Patent · US Expired

Multi-layered color photographic light-sensitive material

US3990899A · kind A · utility

14Cited by
7References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 6, 1974
Grant dateNov 9, 1976
Priority date
Expiry dateMay 6, 1994

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C7/30
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An incorporated-coupler multi-layered color photographic light-sensitive material which comprises a support having thereon at least two light-sensitive emulsion layer units which provide, upon color development, images having substantially different hues, at least one of the light-sensitive emulsion layer units comprising two or more unit layers in which at least one of which unit layers contain an ICC uncolored coupler alone or in combination with another coupler.

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