Patent · US Expired

Photographic support, silver halide photosensitive photographic material and thermally developable photosensitive photographic material

US6197487A · kind A · utility

1Cited by
3References
42Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 28, 1999
Grant dateMar 6, 2001
Priority date
Expiry dateMay 28, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31786
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A support of photographic material is disclosed. The support is composed of plastic film in which polyethylene naphthalate is the major component. The plastic film is thermally treated at a temperature of not less than its Tg of said film to no more than its Tg plus 55.degree. C.

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