Inventor
ZIEMEK PETER
5 patents
Patents
5 patentsUS4292255ASep 29, 1981
Process for the preparation of organic polyisocyanates containing urea groups
BAYER AG18 citations78
US4264519AApr 28, 1981
Process for the preparation of organic polyisocyanates containing biuret groups
BAYER AG20 citations78
US3981869ASep 21, 1976
Process for the preparation of heterocyclic compounds
BAYER AG9 citations70
US4089901AMay 16, 1978
Process for converting polyaminopolyaryl-methanes into diaminodiarylmethanes
BAYER AG6 citations62
US4083870AApr 11, 1978
Process for converting polyaminopolyaryl-methanes into diaminodiarylmethanes
BAYER AG3 citations62