Method of removing contaminants from plastic resins

Details Method of removing contaminants from plastic resins Method of removing contaminants from plastic resins

2007-08-07

2007-08-07

Boykin, Terressa (Department: 1711)

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

Synthetic resins

Treating polymer containing material or treating a solid...

C422S131000, C528S125000, C528S176000, C528S495000

Reexamination Certificate

active

11096880

ABSTRACT:
A method for removing contaminants from synthetic resin material containers using a first organic solvent system and a second carbon dioxide system. The organic solvent is utilized for removing the contaminants from the synthetic resin material and the carbon dioxide is used to separate any residual organic solvent from the synthetic resin material.

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