×

PURIFICATION OF POLYCARBONATES

  • US 20110201779A1
  • Filed: 09/17/2009
  • Published: 08/18/2011
  • Est. Priority Date: 09/17/2008
  • Status: Active Grant
First Claim
Patent Images

1. A method of removing a catalyst from a product of an aliphatic polycarbonate polymerization reaction that was catalyzed by the catalyst, the method comprising contacting the product of the polymerization reaction with a solid phase comprising an ion exchanger, wherein the catalyst comprises a transition metal-ligand complex.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×