Patent · US Expired

Process for improving light fastness of color images

US4346165A · kind A · utility

11Cited by
3References
54Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 19, 1981
Grant dateAug 24, 1982
Priority date
Expiry dateJan 19, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C7/39296
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A process for improving the light fastness of a magenta color image which comprises introducing a specific complex and a specific discoloration prevention aid into a layer bearing the magenta color image.

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