Inventor

HENGST CHARLES W

US2 patents

Patents

2 patents

US6488808B2Dec 3, 2002

Styrene copolymers in de-inking

HUNTSMAN SPEC CHEM CORP2 citations57

US6482292B1Nov 19, 2002

Styrene copolymers in de-inking

HUNTSMAN SPEC CHEM CORP1 citations46