Inventor

WILEY DONALD F

4 patents

⚠️ This page may combine multiple inventors who share the name “WILEY DONALD F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

COSDEN OIL & CHEM CO

3 patents

US3968196AJul 6, 1976

Method of co-extrusion of polyvinylidene fluoride/polystyrene multiple-layered sheeting

COSDEN OIL & CHEM CO36 citations89

US3959432AMay 25, 1976

Coextrusion process

COSDEN OIL & CHEM CO35 citations89

US4051293ASep 27, 1977

Co-extrusion of polyvinylidene fluoride/polystyrene multiple-layered sheeting

COSDEN OIL & CHEM CO24 citations78

COSDEN TECHNOLOGY

1 patent

US4100237AJul 11, 1978

Co-extrusion of ABS/polystyrene multiple-layered sheeting

COSDEN TECHNOLOGY44 citations89