Patent · US Expired

Chlorotriflouroethylene polymer oriented films

US4544721A · kind A · utility

11Cited by
7References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 6, 1983
Grant dateOct 1, 1985
Priority date
Expiry dateOct 6, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2327/12
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A film of semi-crystalline poly(chlorotrifluoroethylene) or a semi-crystalline copolymer of chlorotrifluoroethylene which contain up to 5% comonomer units which film exhibits upon heat shrinking, no expansion in the direction perpendicular to stretching.

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