Photothermographic reducing agents with bicyclic or...

Details Photothermographic reducing agents with bicyclic or... Photothermographic reducing agents with bicyclic or...

2007-07-10

2007-07-10

Chea, Thorl (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Thermographic process

Heat applied after imaging

C430S264000, C430S531000, C430S598000, C430S619000

Reexamination Certificate

active

11351593

ABSTRACT:
Bis phenol reducing agents incorporating bicyclic and tricyclic substituents ortho to the hydroxyl groups on the aromatic rings have been found to provide photothermographic materials with improved silver efficiency and stability without significant loss in sensitometric properties.

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STIC Search Report, Access DB#210324, Dec. 15, 2006.
Yasuhiro Yoshioka et al, “Development of Rapid Dry Photothermographic Materials with Water-base Emulsion Coating Method”,2004 International Symposium on Silver Halide Technology, pp. 28-31.

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