C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/154
C08G 18/38 (2006.01)
Patent
CA 1262199
14 ABSTRACT OF THE DISCLOSURE An improved process for the copolymerization of a bicyclic amide acetal with a polyisocyanate comprising carrying out the copolymerization reaction in the presence of a catalyst selected from the group con- sisting of tertiary amines, organo tin compounds and iron and nickel salts at a temperature in the range of from about 10°C. to 200°C. is described. 14
523059
Ashland Oil Inc.
Goel Anil B.
Gowling Lafleur Henderson Llp
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