Photographic system with quaternary releaser

Details Photographic system with quaternary releaser Photographic system with quaternary releaser

1985-08-08

1986-05-13

Schilling, Richard C.

Radiation imagery chemistry: process, composition, or product th

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

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

430212, 430446, 430564, 430600, 430955, G03C 140, G03C 554, G03C 106

Patent

active

045886725

ABSTRACT:
There is described a photographic system wherein development of an exposed photosensitive element with an aqueous alkaline photographic developing composition is effected in the presence of a compound which releases a quaternary in alkaline environment. Photographic products and processes utilizing such compounds are also disclosed.

REFERENCES:
patent: 3173786 (1965-03-01), Green et al.
patent: 3649265 (1972-03-01), Stewart
patent: 3816125 (1976-06-01), December et al.
patent: 4543317 (1985-09-01), Mehta et al.
On the Synthesis and Stereochemistry of Sedamine, Beyerman et al, Rec. Trav. Chim., 75 (1956) pp. 63-74.
Decker Oxidation of 2-Substituted N-Alkylpyridinium Compounds, H. Weber, Arch. Pharm. 308(5) 1975, pp. 325-331.

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