Radiation imagery chemistry: process – composition – or product th – Including control feature responsive to a test or measurement
Patent
1990-07-25
1993-06-29
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Including control feature responsive to a test or measurement
430403, 430607, 436164, 436905, G03C 500
Patent
active
052233596
ABSTRACT:
Wet pressure sensitivity of a film having a silver halide coating is indirectly determined by measurement of a difference in density of a coating area which has increased pressure applied thereto compared to a coating area without such increased pressure.
REFERENCES:
patent: 4861702 (1989-08-01), Suzuki et al.
patent: 4900652 (1990-02-01), Dickerson et al.
patent: 5026632 (1991-06-01), Bagchi et al.
patent: 5066572 (1991-11-01), O'Connor et al.
"1992 Standard Postage Stamp Catalog", vol. 1, Scott Publishing Co., 1991, pp. 17A-19A.
Klein B. J.
Shelton Kenneth L.
Woodroffe James R.
Bowers Jr. Charles L.
E. I. Du Pont de Nemours and Company
Neville Thomas R.
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