P
PatentIndex
Search
Landscape
Sign in
Inventor
PANKE HANS L
2 patents
Patents
2 patents
US4134970A
Jan 16, 1979
Quaternary ammonium compounds and their use in hair care compositions
HOECHST AG
16 citations
71
US4257769A
Mar 24, 1981
Use of quaternary ether amines as fiber processing agents
HOECHST AG
4 citations
60