Inventor
RASPOR OTTO C
US4 patents
Patents
4 patentsUS4873037AOct 10, 1989
Method for preparing an asymmetric semi-permeable membrane
DOW CHEMICAL CO71 citations94
US5273823ADec 28, 1993
Shaped articles containing copolymers of polybenzazoles
DOW CHEMICAL CO5 citations61
US5217809AJun 8, 1993
Shaped articles containing copolymers of polybenzazoles
DOW CHEMICAL CO3 citations61
US4931121AJun 5, 1990
Process for forming a plastic article from a plurality of layers of thermoplastic material
DOW CHEMICAL CO6 citations60