Inventor
HERD MELVIN D
US4 patents
Patents
4 patentsUS5134224AJul 28, 1992
Aromatic sulfide/sulfone polymer production
PHILLIPS PETROLEUM CO10 citations72
US5147719ASep 15, 1992
Production of phenylene sulfide-arylene sulfide/sulfone block copolymers
PHILLIPS PETROLEUM CO4 citations60
US4990678AFeb 5, 1991
Purification of halogenated aromatic sulfones or ketones
PHILLIPS PETROLEUM CO2 citations58
US4729839AMar 8, 1988
Water soluble lubricating additives
PHILLIPS PETROLEUM CO1 citations50