Inventor
WAN HAWK S
US6 patents
Patents
6 patentsUS5015275AMay 14, 1991
Isotropic microporous syndiotactic polystyrene membranes and processes for preparing the same
DOW CHEMICAL CO83 citations95
US5246647ASep 21, 1993
Process of making microporous hollow fiber or film membrane of poly(phenylene sulfide) (PPS)
DOW CHEMICAL CO66 citations94
US5227101AJul 13, 1993
Process of making microporous membranes from poly(etheretherketone)-type polymers and low melting point crystallizable polymers
DOW CHEMICAL CO65 citations94
US5888434AMar 30, 1999
Process for making a microporous membrane from a blend containing a poly (phenylene sulfide) polymer, an amorphous polymer, and optionally a solvent
DOW CHEMICAL CO23 citations91
US4980101ADec 25, 1990
Anisotropic microporous syndiotactic polystyrene membranes and a process for preparing the same
DOW CHEMICAL CO19 citations73
US4975228ADec 4, 1990
Process for preparing membranes from tetrahalobisphenol polycarbonates
DOW CHEMICAL CO7 citations73