Condensation polymers from N, N*-disubstituted disulfonamides

Details Condensation polymers from N, N*-disubstituted disulfonamides Condensation polymers from N, N*-disubstituted disulfonamides

2006-12-26

2006-12-26

Gorr, Rachel (Department: 1711)

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

C528S085000, C528S337000, C528S372000, C528S391000

Reexamination Certificate

active

07153925

ABSTRACT:
The present invention relates to novel condensation polymers where N,N*-disubstituted disulfonamides are copolymerized with an organic acid dihalide such as dicarboxylic acid dichlorides, disulfonic acid dichlorides, bis chloroformates, diphosphoryl acid dichlorides, diphosphonyl acid dichlorides, or phosgene or with diisocyanates. The polymers obtained are thermoplastic and useful in molding and extrusion application.

REFERENCES:
patent: 3153020 (1964-10-01), Butler et al.

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