Assignee
DOE RUN CO
US·5 granted patents·107 citations·filing 1987–1997
Top patents by PatentIndex Score
5 records- 0178US5074994ASequential and selective flotation of sulfide oresDOE RUN CO·Filed 1990·Granted Dec 24, 1991·48 cites·26 claims
- 0275US5925862AProcess for the recovery of cobalt from ores containing metal sulfidesDOE RUN CO·Filed 1997·Granted Jul 20, 1999·30 cites·17 claims
- 0359US5078860ASequential and selective flotation of sulfide ores containing copper and molybdenumDOE RUN CO·Filed 1991·Granted Jan 7, 1992·25 cites·12 claims
- 0424US4808376AMethod of alloying aluminum and calcium into leadDOE RUN CO·Filed 1987·Granted Feb 28, 1989·3 cites·18 claims
- 0515US5122408ATwo-sided lead composite and method of making sameDOE RUN CO·Filed 1990·Granted Jun 16, 1992·1 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when DOE RUN CO files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →