Inventor · disambiguated record
Donald E. Leonard
Also filed as: LEONARD DONALD E
6 granted patents·160 citations·filing 1990–1991
85Inventor score
Files withDOW CHEMICAL CO6
Top patents by PatentIndex Score
6 records- 0182US5131600AAlkanol amine grinding aidsDOW CHEMICAL CO·Filed 1990·Granted Jul 21, 1992·48 cites·8 claims
- 0280US5057209ADepression of the flotation of silica or siliceous gangue in mineral flotationDOW CHEMICAL CO·Filed 1990·Granted Oct 15, 1991·44 cites·21 claims
- 0372US5173176ADialkylated aryl monosulfonate collectors useful in the flotation of mineralsDOW CHEMICAL CO·Filed 1991·Granted Dec 22, 1992·30 cites·27 claims
- 0460US5171427ASulfonated and carboxylate collector compositions useful in the flotation of mineralsDOW CHEMICAL CO·Filed 1991·Granted Dec 15, 1992·20 cites·14 claims
- 0550US5015367AAlkylated diaryl oxide monosulfonate collectors useful in the floatation of mineralsDOW CHEMICAL CO·Filed 1990·Granted May 14, 1991·14 cites·18 claims
- 0632US5244155ASolid-solid separations utilizing alkanol aminesDOW CHEMICAL CO·Filed 1991·Granted Sep 14, 1993·4 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Donald E. Leonard files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →