C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 227/08 (2006.01) A61Q 19/00 (2006.01) C07C 231/12 (2006.01) C07C 233/36 (2006.01) C07C 233/49 (2006.01) C07C 237/02 (2006.01) C11D 1/90 (2006.01)
Patent
CA 2522636
The invention relates to a process for preparing highly concentrated flowable and pumpable aqueous solutions of betaines by quaternization of compounds containing tertiary amine nitrogen with .omega.-halocarboxylic acids by known processes, wherein 0.1 to < 3% by weight, preferably 0.1 to 1% by weight, based on the end product, of one or more micellar thickeners are added to the reaction mixture before or during the quaternization reaction.
Allef Petra
Begoihn Uwe
Gruening Burghard
Klein Ralf
Peggau Joerg
Evonik Goldschmidt Gmbh
Goldschmidt Gmbh
Marks & Clerk
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