IP Library › Granted Patent US 4,632,783
Granted Patent Utility
US 4,632,783 · App. 06/732,988

Triphenylmethane dyestuffs

Inventors: William M. Hung, Patrick J. Jefferies
Patented Case View Patent ↗
Granted: Dec 30, 1986 Filed: May 13, 1985
Inventors
William M. Hung
Patrick J. Jefferies
Assignee (at issue)
Hilton Davis Chemical Co.

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Quick Facts
Patent No.
US 4,632,783
App. No.
06/732,988
Filed
1985-05-13
Granted
1986-12-30
Kind
A