Epoxy resin amine curing agent of N,N′-dimethyl...

Details Epoxy resin amine curing agent of N,N′-dimethyl... Epoxy resin amine curing agent of N,N′-dimethyl...

2006-10-20

2010-02-23

Sellers, Robert (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S407000, C525S423000, C525S504000, C525S526000, C528S120000

Reexamination Certificate

active

07666954

ABSTRACT:
The present invention provides N,N′-dimethyl secondary diamine polymers including methylamine-terminated poly-(N-methylazetidine) and methylamine-terminated poly-(N-methylazacycloheptane). Amine compositions and amine-epoxy compositions comprising N,N′-dimethyl secondary diamine polymers are also disclosed.

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