IP Library › Granted Patent US 4,256,831
Granted Patent Utility
US 4,256,831 · App. 06/068,508

Light-sensitive photographic element comprising a magenta image dye-providing compound

Inventors: Masaru Kanbe, Kazumasa Watanabe, Morito Uemura, Jiro Takahashi, Ryuichiro Kobayashi, Tatsuhiko Kobayashi
Patented Case View Patent ↗
Granted: Mar 17, 1981 Filed: Aug 22, 1979
Inventors
Masaru Kanbe
Kazumasa Watanabe
Morito Uemura
Jiro Takahashi
Ryuichiro Kobayashi
Tatsuhiko Kobayashi
Assignee (at issue)
Konishiroku Photo Industry Co., Ltd.

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Quick Facts
Patent No.
US 4,256,831
App. No.
06/068,508
Filed
1979-08-22
Granted
1981-03-17
Kind
A