Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Treating polymer containing material or treating a solid...
Patent
1996-04-29
1998-01-13
Weber, Thomas R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Treating polymer containing material or treating a solid...
C08F 620
Patent
active
057081310
ABSTRACT:
Tetrafluoroethylene polymer resin is isolated from aqueous dispersion by first freezing the dispersion, followed by thawing the dispersion which enables removal of the water and water soluble impurities from the resin particles.
REFERENCES:
patent: 3692759 (1972-09-01), Ocone
E. I. Du Pont de Nemours and Company
Weber Thomas R.
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