C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/241.57
C07D 223/10 (2006.01) C08G 18/70 (2006.01)
Patent
CA 1187491
BLOCKED ISOCYANATE ABSTRACT OF THE DISCLOSURE The novel compound, N,N'-methylenebis (hexahydro-2-oxo-1H-azepine-1-carboxamide) which is useful as a blocked isocyanate to introduce the functionality of methylene diisocyanate and which is prepared by the reaction of isocyanic acid and capro- lactam followed by reaction with formaldehyde.
422875
Novak Robert W.
Singh Balwant
American Cyanamid Company
Smart & Biggar
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