IP Library › Granted Patent US 4,500,710
Granted Patent Utility
US 4,500,710 · App. 06/505,127

Quinophthalone dyes for cellulose-containing fibers

Inventors: Toshio Niwa, Toshio Hihara
Patented Case View Patent ↗
Granted: Feb 19, 1985 Filed: Jun 16, 1983
Inventors
Toshio Niwa
Toshio Hihara
Assignee (at issue)
Mitsubishi Chemical Industries, Ltd.

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Quick Facts
Patent No.
US 4,500,710
App. No.
06/505,127
Filed
1983-06-16
Granted
1985-02-19
Kind
A