Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 303 - Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
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)
10/1981
10/07/1981EP0037030A1 Aromatic diamines containing sulphon amide groups
09/1981
09/30/1981EP0036636A1 A method and intermediates for preparing 3,3'-azo-bis-(6-hydroxy benzoic acid)
09/29/1981US4292305 Asthma; bronchodilator agents
09/23/1981EP0036143A1 Process for the production of 1-amino-2-ethoxy-naphthalene-6-sulphonic acid
09/22/1981US4290974 Oxybenzylidene-bornanones, their preparation and their use in cosmetics
09/16/1981EP0035723A1 2,4-Diamino-5-sulfamoylbenzol-sulfonic acids and process for their preparation
09/15/1981US4289903 Para-phenylalkoxy phenylurea and thiourea compounds and herbicidal use thereof
09/15/1981US4289711 Ester synthesis
09/15/1981CA1109075A1 Process for preparing pure 2-acyloxyalkane sulfonates- 1 and their use in substances for tooth- and mouth care
09/08/1981US4288389 Process for separating sulfonic acids from the reaction products obtained when parafins are reacted with sulfur dioxide, oxygen and water in the presence of ultra-violet light
09/08/1981US4288386 Coupling aryl halides with metal phenolates, copper catalyst, tertiary amine sequestering agent
09/08/1981US4288368 Hypotensive
09/08/1981US4288363 Novel azo dyes having 2-amino-5-aminomethyl-7-sulfo naphthalene coupling moiety
09/08/1981CA1108645A1 Process for the preparation of benzoyl halide and halosulfonylbenzoyl halide
09/08/1981CA1108636A1 Modified polyisocyanates containing sulfonic acid ester groups
09/08/1981CA1108635A1 Modified polyisocyanates containing sulfonic acid ester groups
09/02/1981EP0034718A2 Process for producing aromatic sulfonyl halides
09/01/1981US4287125 By reacting an alkali or alkaline metal salt of an alcohol or mercaptan with an activated halobenzene in the presence of a tertiary amine sequestering agent
09/01/1981CA1108168A1 Herbicides
08/1981
08/27/1981EP0020753A4 Skin-equivalent.
08/26/1981EP0034462A2 Imidodisulfamide derivatives, their preparation and use in pharmaceutical compositions
08/26/1981EP0034461A1 Aromatic aminoethanol compounds and salts thereof, pharmaceutical compositions comprising them and processes for their production
08/26/1981EP0034432A2 Sulfamoyl-substituted phenethylamine derivatives, their preparation, and pharmaceutical compositions, containing them
08/26/1981EP0034323A2 Amino acid and peptide esters of leuco-indo anilines, process for their preparation and agents containing these compounds for the detection of proteolytic enzymes
08/26/1981EP0034256A2 4-Phenyl-benzaldehyde-2-sulphonic acids and their preparation
08/25/1981US4285881 Contacting mixture with dioxane-free water vapor
08/25/1981US4285723 Selective herbicides
08/19/1981EP0033984A1 New sulphonyl compounds, method of preparing the new compounds, as well as aphicidal compositions on the basis of the new compounds
08/19/1981EP0033775A1 Process for separating sulfonic acids from the reaction product obtained by the reaction of paraffins with sulfur dioxide, oxygen and water in the presence of UV-light
07/1981
07/29/1981EP0032661A1 Process for preparing styryl-sulfonic acid derivatives
07/28/1981US4280966 Chlorination of alkanethiols or dialkyl disulfides
07/22/1981EP0032467A1 Process for the continuous preparation of sulfonates derived from long-alkyl chain molecules, and especially fatty acid esters
07/21/1981US4279911 Amine derivatives and pharmaceutical compositions containing them
07/21/1981US4279837 Process for the preparation of alkaline earth metal salts of alkyl benzenesulfonic acids
07/21/1981US4279825 Process for the preparation of 1,4-diaminoanthraquinone-2,3-disulphonic acid
07/21/1981US4279786 Containing sorbic acid, gluconic acid, malic acid or salts of these acids
07/21/1981CA1105475A1 1,2,3,4-tetrahydro-naphthalenes
07/21/1981CA1105469A1 Derivatives of m-diethylaminophenol useful as intermediates for dyes
07/15/1981EP0032077A1 Process for preparing fluorobenzene-sulfonyl fluorides
07/15/1981EP0031954A2 Sulphonamides, process for their preparation and medicines containing these compounds
07/14/1981CA1105053A1 No translation available
07/14/1981CA1105049A1 Overbased sulphonates
07/07/1981CA1104582A1 Preparation of detergent compositions using a heat exchanger
07/07/1981CA1104561A1 7-¬(sulfomethyl)phenyl| acetamidocephalosporin derivatives
07/01/1981EP0031299A2 Process for the preparation of 2-amino-1-naphthalene sulfonic acid
06/1981
06/30/1981US4276224 Anthraquinone sulphonamide compounds and preparation
06/30/1981CA1104132A1 Process for the preparation of therapeutically useful 3,4,5-trimethoxy-benzene derivatives
06/24/1981EP0030749A1 Carboximidamide derivatives, a process for preparing them and pharmaceutical preparations containing same
06/23/1981US4275226 Process for producing fluorovinyl ether
06/23/1981US4275199 Process for preparing mixed sulfonates of bis-(N-oxypyridyl-2-thio)aluminum
06/23/1981US4275013 Novel process for the preparation of salts of alkanesulfonic acids
06/23/1981US4274991 Plasticizers
06/23/1981CA1103699A1 Alkylates and sulphonic acids and sulphonates produced therefrom
06/23/1981CA1103698A1 Solutions of acrylamidoalkanesulfonic acid salts in organic liquids and method for their preparation
06/23/1981CA1103696A1 Herbicidally active, nuclear-substituted phenoxy- phenoxy-alkanecarboxylic acid derivatives and use thereof for controlling grass-like weeds
06/17/1981EP0030333A1 Alkyldiphenyl-ether sulfonic acid hydrazides, their production and use as blowing agents
06/17/1981EP0030287A1 1-Aminocyclopropanecarboxylic acid derivatives, methods for their production, their use as plant-growth regulators and compositions containing such derivatives
06/10/1981EP0030030A1 Derivatives of 2-aminoethanol, processes for their preparation, pharmaceutical compositions containing such compounds and the use the latter
06/10/1981EP0029990A1 Biphenylmethane derivative, methods for its production and pharmaceutical compositions containing it
06/09/1981CA1102800A1 Acylated pentadienone hydrazone, method for preparing the same, and use as fire ant control agents
06/02/1981US4271189 Lithium derivatives of taurine having reinforced neuro-muscular activity
05/1981
05/27/1981EP0029161A1 Substituted polyisocyanates or polyisocyanate mixtures of the diphenylmethane series containing chlorosulfonyl groups, process for their production and their use in producing polyisocyanate-polyaddition compounds
05/20/1981EP0028964A1 Process for the preparation of alkali-difluoromethane sulfonates
05/20/1981EP0028730A1 Process for the preparation of 1,6-diaminonaphthalene-4,8-disulphonic acid
05/13/1981EP0028584A1 Sulfinyl amides, process for their preparation, and their use in the combating of pests
05/12/1981US4267194 Calcium derivatives of taurine having reinforced neuro-muscular activity
05/12/1981US4267175 For use as an antiemetic, and treatment for gastrointestinal disorders
05/12/1981US4267119 Sulfonating method
05/06/1981EP0027953A1 Process for preparing N,O-disubstituted urethanes
05/06/1981EP0027906A1 Process for preparing sulphon amides
05/05/1981US4265831 Process for the preparation of hydroxyalkylperfluoroalkane sulphonamides
04/1981
04/29/1981EP0027580A1 Cyclohexanones and cyclohexenones, process for their preparation and their use
04/21/1981CA1099734A1 Preparation of sulphates
04/14/1981US4261917 Two-stage neutralization yielding product of low viscosity
04/14/1981US4261916 Sulph(on)ation process
04/07/1981US4260560 Preparation of sulfamyl halides
04/07/1981US4260558 From hydroxy nitroso aromatic and hydrazine, noncatalytic reaction
04/01/1981EP0026154A1 Process for preparing 4,4'-dinitrostilbene-2,2'-disulfonic acid and its salts and its use
04/01/1981EP0026040A1 Substituted benzophenone hydrazones, pesticidal compositions containing them and method of combating pests
03/1981
03/31/1981US4259255 Isocyanatoaryl sulfonates
03/31/1981US4259193 Overbased sulphonates
03/31/1981US4259191 Enhanced oil recovery
03/25/1981EP0025764A1 Process for the preparation of aliphatic sulfonamides
03/24/1981US4258058 Phenoxyalkylcarboxylic acid compounds and thrombocyte-aggregation inhibition
03/18/1981EP0025328A1 Production of overbased calcium sulphonate, product thus obtained and lubricating oil containing it
03/11/1981EP0024746A1 Process for the absorption and removal of hydrogen sulphide as elemental sulphur from gases or gas mixtures, and an alkaline solution containing a derivative of anthraquinone sulfonic acid amide
03/10/1981CA1097369A1 No translation available
03/03/1981US4254143 Monocarboxylates of phenylguanidinesulfonic acid esters, a process for their manufacture, compositions containing them and their use for combating helminths
03/03/1981US4254054 By condensing a 4- or 6-chloro-3-nitro-benzene sulfonic acid and 1,4-phenylenediamine in a saturated aqueous sodium chloride solution
03/03/1981US4254030 Fluorosulphonyl oxafluoroalkanes fluorosulphonyl olefines and processes for their preparation
02/1981
02/24/1981US4252804 Tranquilizers, anticonvulsants, muscle relaxants
02/24/1981US4252542 A crosslinked aminomethylene sulfonic acid; fuel additive; jet fuels
02/17/1981US4251493 Desulfurization using anthraquinone sulfonamide and compound of polyvalent metal
02/17/1981CA1095931A1 Process for the preparation of p-aminomethyl-benzene- sulfonamide derivatives
02/17/1981CA1095930A1 Process for the preparation of new derivatives of taurine having a reinforced neuro-muscular activity
02/17/1981CA1095929A1 Process for making ether sulfonates
02/11/1981EP0023890A1 Oxime ethers and oxime esters of diphenyl ethers, process for their preparation, and their use in herbicidal compositions
02/11/1981EP0023584A1 Process for the preparation of trifluoromethyl naphthalenes
02/10/1981US4250108 Process for preparing (2-oxo-3-bornylidene/methyl)-benzene sulfonic acids
02/03/1981US4249003 Using cyclic alkylene sulfates
1 ... 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115