C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 417/12 (2006.01) C07D 417/14 (2006.01) C07D 487/04 (2006.01) G03C 8/10 (2006.01)
Patent
CA 2119749
2119749 9415257 PCTABS00032 There are disclosed compounds comprising at least one cyclic 1,3-sulfur-nitrogen substituted color-providing material and at least one ballast group which are linked to each other through a triazine group. The compounds are capable of releasing the color-providing material upon cleavage in the presence of silver ions or a soluble silver complex. The color-providing compounds are useful as image-forming materials in color thermographic, photothermographic and other photographic processes.
Polaroid Corporation
Smart & Biggar
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