The Standard Oil Company

The Standard Oil Company (ohio)

Franklin Veatch

Daniel W Feldman

James W Sprague

Philip S Fay

Wallace R Loder, Jr

Harvey E Alford

Bitumen is separated from tar sands by contacting the tar sands with a small amount of liquid, heating the liquid treated tar sands to expand the liquid as a vapor thereby reducing the density of the bitumen and separating the bitumen from the remainder of the tar sands on the basis of density.

Recovery of bitumen from tar sands

The invention is gasoline containing an added manganese compound to improve the octane rating of the gasoline and including a small amount of an additive selected from a group consisting of a monocarboxylic acid or its ester, a dicarboxylic acid or its monoester or diester, an alkylamine, phenol, a substituted phenol or mixture thereof.

Manganese containing fuels

The invention is gasoline, containing manganese additives, to improve the octane rating of the gasoline and including a hydrocarbon ester of citric acid.

Non-leaded motor fuel compositions having improved octane rating N,N-disubstituted diselenocarbamates of certain metals as octane improvers.

Non-leaded gasoline having improved anti-knock quality

Non-leaded motor fuel compositions having improved octane rating contain O-alkyldiselenocarbonates of certain metals as octane improvers.

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Cleveland, OH, United States of America

Franklin Veatch