C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
260/456.4
C08G 18/75 (2006.01)
Patent
CA 1239415
ABSTRACT OF THE DISCLOSURE: The invention describes novel diisocyanates of formulae: Image Image and in which R is an alkyl radical having from 1 to 12 carbon atoms. The diisocyanates of this invention are prepared, for example, via phosgenation of the corresponding diamines and subsequent thermal cleavage of the intermediately formed carbamic chloride. The diisocyanates are used for the preparation of plastics, preferably polyurethanes, and crop protection agents.
454484
Hahn Erwin
Neumann Peter
Basf Aktiengesellschaft
Robic Robic & Associes/associates
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