Heat development method for forming an image using intensifying

Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...

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430351, 430373, 430936, 430943, G03C 554, G03C 700

Patent

active

047450436

ABSTRACT:
A method for forming an image, which comprises heating a light-sensitive material comprising a support having thereon at least a light-sensitive silver halide, a binder, and a dye providing substance simultaneously with or after imagewise exposure thereof in the presence of water, a reducing agent, and at least one kind of intensifying agent. In accordance with the method of the present invention, images having a high density can be obtained in a short period of time using reduced amounts of silver and base. A heat-developable photographic material containing intensifying agent is also described.

REFERENCES:
patent: 4062684 (1977-12-01), Hara et al.
patent: 4084969 (1978-04-01), Nakamura et al.
patent: 4626499 (1986-12-01), Kato et al.
patent: 4629675 (1986-12-01), Takehara et al.
patent: 4668612 (1987-05-01), Hirai

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