Inventor
KNICKEL BIRGER
DE4 patents
Patents
4 patentsUS4036748AJul 19, 1977
Asymmetric, semipermeable membranes of polybenz-1,3-oxazine diones-(2,4)
BAYER AG21 citations81
US4045337AAug 30, 1977
Asymmetric, semipermeable membranes of cyclic polyureas
BAYER AG21 citations80
US5348582ASep 20, 1994
Mineral building materials with additives
BAYER AG10 citations68
US3960590AJun 1, 1976
Modified chromium oxide pigment
BAYER AG2 citations58