Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1987-06-09
1988-12-27
Michl, Paul R.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430508, 430608, 430944, 430963, 430966, G03C 146, G03C 106
Patent
active
047940700
ABSTRACT:
Automatic processing equipment for photographic film, particularly radiographic black-and-white film, are required to handle different brands and constructions of film with the same processing chemistry. The Applicants have found that developer chemistry fluctuations seem to be very high when processing conventional films and newer, lower silver coating weight films. It has been found that the addition of an aqueous soluble, non-photosensitive bromide salt into radiographic film reduces the developer chemistry fluctuations.
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Lindquist James E.
Philip, Jr. James B.
Sills Peter D.
Doody Patrick A.
Litman Mark A.
Michl Paul R.
Minnesota Mining and Manufacturing Company
Sell Donald M.
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