Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1998-12-22
2000-10-31
Letscher, Geraldine
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430386, 430387, G03C 100, G03C 726, G03C 732
Patent
active
061400335
ABSTRACT:
A photographic element comprises novel pyrazolo[5,1-c]-1,2,4-triazole dye forming couplers, the couplers and azomethine dyes. The couplers are represented by the following structure: ##STR1## wherein: Z represents the elements of C, N, O, or S necessary to complete a substituted or unsubstituted heterocyclic 5 or 6 member ring along with nitrogen;
REFERENCES:
patent: 3810761 (1974-05-01), Bailey et al.
patent: 5492798 (1996-02-01), Kita et al.
patent: 5948601 (1999-09-01), Rieger
patent: 5985532 (1999-11-01), Bose et al.
Cowan Stanley W.
Diehl Donald R.
Kapiamba Mbiya
Eastman Kodak Company
Kluegel Arthur E.
Letscher Geraldine
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