Petrolite Corporation

Donald M Leiendecker

David B Guthrie

William J Cheng

This invention relates to a stable, fluid magnesium oxide-containing dispersion prepared by the thermal treatment of MgO powder in a non-volatile fluid in the presence of a stoichiometric or lesser amount of a carboxylic acid as illustrated by acetic acid.

MgO Dispensions

This invention relates to a process of treating hydrated chromium oxides with aqueous base(s) in the presence of dispersing agent(s) to form upon dehydration a virtually sediment-free oil solution and/or dispersion of hydrated chromium oxide in amounts up to about 20% chromium content. The product formed is a stable, bright, fluid oil-soluble and/or oil-dispersible hydrated chromium oxide upon filtration or centrifugation to remove minimal sediment.

Oil solutions and/or dispersions of hydrated chromium oxides

This invention relates to the preparation of clear, bright oil-soluble aluminum-containing compositions of high aluminum content; to the resulting products; and to the use of such products; for example, as fuel additives such as additives employed in turbine fuels as corrosion inhibitors and other uses.

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St. Louis, MO, United States of America

Donald M Leiendecker