Color-developing agent, silver halide photographic light-sensitive material and image-forming method
US6495304B2 · kind B2 · utility
0Cited by
7References
7Claims
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Key dates
| Filing date | Jun 25, 2001 |
| Grant date | Dec 17, 2002 |
| Priority date | — |
| Expiry date | Jun 25, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/413
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
There is disclosed a novel color-developing agent of a 1,2,4-thiadiazol-5-yl hydrazine type. There is also disclosed a silver halide photographic light-sensitive material which gives sufficient color formation by development and forms an image excellent in image quality and image storability, by using the color-developing agent. Further, there is disclosed an image-forming method using the light-sensitive material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.