Patent · US Expired

Color negative film

US6316174A · kind A · utility

1Cited by
1References
40Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 24, 2000
Grant dateNov 13, 2001
Priority date—
Expiry dateAug 24, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C2200/10
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A multicolor negative image capture film element comprises multiple silver halide emulsion layers that together exhibit a more gradually sloped density to exposure relationship than is customary while providing a combination of improved latitude and desirable overexposure printing density reduction.

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