IP Library › Granted Patent US 4,654,161
Granted Patent Utility
US 4,654,161 · App. 06/731,501

Siloxanes with betaine groups, their synthesis and use in cosmetic preparations

Inventors: Hans-Joachim Kollmeier, Rolf-Dieter Langenhagen, Klaus Hoffmann
Patented Case View Patent ↗
Granted: Mar 31, 1987 Filed: May 7, 1985
Inventors
Hans-Joachim Kollmeier
Rolf-Dieter Langenhagen
Klaus Hoffmann
Assignee (at issue)
Th. Goldschmidt. AG

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Quick Facts
Patent No.
US 4,654,161
App. No.
06/731,501
Filed
1985-05-07
Granted
1987-03-31
Kind
A