Patents
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)
01/1984
01/17/1984US4426333 From an isomeric mixture of 1-amino-8-hydroxynaphthale-4,6-disulfonic acids
01/11/1984EP0097926A1 Quaternary ammonium salts and their use as drag reducing agents
01/04/1984EP0097630A2 New thrombin inhibiting compounds
01/03/1984US4424170 Halostilbene sulfonates useful as starting materials for making fluorescent whitening agents of the 4,4'-distyrylbiphenyl series
01/03/1984CA1159841A1 Pesticidal compounds, compositions and methods
12/1983
12/27/1983US4423070 Esters
12/27/1983US4423067 Carbacyclins, their preparation and use
12/21/1983EP0096654A2 Process for sizing paper with anionic, hydrophobic sizing agents and cationic retention agents
12/20/1983US4421739 Suntan lotion
12/20/1983US4421694 Process for the preparation of nitroanilines
12/20/1983CA1159082A1 Process for the preparation of 4,4'-dinitrostilbene- 2,2'-disulfonic acid and its salts
12/07/1983EP0096006A2 3-(Ureidocyclohexylamino)-propane-1,2-diol derivatives, process for their preparation, pharmaceutical preparations containing these compounds and their therapeutical use
12/06/1983US4419363 Adrenergic blocking agents
11/1983
11/30/1983EP0095355A1 Substituted o-phenylenediamine compounds
11/30/1983EP0095177A1 Process for the preparation of N-acetylamino-aryl-sulphonic acids
11/29/1983CA1157853A1 Cycloheptene derivatives
11/23/1983EP0094456A1 Preparation of alcohols from olefins having from 3 to 7 carbon atoms
11/22/1983CA1157478A1 Carboximidamide derivatives
11/22/1983CA1157474A1 Aromatic aminoethanol compounds, process for production thereof, and utilization thereof
11/22/1983CA1157471A1 Sulfonamide derivatives, and their production and use
11/09/1983EP0093591A1 Selective sulfonation process
11/09/1983EP0093590A1 Process for the preparation of sulfonylamino benzophenones
11/08/1983CA1156668A1 Sulfated alkoxylated polyglycerol surfactants
11/01/1983US4413011 Substituted 2,2-dimethyl-5-phenoxypentanoic acid benzamides as anti-arteriosclerotic agents and method
11/01/1983US4413009 N-((Alkylamino)carbonyl)-N-(((alkylamino)carbonyl)oxy)acylamides with antineoplastic activity
11/01/1983US4412992 2-Hydroxy-5-phenylazobenzoic acid derivatives and method of treating ulcerative colitis therewith
10/1983
10/26/1983EP0092415A1 Preparation of overbased magnesium phenates
10/25/1983US4411815 Depressurization
10/19/1983EP0091749A2 Ethanolamine derivatives, process for their preparation and pharmaceutical compositions containing them
10/18/1983CA1155450A1 2,4-diamino-5-sulfamoylbenzene sulfonic acids and process for their manufacture
10/12/1983EP0091387A2 Herbicides derived from phenoxybenzoic acid of the sulphone imide group
10/04/1983US4407762 Crystallization from preheated water
09/1983
09/28/1983EP0089653A2 Process for separating sulfuric acid from the product mixture resulting from the sulfoxidation of paraffins
09/27/1983US4406895 Base-substituted anthranilic acids, a process for their preparation and their use
09/27/1983US4406880 Oxybenzylidene-bornanones, their preparation and their use in cosmetics
09/21/1983EP0088958A1 Stabilization of azulene derivatives
09/14/1983EP0088389A1 Soil repellent fluorinated esters of multi-ring anhydride systems
09/14/1983EP0088382A1 Stabilization of azulene derivatives
09/14/1983EP0088345A2 2-Aminomethyl-6-sulfamoylphenol derivatives, process for their preparation, their use and pharmaceutical preparations based on these compounds
09/14/1983EP0088282A1 Indanyl derivatives, their preparation and their use
09/13/1983US4404143 Neutralization with caustic alkali solution
09/13/1983US4404110 Then sulfonation-used in enhanced oil recovery
09/07/1983EP0087711A1 Process for the preparation of sulfosuccinic acid diesters
09/07/1983EP0087577A1 Process for preparing sulfonamides
09/06/1983US4403079 Coupling; azo and disperse dyes; wetting agents; emulsifiers
09/06/1983US4403077 Dye and pigment dispersants; wetting agents; emulsifiers
09/06/1983CA1153390A1 Alkyldiphenyl ether-sulphonic acid hydrazides, their preparation and their use as blowing agents
09/06/1983CA1153388A1 Process for preparing fluorobenzenesulfonyle fluorides
08/1983
08/30/1983US4401594 L-Argininal derivatives and a method of manufacturing the same
08/24/1983EP0086588A2 Cyclohexanedione derivatives, their use as herbicides, herbicidal compositions containing them, and methods of preparing them
08/24/1983EP0086492A2 N-((alkylamino)carbonyl)-N-(((alkylamino)-carbonyl)oxy)acylamides with antineoplastic activity
08/16/1983US4399068 Concentrated, aqueous solutions of salts of acetoacetylamino-arylsulphonic acids and method of forming concentrated solutions of azo dyestuffs therefrom
08/16/1983CA1152101A1 Overbased calcium sulphonate production
08/16/1983CA1152100A1 Derivatives of 3-aminopropanesulfonic acid having a reinforced activity on membrane
08/10/1983EP0085530A2 Cyclohexane dione derivatives, their use as herbicides, herbicidal compositions containing them, and methods of preparing them
08/10/1983EP0085529A2 Cyclohexane dione derivatives, their use as herbicides, herbicidal compositions containing them, and methods of preparing them
08/09/1983CA1151664A1 Optical isomers of 2-(1-halonaphth-2-yloxy) propionic acids and salts and derivatives thereof
08/09/1983CA1151656A1 Sulfinylamides
08/02/1983CA1151192A1 Microbicidal composition
07/1983
07/19/1983US4394387 Compositions and method of combatting pest employing substituted benzophenone hydrozones or semicarbazones
07/19/1983CA1150310A1 Polar-nonpolar solvent system for deoiling hydrocarbon sulfonates
07/13/1983EP0083555A1 Process for the preparation of p-nitrotoluene sulfonic acid
07/12/1983US4393211 Halosulfonylation of siazonium salt
07/05/1983US4391824 Ureylenebis (hydroxy naphthalenesulfonic acids)
07/05/1983US4391718 Sulphonated mono-hydric diaryl phenol formaldehyde condensates, their preparation, their use as dispersing agents and formulations containing them
07/05/1983CA1149398A1 Compositions, which promote plant growth and protect plants, based on oxime ethers and oxime esters
06/1983
06/29/1983EP0082523A2 Intermediates for the preparation of 4-phenyl-1,3-benzodiazepins and methods for preparing the intermediates
06/28/1983US4390475 Thin film type sulfonation process of alkylbenzene
06/28/1983CA1148974A1 Basic alkaline earth metal sulphonates
06/28/1983CA1148973A1 Preparation of basic alkaline earth metal sulphonates
06/22/1983EP0081993A2 Optically active alpha-substituted aryl ketones, their preparation and their use in preparing alpha-arylalkanoic acids
06/15/1983EP0081434A1 Process for the preparation of sulphonates of aromatic hydrocarbons and the use of said sulphonates in the assisted recovery of crude oil
06/15/1983EP0081320A2 Preparation of acetic acid derivatives
06/15/1983EP0081169A2 Process for the preparation of 4,4'-diamino-1,1'-dianthrimides
06/08/1983EP0080644A1 Process for the preparation of 1-amino-2-naphthol-4-sulfonic acid (amidol acid)
06/07/1983US4387033 Calcium sulphonate process
06/01/1983EP0080388A1 Process for continuously preparing alkanolamin and/or alkylamin photosulfonates from fatty esters or petroleum paraffins, and alkanolamin and/or alkylamin photosulfonates so obtained
05/1983
05/31/1983US4386037 Sulphonic acids of tolyl ether sulphones
05/24/1983CA1146956A1 Substituted polyisocyanate or polyisocyanate mixtures of the diphenyl methane series containing chlorosulfonyl groups
05/17/1983US4384143 Process for preparing purified bis(3,5-dialkyl-4-hydroxyphenyl) sulfone
05/17/1983CA1146575A1 Process for the manufacture of novel derivatives of 2- aminoethanol
05/11/1983EP0078768A1 Process for the catalytic Pd arylation of olefines with aryl halogenides
05/03/1983US4382039 Product solutions obtained by sulfonation of a 4-nitrotoluene melt with sulfur trioxide gas followed by the addition of water
05/03/1983US4381980 Process for the manufacture of sulfobetaines
05/03/1983CA1145770A1 Process for purification of the alkali metal salt of sulfonated unsaturated aliphatic carboxylic acid
04/1983
04/27/1983EP0077537A2 Process for preparing 6-chloro-3-toluidino-4-sulphonic acid
04/26/1983CA1145349A1 Terminal bifunktional xylite-derivatives
04/26/1983CA1145342A1 N,n-disubstituted ethylglycine (thiol) esters, processes for their preparation and their use as fungicides
04/19/1983CA1144889A1 Use of a gasification device in photochemical gas-liquid reactions
04/12/1983US4379937 Selective acylation of hydroxy-amino-arylsulfonic acids
04/12/1983CA1144564A1 Process for the preparation of n,o- disubstituted urethanes useful for the preparation of isocyanates
04/12/1983CA1144561A1 Method for the film sulphonation in a multitubular reactor and such a reactor suitable to embody said improved method
04/06/1983EP0075896A2 Pharmaceutical amides, and preparation, formulations and use thereof
04/05/1983US4379157 Sulphonyl compounds, method of preparing the new compounds, as well as aphicidal compositions on the basis of the new compounds
04/05/1983CA1144177A1 Refinement of sulfonated hydrocarbons
03/1983
03/30/1983EP0075473A2 Selective acylation of hydroxy-amino-arylsulfonic acids
03/30/1983EP0075167A2 N-(1-alkenyl)-carboxanilides, process for their preparation and their use as fungicides
03/22/1983US4377535 Process for the preparation of nitro-T-acid (8-nitro-naphthalene-1,3,6-trisulphonic acid)
03/16/1983EP0074124A1 Use of 2-trifluoromethyl-4-methylthio-chloro-methanesulfonanilide as a plant growth regulator
03/16/1983EP0074070A1 Derivatives of urea, process for the preparation thereof, remedies containing them and their use