Photographic material and process comprising a pyrazolotriazole

Details Photographic material and process comprising a pyrazolotriazole Photographic material and process comprising a pyrazolotriazole

1992-02-26

1993-10-05

Wright, Lee C.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430387, 430558, G03C 738

Patent

active

052504000

ABSTRACT:
Novel pyrazolotriazole couplers containing a ballast group of formula (I): ##STR1## are useful in photographic materials and processes. The couplers exhibit increased coupling activity, and provide formation of dyes having improved maximum magenta image dye density, contrast, and development speed when employed in color photographic materials and processes.

REFERENCES:
patent: 4286053 (1981-08-01), Ishikawa et al.
patent: 4540654 (1985-09-01), Sato et al.
patent: 4753870 (1988-06-01), Takada et al.
patent: 4777123 (1988-10-01), Yamada et al.
patent: 4849328 (1989-07-01), Hoke et al.
patent: 4912027 (1990-03-01), Nishijima et al.
patent: 4916051 (1990-04-01), Tachibana et al.
patent: 4923791 (1990-05-01), Merkel et al.
patent: 4968594 (1990-11-01), Shimazaki et al.

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