Patent · US Expired

Color photographic recording material

US6228568A · kind A · utility

0Cited by
4References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 14, 1999
Grant dateMay 8, 2001
Priority date
Expiry dateDec 14, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C7/39272
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present invention relates to a color photographic recording material which contains, in at least one layer between the substrate and light-sensitive emulsion layer situated nearest to the substrate, a compound of formula (I) ##STR1## wherein PA1 X and Y, independently of each other in each case, represent an electron-attracting group, and X and Y together can form a group which is necessary for the completion of a 5- or 6-membered ring.

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