Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1978-11-29
1980-04-08
Brown, Travis
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430964, 430517, G03C 102
Patent
active
041971310
ABSTRACT:
Dry silver photo-sensitive compositions comprising an intimate mixture of a substantially light-insensitive silver compound which upon reduction gives a visible change and sufficient of a silver halide to catalyse said reduction to give a visible change in those areas where the silver halide has been exposed to light and when the mixture is heated in the presence of a reducing agent, and as a yellow acutance dye a 1-alkyl-4-nitro-methylene-quinolane, the alkyl substituent containing 1 to 4 carbon atoms.
REFERENCES:
patent: 3745009 (1973-07-01), Jenkins et al.
patent: 3821001 (1974-06-01), Weber
patent: 4033948 (1977-07-01), Brown
patent: 4088497 (1978-05-01), Brown
Leonard et al., J.A.C.S., vol. 73, pp. 3325-3329, Jul. 1951.
Lea Bernard D.
Reece Jack E.
Alexander Cruzan
Brown Travis
Litman Mark A.
Minnesota Mining and Manufacturing Company
Sell Donald M.
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