Patent · US Expired

Radiation hardened transfer medium

US4481255A · kind A · utility

1Cited by
9References
43Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 10, 1982
Grant dateNov 6, 1984
Priority date
Expiry dateMay 10, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31938
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A formula and process to manufacture a lift-off correctable film ribbon in which the transfer layer is cured by an electron beam. The radiation curing eliminates solvents and their associated handling and pollution problems. The polymerizable ingredients are acrylic acrylate and N-vinyl-2-pyrrolidone. The formula also includes powdered polyperfluoroethylene, mineral oil, and carbon black.

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