Inventor
KNOFEL HARTMUT
9 patents
Patents
9 patentsUS4087459AMay 2, 1978
Process for the preparation of polyamines
BAYER AG23 citations80
US3996283ADec 7, 1976
Process for the production of polyamines
BAYER AG29 citations80
US3952042AApr 20, 1976
Process for the production of polyisocyanates
BAYER AG11 citations72
US4259526AMar 31, 1981
Process for the preparation of mixtures of polyamines of the polyamino-polyaryl-polymethylene type
BAYER AG18 citations71
US4094907AJun 13, 1978
Process for the preparation of polyamines
BAYER AG8 citations71
US4093658AJun 6, 1978
Process for the preparation of aromatic polyamines
BAYER AG11 citations71
US4061678ADec 6, 1977
Process for the preparation of aromatic polyamines
BAYER AG9 citations71
US4147724AApr 3, 1979
Process for the preparation of polyamines
BAYER AG2 citations60
US4025557AMay 24, 1977
Process for the production of polyamines
BAYER AG3 citations60