Absorbed hydrazide nucleating agents and photographic elements containing such agents
Novel triazole-substituted phenylhydrazide nucleating agents are disclosed as well as silver halide photographic emulsions and elements containing silver halide grains capable of forming an internal latent image having the nucleating agents adsorbed to the surface of the silver halide grains.
Description
Patent History
Patent number: T101103
Type: Grant
Filed: Feb 26, 1981
Date of Patent: Oct 6, 1981
Inventors: Jasbir Sidhu (Harrow, Middlesex), Michael J. Simons (Harrow, Middlesex), Miroslav V. Mijovic (Harrow, Middlesex)
Application Number: 6/238,185
Type: Grant
Filed: Feb 26, 1981
Date of Patent: Oct 6, 1981
Inventors: Jasbir Sidhu (Harrow, Middlesex), Michael J. Simons (Harrow, Middlesex), Miroslav V. Mijovic (Harrow, Middlesex)
Application Number: 6/238,185
Classifications
Current U.S. Class:
Fogging Or Nucleating Agent Containing (430/598);
Polycyclo Ring System Having The Triazole Ring As One Of The Cyclos (548/257)
International Classification: C07D24900;
International Classification: C07D24900;
