Inventor · disambiguated record
Duane J. Lewis
Also filed as: LEWIS DUANE J
7 granted patents·92 citations·filing 1985–2012
84Inventor score
Top patents by PatentIndex Score
7 records- 0182US5075090AProcess for preparing small particle size mixed metal oxidesVISTA CHEMICAL·Filed 1989·Granted Dec 24, 1991·40 cites·8 claims
- 0267US4744974AProcess for production of aluminaVISTA CHEMICAL·Filed 1986·Granted May 17, 1988·22 cites·7 claims
- 0366US4617183AProduction and recovery of alumina from vapor phase hydrolysis of aluminum trialkoxidesVISTA CHEMICAL·Filed 1985·Granted Oct 14, 1986·22 cites·8 claims
- 0459US8136669B2Process and composition for froth flotationFILLER PAUL A·Filed 2006·Granted Mar 20, 2012·2 cites·1 claims
- 0548US8257608B2Process and composition for froth flotationFILLER PAUL A·Filed 2012·Granted Sep 4, 2012·0 cites·1 claims
- 0636US5569325AProcess for growing crystalsCONDEA VISTA CO·Filed 1991·Granted Oct 29, 1996·4 cites·16 claims
- 0729US5316752AProcess for preparing mixed oxidesVISTA CHEMICAL·Filed 1991·Granted May 31, 1994·2 cites·9 claims
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