Processing of reversal materials

Details Processing of reversal materials Processing of reversal materials

1993-05-12

1999-02-09

Bell, Mark L.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Positive

430372, 430379, 430399, 430403, 430428, 430441, G03C 550, G03C 746, G03C 518, G03C 526

Patent

active

058692240

ABSTRACT:
In reversal processing, washing between the first development and the reversal bath can be avoided without any loss of photographic quality if the reversal bath is operated in countercurrent over at least two stages and hydroquinone sulfonic acid is used as the first developer.

REFERENCES:
patent: 4752556 (1988-06-01), Kishimoto
patent: 4804616 (1989-02-01), Ueda et al.
patent: 4948711 (1990-08-01), Kojima et al.
patent: 5110715 (1992-05-01), Werniche et al.
patent: 5529890 (1996-06-01), McGuckin et al.
patent: 5578432 (1996-11-01), McGuckin et al.
Communication of Eastman Kodak to processing laboratories, Dec. 1985, section entitled "Entwicklungsprozess E-6" (pp. 24-28 and 46).

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