Inventor

WIERSUM ULFERT ELLE

5 patents

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

AKZO NOBEL NV

2 patents

US5688896ANov 18, 1997

Non-linear optically active polycarbonate

AKZO NOBEL NV8 citations70

US5872882AFeb 16, 1999

Non-linear optical polycarbonates

AKZO NOBEL NV6 citations57

AKZONA INC

2 patents

US4049726ASep 20, 1977

Fire retardant compounds

AKZONA INC2 citations54

US3984452AOct 5, 1976

Process for the preparation of a p,p'-dicyanobibenzyl and a m,m'-dicyanobibenzyl

AKZONA INC0 citations40

AKZO NV

1 patent

US3948858AApr 6, 1976

Polymerization of ethylenically unsaturated compounds

AKZO NV33 citations88