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Inventor
HENNIG HANS J
2 patents
Patents
2 patents
US4292255A
Sep 29, 1981
Process for the preparation of organic polyisocyanates containing urea groups
BAYER AG
18 citations
78
US4264519A
Apr 28, 1981
Process for the preparation of organic polyisocyanates containing biuret groups
BAYER AG
20 citations
78