C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/456.5
C07C 263/10 (2006.01) C07C 265/14 (2006.01)
Patent
CA 2028162
A B S T R A C T This invention is an industrially efficient and improved process for the preparation of aliphatic polyisocyanates by using esters as the solvent for converting aliphatic polyamines to isocyanates.
Mizuta Hideki
Nagata Teruyuki
Wada Masaru
Fetherstonhaugh & Co.
Mitsui Toatsu Chemicals Inc.
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