IP Library › Granted Patent US 4,443,614
Granted Patent Utility
US 4,443,614 · App. 06/162,659

Triarylmethane derivatives

Inventors: Mitsuru Kondo, Kiyoshi Yasui, Makoto Miyake, Hiroshi Iwasaki, Tetsuo Shiraishi
Patented Case View Patent ↗
Granted: Apr 17, 1984 Filed: Jun 24, 1980
Inventors
Mitsuru Kondo
Kiyoshi Yasui
Makoto Miyake
Hiroshi Iwasaki
Tetsuo Shiraishi
Assignee (at issue)
Kanzaki Paper Manufacturing Co., Ltd.

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Quick Facts
Patent No.
US 4,443,614
App. No.
06/162,659
Filed
1980-06-24
Granted
1984-04-17
Kind
A