C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 69/28 (2006.01) C08G 69/26 (2006.01)
Patent
CA 2149224
Polymers of aromatic diacids and 2-methylpentamethylenediamine are prepared in the presence of formic acid. The formic acid reduces the tendency of the 2-methylpentamethylenediamine to cyclize.
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
Invista Technologies S.a.r.l.
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