Patent · US Expired

Color photographic recording material containing an emulsified, hydrophilic color-forming compound

US4368259A · kind A · utility

3Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 15, 1981
Grant dateJan 11, 1983
Priority date
Expiry dateJan 15, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C7/39236
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Hydrophilic color-forming compounds such as couplers and color-providing compounds for the dye diffusion transfer process may be emulsified with the aid of oil formers when they are in admixture with aliphatic tertiary hydroxy amino compounds as specified hereinafter.

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