3846380 is referenced by 103 patents.

Polyamino acid derivatives having hydrophobic and hydrophilic substituents in their side chains are prepared by reacting a polyimide with at least one primary or secondary aliphatic amine and hydrolyzing the resulting polyimide derivative with alkali. The polyamino acid derivatives are useful as surface active agents.

Title
Polyamino acid derivatives and compositions containing same
Application Number
05/302,417
Publication Number
3846380
Application Date
October 31, 1972
Publication Date
November 5, 1974
Inventor
Teranishi Masayuki
Fujimoto Yasuo
IPC
C08g 20/08
C08G 73/10
C08G 73/00
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