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Patents Represented by Attorney Mark A. Liltman

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Red and infrared films containing 5-substituted-thio-1,2,3,4-thiatriazoles and 5-substituted-oxy-1,2,3,4-thiatriazoles

Patent number: 4914015

Abstract: 5-substituted-thio-1,2,3,4-thiatriazoles and 5-substituted-oxy=1,2,3,4-thiatriazoles have been found to be supersensitive for silver halide photographic emulsions spectrally sensitized to the red and infrared regions of the electromagnetic spectrum.

Type: Grant

Filed: October 17, 1988

Date of Patent: April 3, 1990

Assignee: Minnesota Mining and Manufacturing Company

Inventors: James B. Philip, Jr., Craig A. Perman, Peter D. Sills