Patent · US Expired

Solid state polymerization

US4008206A · kind A · utility

2Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 2, 1974
Grant dateFeb 15, 1977
Priority date
Expiry dateOct 2, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G63/80
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Solid state polymerization of relatively low I.V. polyester using an organic crystalline anti-stick agent having a melting point of at least 230.degree. C.

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