Patent · US Expired

Surface fluorinated polymers

US4404256A · kind A · utility

42Cited by
5References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 1, 1980
Grant dateSep 13, 1983
Priority date
Expiry dateDec 1, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31544
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Polymers having a substantially completely fluorinated surface of low surface energy and substantially free of oxygen and having a thickness up to about 200 Angstroms, the remainder of the polymer comprising a non-fluorinated polymer.

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