Ammunition and explosive-charge making
Patent
1988-11-09
1990-03-20
Siegel, Alan
Ammunition and explosive-charge making
C07C11948
Patent
active
049103326
ABSTRACT:
The present invention is directed to a process for the preparation of polyisocyanates containing urethane groups in which the content in monomeric starting diisocyanate is at most 0.4% by weight by reacting in a urethane-forming reaction
Kahl Lothar
Pedain Josef
Wellner Wolfgang
Bayer Aktiengesellschaft
Gil Joseph C.
Roy Thomas W.
Siegel Alan
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