Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1996-06-10
1998-02-10
Chea, Thorl
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430356, 430600, 430603, G03C 1005
Patent
active
057167737
ABSTRACT:
Blue-black color favored in medical imaging is imparted to black and white photographic emulsions by the addition of a compound of formula I or II: ##STR1## wherein: R.sup.1 and R.sup.2 independently represent one or more carbon atoms necessary to complete a 5, 6 or 7 membered ring;
REFERENCES:
patent: 3615615 (1971-10-01), Lincoln et al.
patent: 4396711 (1983-08-01), Overman
patent: 5204213 (1993-04-01), Okada et al.
patent: 5314790 (1994-05-01), Hershey et al.
Nairne Robert James Domett
Wallis Julian Mark
Zinn-Warner Alexis Sarah
Chea Thorl
Evearitt Gregory
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Musser Arlene K.
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