EP 2262882 B1 20121212 - PROCESS FOR PREPARING SOLID ALKALINE EARTH METAL SALTS OF SECONDARY PARAFFINSULPHONIC ACIDS
Title (en)
PROCESS FOR PREPARING SOLID ALKALINE EARTH METAL SALTS OF SECONDARY PARAFFINSULPHONIC ACIDS
Title (de)
VERFAHREN ZUR HERSTELLUNG FESTER ERDALKALIMETALLSALZE SEKUNDÄRER PARAFFINSULFONSÄUREN
Title (fr)
PROCÉDÉ POUR PRODUIRE DES SELS DE MÉTAL ALCALINO-TERREUX SOLIDES D ACIDES PARAFFINE-SULFONIQUES SECONDAIRES
Publication
Application
Priority
- EP 2009001512 W 20090304
- DE 102008013606 A 20080311
Abstract (en)
[origin: WO2009112187A1] A process for preparing solid alkaline earth metal salts of secondary paraffinsulphonic acids is claimed. This process comprises converting an aqueous solution of a secondary paraffinsulphonic acid and an alkaline earth metal hydroxide into solid form by spray drying.
IPC 8 full level
C11D 1/14 (2006.01); C11D 11/02 (2006.01)
CPC (source: EP US)
C11D 1/143 (2013.01 - EP US); C11D 11/02 (2013.01 - EP US)
Designated contracting state (EPC)
BE CH DE ES FR GB IT LI
DOCDB simple family (publication)
DE 102008013606 A1 20090917; EP 2262882 A1 20101222; EP 2262882 B1 20121212; ES 2396480 T3 20130221; JP 2011514905 A 20110512; JP 5559706 B2 20140723; US 2011021812 A1 20110127; US 8426635 B2 20130423; WO 2009112187 A1 20090917
DOCDB simple family (application)
DE 102008013606 A 20080311; EP 09720746 A 20090304; EP 2009001512 W 20090304; ES 09720746 T 20090304; JP 2010550068 A 20090304; US 92146809 A 20090304