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Dive into the research topics where Donald E. Leonard is active.

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Featured researches published by Donald E. Leonard.


Archive | 1990

Alkanol amine grinding aids

Richard R. Klimpel; Donald E. Leonard; Basil S. Fee


Archive | 1991

Dialkylated aryl monosulfonate collectors useful in the flotation of minerals

Richard R. Klimpel; Donald E. Leonard; Kevin A. Frazier


United States Patent (US | 1990

Depression of the flotation of silica or siliceous gangue in mineral flotation

Richard R. Klimpel; Donald E. Leonard; Robert D. Hansen; Basil S. Fee


Archive | 1990

Alkylated diaryl oxide monosulfonate collectors useful in the floatation of minerals

Richard R. Klimpel; Donald E. Leonard


Archive | 1991

Sulfonated and carboxylate collector compositions useful in the flotation of minerals

Richard R. Klimpel; Donald E. Leonard; Gordon D. Mccann


Archive | 1991

Aryl monosulfonate collectors useful in the flotation of minerals.

Richard R. Klimpel; Donald E. Leonard; Kevin A. Frazier; Gordon D. Mccann


Archive | 1991

Solid-solid separations utilizing alkanol amines

Richard R. Klimpel; Basil S. Fee; Donald E. Leonard


Archive | 1993

METHOD OF MINERAL EXTRACTION

Richard R. Klimpel; Donald E. Leonard


Archive | 1997

METHOD OF SEPARATING MIXTURE OF SOLID SUBSTANCES

Richard R. Klimpel; Bezil S Fi; Donald E. Leonard


Archive | 1993

PROCESS FOR RECOVERY OF PRECIOUS MINERALS

Richard R. Klimpel; Robert D Khansen; Donald E. Leonard; Bejsil S Fi

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