IP Library › Granted Patent US 4,675,172
Granted Patent Utility
US 4,675,172 · App. 06/806,458

Triazolopyrimidine extractants

Inventors: Peter M. Quan, Anthony J. Nelson
Patented Case View Patent ↗
Granted: Jun 23, 1987 Filed: Dec 9, 1985
Inventors
Peter M. Quan
Anthony J. Nelson
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED

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Quick Facts
Patent No.
US 4,675,172
App. No.
06/806,458
Filed
1985-12-09
Granted
1987-06-23
Kind
A