Patent · US Expired

Silver halide color photosensitive material and color image forming method using the same

US6391533B1 · kind B1 · utility

0Cited by
17References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 3, 2001
Grant dateMay 21, 2002
Priority date
Expiry dateJul 3, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C7/3212
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A silver halide color photosensitive material comprising each at least one blue-, green-, and red-sensitive emulsion layer on a support. The material contains a magenta coupler of formula (MC-1): wherein R1 represents a t-alkyl group, s, m, and n represent 0 or 1, R2 to R7 represent H, halogen atom, alkyl, or aryl group, L represents —NR8SO2—, —SO2NR8—, —SO2NR8CO—, —NR8COO—, —NR8CONR9—, or —COO—, R8 and R9 represent H, alkyl, or aryl group, J represents —CO—, —COO—, —O—, —S—, —CONR10—, —NR10CO—, —NR10COO—, —NR10NR11—, —SO2—, —SO2NR10—, or —CONR10SO2—, R10 and R11 represent H, alkyl, or aryl group, B represents an alkyl group of C1-70 or an aryl group of C6-70, p represents an integer from 1 to 5, G represents halogen atom, alkyl, aryl, or alkoxy group, and q represents an integer from 0 to 4, provided that is excluded from the magenta coupler.

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