Inventor

CONETTA THOMAS E

US2 patents

Patents

2 patents

US4753979AJun 28, 1988

Substituted piperazinone light stabilizers

CIBA GEIGY CORP12 citations70

US4650870AMar 17, 1987

Substituted piperazinone light stabilizers

CIBA GEIGY CORP5 citations59