Patent · US Expired

Recovery of components from polyester resins

US5747547A · kind A · utility

1Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 26, 1996
Grant dateMay 5, 1998
Priority date
Expiry dateJul 26, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C67/03
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

There is described a process and apparatus for the depolymerization of polyester resins, such as polyethylene terephthalate into component monomers using a countercurrent or crossflow reactor.

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