Inventor
KOEHLER PETER
DE9 patents
⚠️ This page may combine multiple inventors who share the name “KOEHLER PETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
5 patentsUS4491619AJan 1, 1985
Thermostable iron oxide pigments
BAYER AG23 citations80
US4589906AMay 20, 1986
Inorganic depot fertilizers
BAYER AG16 citations72
US4617061AOct 14, 1986
Mixed phases having the composition Bi2-x Crx O3
BAYER AG6 citations70
US4529448AJul 16, 1985
Mixed phases having the composition Bi2-x Crx O3 and a process for their production
BAYER AG2 citations59
US4563220AJan 7, 1986
Production of bismuth oxide/chromium oxide mixed phase pigments
BAYER AG1 citations51