Blocked competing developers for color transfer

Details Blocked competing developers for color transfer Blocked competing developers for color transfer

1978-10-30

1980-05-06

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

428520, 428522, 430224, 430958, 430226, 430552, 430566, G03C 554, G03C 140, G03C 700, G03C 1706

Patent

active

042015782

ABSTRACT:
Hydroquinone esters are incorporated in or behind a timing layer with a high activation energy to release a competing developer upon contact with a processing composition.

REFERENCES:
patent: 3246988 (1966-04-01), Porter et al.
patent: 3462266 (1969-08-01), Stewart
patent: 3576625 (1971-04-01), Land
patent: 3816126 (1974-06-01), Charkoudian
"Photographic Processes and Products," Research Disclosure No. 15162 Nov. 1976 pp. 76-89. _

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