Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Treating polymer containing material or treating a solid...
Patent
1988-08-15
1990-05-01
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Treating polymer containing material or treating a solid...
430 56, 430 70, 528196, 528492, 528495, C08G 6362
Patent
active
049219405
ABSTRACT:
A process for the purification of polycarbonates or copolymers thereof containing titanium catalyst residues, which comprises mixing a polycarbonate or copolymers thereof with a solvent; adding to the formed solution mixture a complexing component; admixing the resulting mixture with water; and subsequently separating the polycarbonate or copolymer product therefrom.
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Alexandru Lupu
Baranyi Giuseppa
Odell Peter G.
Anderson Harold D.
Palallo E. O.
Xerox Corporation
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