Patent · US Active

Copolyesters having improved thermal stability and methods for making them

US7915374B2 · kind B2 · utility

5Cited by
5References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 27, 2009
Grant dateMar 29, 2011
Priority date—
Expiry dateJul 9, 2029

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31978
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Processes for producing polyethylene terephthalate copolyesters are disclosed, that include the steps of:

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