Plasticized PVC compositions

Details Plasticized PVC compositions Plasticized PVC compositions

2005-11-14

2008-08-12

Mulcahy, Peter D (Department: 1796)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S569000

Reexamination Certificate

active

07411012

ABSTRACT:
A stable, plasticized composition of PVC polymer including a C4-C30linear, branched or cyclo-alkyl pyrrolidone present in an amount of 5-400 phr sufficient to plasticize said PVC into a flexible state.

REFERENCES:
patent: 5294644 (1994-03-01), Login et al.
patent: 6001188 (1999-12-01), Walsh et al.
patent: 2003/0083405 (2003-05-01), Wang et al.

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