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)
12/1988
12/13/1988US4791123 Insecticidal triffluormethyl alkane derivatives
12/13/1988CA1246618A1 Method of alkoxylating fluorinated alcohols
12/13/1988CA1246566A1 Phenol derivatives
12/13/1988CA1246562A1 Substituted sulfonamidobenzamides, antiarrhythmic agents and compositions thereof
12/07/1988EP0294073A1 Preparation of esters
12/07/1988EP0293913A1 Process for the preparation of ethanesulfone compounds which may be substituted
12/07/1988EP0293912A2 Process for the preparation of ethane sulfobetaine compounds which can be substituted
12/07/1988EP0293744A1 Process for recovering benzolmonosulfonic acids from aqueous solutions or suspensions
12/07/1988EP0293718A2 Substituted aminophenyl carbamate
12/07/1988EP0293672A1 Preparation of alkanedisulfonic acids
12/07/1988CN88103277A N-alkylsulfurylanilline derivatives, process for preparing them and pharmaceutical composition containing same
11/1988
11/30/1988EP0292979A2 New alkanesulfonanilide derivatives, processes for preparation thereof and pharmaceutical composition comprising the same
11/30/1988EP0292911A2 Process for the preparation of pure nitro-aminobenzene-compounds
11/29/1988US4788314 Method for producing polymerizable monomers containing a sulphate group
11/29/1988US4788012 Process for the preparation of benzyl trifluoromethyl sulfide
11/29/1988US4788011 Spraying from separate nozzles; mixing in the spray cones
11/29/1988US4787911 Surface-active oligomers, a process for their preparation and compositions containing them
11/29/1988CA1245661A1 2-aminomethyl-6-sulfamoylphenol derivatives, a process for their preparation and their use and also pharmaceutical formulations based on these compounds
11/23/1988EP0291590A1 Cement dispersant
11/23/1988EP0218005B1 Single pot process for the production of 2-acetamidonaphthalene-6-sulphonic acid with a high purity
11/22/1988US4786441 Reacting trimethylsilyl triflate with iodonium or sulfonium halide
11/15/1988US4785109 Intermediates for sulfonylurea herbicides
11/15/1988US4785089 Hypotensive agents
11/15/1988US4784801 Alkylether sulfonates from corresponding sulfates
11/09/1988EP0289952A1 Preparation of propanone -1,3-disulfonic acid
11/09/1988EP0289847A1 Preparation of 2-Chloro-5-nitro- and 4-Chloro-3-nitrobenzene-sulfonyl chloride
11/08/1988CA1244468A1 Aralkanamidophenyl compounds
11/02/1988EP0288824A2 Aromatic diamines containing sulfonic acid esters, process for their preparation and their use for the preparation of polyurethane polymers
11/02/1988EP0137174B1 Cyclohexane-1,3-dione derivatives, process for their preparation and their use as herbicides
11/01/1988US4782140 Cotton and wool
10/1988
10/26/1988EP0288423A1 Process for the preparation of substituted sulfonamidobenzamides and a novel intermediate thereto
10/25/1988US4780244 Salts, containing fluoroalkyl groups, of beta-alkylamino-propionic acid esters, a process for their synthesis and their use for the production of aqueous polyacrylate dispersions containing fluoroalkyl groups
10/25/1988US4780125 Herbicides
10/19/1988EP0286914A1 Process for the preparation of trifluoromethanesulfonic acid
10/19/1988EP0286813A2 Renin-inhibiting amino acid derivatives
10/18/1988US4778945 Process for removing paraffins from their mixtures with paraffinsulphonic acids
10/18/1988US4778915 Fluoroacrylic monomers and polymers
10/18/1988US4778629 Process for the preparation of acyloxybenzenesulfonic acids and salts thereof
10/12/1988EP0207445B1 Process for the preparation of acyloxybenzenesulphonic acids and their salts
10/11/1988US4777246 1-diazo-2-naphthol-4-sulfonic acid by iron-catalyzed diazotization
10/11/1988CA1243025A1 Homocyclic derivatives
10/06/1988WO1988007030A3 Detergent grade olefins, alkylbenzenes and alkylbenzene sulfonates and processes for preparing
10/04/1988CA1242574A1 Process for preparing an alkyl aryl sulphonate concentrate composition
09/1988
09/28/1988EP0283898A2 Preparation process of aryldiazidsulfonic acids
09/28/1988EP0283774A2 Fluorinated alkylamidosulfonates, preparation, use as flame-retarder and polycarbonate moulding masses containing them
09/22/1988WO1988007030A2 Detergent grade olefins, alkylbenzenes and alkylbenzene sulfonates and processes for preparing
09/21/1988EP0283152A2 Process for the preparation of substituted cyclohexane-1,3,5-triones
09/21/1988EP0282962A2 Process for increasing the yield of light-initiated reactions using gas discharge lamps
09/21/1988EP0282908A2 Process for the preparation of sulfatobetaines
09/20/1988US4772727 Nona-2,8-diene-1-ol, stereospecific epoxidation, multistage
09/20/1988US4772614 Quinolone sulphonamides useful as antihypertensive agents
09/20/1988CA1242200A1 N-nitroso compounds, and their preparation and use
09/14/1988EP0282134A2 Improvement method for acylating a naphthalene compound
09/14/1988EP0281959A2 Reaction of hexafluoropropene oxide with fluorinated carboxylic acid fluorides
09/14/1988EP0281838A2 Sulfosuccinamide acids of polyoxypropylene diamines and their use as emulsifiers
09/08/1988DE3706232A1 Acyloxy-alkane-sulphonate surfactant prodn.
09/07/1988CN88100768A Benzophenone derivatives
09/06/1988US4769481 N-carbamoylaryl carboximidic acid esters, and their use as insecticides
09/06/1988US4769183 Stabilization of azulene derivatives
08/1988
08/31/1988EP0280617A1 Process for the production of alkane-sulfonic acids
08/31/1988EP0280392A1 Preparation and reactions of omega-halosulfonyl perfluoroalkanesulfonates
08/31/1988EP0280166A2 Process for the preparation of acyloxi sulfonates
08/31/1988EP0280165A1 Process for the preparation of acyloxyalkane sulphonates
08/30/1988US4767879 Compounds and compositions
08/30/1988CA1241341A1 Sulphonamidophenylcarboxylic acids and derivatives thereof
08/24/1988EP0279686A1 Alkoxylated alkyl substituted phenol sulfonates compounds and compositions, the preparation thereof and their use in various applications
08/24/1988EP0279475A2 Benzophenone derivatives
08/24/1988EP0193492B1 Process for the preparation of 1-amino-2-naphthol-4-sulfonic acid
08/24/1988CN88100537A 2-(2, 2-difluorocyclopropyl)-alkylester, process of prepn. and use as insecticide and acaricide
08/23/1988US4766241 Lower acute toxicity
08/23/1988US4766234 Urethanes which contain perfluoroalkyl groups, epichlorohydrin groups and dialcohol radicals, the preparation and use thereof
08/17/1988EP0278822A1 Process for the preparation of derivatives of perhalogenoalkanesulfinic and sulfonic acids
08/17/1988EP0278414A2 Process for the preparation of reaction products of 2,2-bis (4-hydroxyphenyl) hexafluoropropane, and the derivatives obtained
08/16/1988US4764307 Alkoxyethane halide and potassium or ammonium sulfite reacted in a reduced amount of water
08/16/1988CA1240694A1 Hydroquinone derivatives and production thereof
08/16/1988CA1240689A1 Resorcinol compounds and their production
08/10/1988EP0277908A2 2-(2,2-Difluorocyclopropyl)-alkylester, process of preparation and use as insecticide and acaricide
08/09/1988US4762953 Peroxidation of dihydroxybenzene
08/03/1988EP0276741A2 Process for the preparation of propionic-acid derivatives
08/02/1988US4761500 Sulfamoyl-substituted phenethylamine derivatives, their preparation, and pharmaceutical compositions, containing them
07/1988
07/27/1988EP0276182A2 Process for obtaining alkane sulfonamides
07/26/1988CA1239646A1 Tartaric acid monoesters of optically active alkanols and alkanolamines, method for their preparation and their use
07/19/1988CA1239408A1 Process for isolating levamisole from tetramisole
07/13/1988EP0274353A1 Process for the preparation of benzoin sulfonates
07/13/1988EP0274194A1 Process for the preparation of 2-nitro-5-phenoxy-N-alkylsulfonyl benzamides by nitration
07/13/1988EP0274161A1 Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffinsulphonic acids
07/13/1988CN87108388A Process for separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids
07/13/1988CN87108374A Process for separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids
07/13/1988CN87101182A Process for preparing new derivatives of 2.2-dimethyl cyclopropane carboxylic acid
07/06/1988EP0273523A1 Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffinsulphonic acids
07/05/1988CA1238921A1 2-ketosulfonamides and process for their preparation
06/1988
06/29/1988EP0272279A1 Process for producing diaminoalkane derivatives
06/28/1988US4754044 From ketene o,o-acetals and triazole or amidazole, fungicides
06/22/1988EP0271780A2 Substituted 1-benzylsulfonyl-3-heteroaryl(thio) urea
06/15/1988EP0270953A1 Preparation of anhydrous alkanesulfonic acid
06/15/1988CN87106930A Methods for preparing group ii metal overbased sulfurized alkylphenols
06/14/1988US4751332 Treatment of resorcinols with peroxypropionic acid
06/14/1988US4751240 Phenol derivatives
06/08/1988EP0270304A1 Ester manufacture
06/08/1988EP0269985A2 1-Aryloxy-3-amino-2-propanols, their preparation and use