Patent · US Expired

Polycarbonate coated films

US4475241A · kind A · utility

25Cited by
9References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 24, 1982
Grant dateOct 2, 1984
Priority date
Expiry dateMay 24, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31507
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A packaging film is disclosed which comprises a base sheet coated with a polycarbonate coating. The base sheet may be chosen with substantial latitude. The invention also contemplates a process for making the film.

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