Inventor

WIESER KARL-HEINZ

DE3 patents

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

BAYER AG

2 patents

US4909853AMar 20, 1990

Pigment preparations

BAYER AG54 citations92

US4929705AMay 29, 1990

New polyisocyanate-polyaddition compounds, a process for their preparation and their use for the dispersion of solids

BAYER AG14 citations71

MOBAY CHEMICAL CORP

1 patent

US4576649AMar 18, 1986

Color enhanced permanent pigments from precipitated cationic dyes

MOBAY CHEMICAL CORP29 citations83