Patent · US Active

Purification of polycarbonates

US8252891B2 · kind B2 · utility

4Cited by

5References

58Claims

0Family size

Assignee

Novomer, Inc. · US

Inventors

Anna E. Cherian · Ithaca, US
Jeffrey R. Conuel · Ithaca, US
David Decker · Ithaca, US
Scott D. Allen · Ithaca, US

Key dates

Filing date	Sep 17, 2009
Grant date	Aug 28, 2012
Priority date	—
Expiry date	Sep 17, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G64/406
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present disclosure provides, in part, a method for removing a catalyst from a product of catalyzed aliphatic polycarbonate polymerization reaction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.