compositions and detergent additives containing these compounds
08/22/1991WO1991011994A1 Inhibitor of denatured ldl formation
08/22/1991DE4004883A1 New vinyl-polyether alcohol derivs. - useful as surfactants and intermediates for polyether sulphonate(s), prepd. by reacting polyether alcohol with vinyl oxirane
08/22/1991CA2076012A1 Agent for inhibiting the formation of denatured ldl
08/21/1991EP0442754A2 Reagents and methods for stereospecific fluoromethylation
08/21/1991EP0422120A4 Polymerizable surfactant
08/20/1991US5041663 Novel oxime ethers, the preparation thereof, compositions containing them and the use thereof
08/20/1991US5041648 Phenylhydrazones of β-ionone
08/20/1991US5041641 Pentafluorophenyl derivatives, methods of production thereof, and method of optical resolution of chiral carboxylic acids
08/20/1991US5041638 Alkenoic acid derivatives
08/20/1991US5041632 Process for the preparation of 4,4'-dinitrostilbene-2,2-disulfonic acid
08/20/1991US5041631 Process for the preparation of 2-alkylamino-4-aminobenzenesulfonic acids
08/20/1991US5041630 Sulfoalkylation of naphthol with a carbonyl and a sulfur compound; reduces viscosity, retards gelation
08/20/1991US5041629 Chemical intermediates for dyes
08/20/1991US5041603 N-phenylsulfonyl-N'-pyrimidinyl-ureas and N-phenyl-sulfonyl-N'-triazinyl ureas
08/20/1991CA2035341A1 Process for the preparation of naphthalene-sulfonic acid/formaldehyde condensates having a low free formaldehydecontent
08/20/1991CA1287840C Process for preparing alkyl-sulphonyl chlorides and arylalkyl-sulphonylchlorides
08/20/1991CA1287839C PROCESS FOR THE PRODUCTION OF MOBILE PASTES OF WASHING-ACTIVE .alpha.-SULFOFATTY ACID ESTER SALTS OF HIGH SOLIDS CONTENT
08/17/1991CA2036070A1 Vinyl polyether alcohols
08/14/1991EP0441445A2 Preparation of amides
08/14/1991CN1053785A Preparation of amides
08/13/1991US5039710 Viricides, antitumor agents
08/13/1991US5039511 Amyloidosis and alzheimer's disease diagnostic assay and reagents therefor
08/09/1991WO1991012237A1 Benzenesulfonamide derivative
08/09/1991CA2050591A1 Benzenesulfonamide derivatives
08/08/1991WO1991011504A1 Sulphitated hydroxycarboxylic acid ester
08/08/1991DE4003096A1 Sulfierte hydroxycarbonsaeureester Sulfonated hydroxycarboxylic acid esters
08/07/1991EP0440238A2 Positive photoresist composition
08/07/1991EP0210203B1 Propanol derivatives
08/06/1991US5037714 Photoconductive base, charge generation and charge transfer layers; durability
08/06/1991CA2034972A1 Preparation of amides
07/1991
07/31/1991EP0439421A1 Microbicidal agents
07/31/1991EP0439186A2 Novel betaine and dispersant composition containing the same
07/31/1991EP0438752A1 Monobactam hydrazides containing catechol sulfonic acid groups
07/31/1991CN1053443A Process for preparing sulphonated dispersant from petroleum asphalt fractions
07/31/1991CN1053425A Process for purifying paraffin sulphonic acids
07/24/1991EP0438380A1 Polymerized quaternary diallylammonium compounds
07/24/1991EP0437567A1 Phenyl-glycine derivatives.
07/24/1991EP0437566A1 Phenyl-glycine derivatives.
07/24/1991CN1053235A Process for prepn. of beta-substituted sulphonic acids and/or sulphonates
07/24/1991CN1013277B Improved addictive agent for fuel oil
07/23/1991WO1991010642A1 Process for preparing homochiral amines and process for preparing intermediates for the preparation thereof, and the intermediates prepared in accordance with this process
07/23/1991US5034555 Novel alkoxylated amido sulfates
07/23/1991CA2074075A1 Process for preparing homochiral amines and process for preparing intermediates for the preparation thereof, and the intermediates/in accordance with this process prepared
07/23/1991CA2032817A1 Monobactam hydrazides containing catechol sulfonic acid groups
07/17/1991EP0436612A1 Amino acid transport proteins, amino acid analogues, assay apparatus, uses thereof for treatment and diagnosis of cancer
07/16/1991US5032169 Novel oxime ethers, the preparation thereof, compositions containing them and the use thereof
07/13/1991CA2033956A1 Process for the preparation of beta-substituted sulphonic acids and/or sulphonates
07/09/1991US5030752 Chemical intermediates
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