Patent · US Expired

Method of preparing catalyst for polymerization of aliphatic polycarbonate and method of polymerizing aliphatic polycarbonate

US7405265B2 · kind B2 · utility

9Cited by
3References
10Claims
0Family size

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Key dates

Filing dateJun 19, 2003
Grant dateJul 29, 2008
Priority date
Expiry dateJul 29, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G64/34
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Disclosed is a method of preparing a catalyst for polymerization of aliphatic polycarbonates and a method of polymerizing an aliphatic polycarbonate. This method includes reacting a zinc precursor and organic dicarboxylic acid in a non-ionic surfactant-included solution.

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