Abstract: The amount of soot and invisible particulates emitted with the exhaust of engines run on diesel fuel is reduced by incorporating therein an additive consisting of a mixture of an oxygenated compound and an alkyl cyclopentadienyl manganese tricarbonyl.Also disclosed is a method of operating a diesel engine using the fuel of the invention.
Abstract: The brightness of a cerium oxide is improved by adding a boron compound to a cerium salt or a mixture of cerium salts, and the calcining the mixture in the presence of air in a conventional manner.
Type:
Grant
Filed:
July 21, 1976
Date of Patent:
September 20, 1977
Assignee:
Treibacher Chemische Werke Aktiengesellschaft
Abstract: A calcium-alumino composition formed by carbonating at a temperature between about 20.degree. to 100.degree. C, a hydrate of a water paste of an anhydrous calcium-alumino binder and an anhydrous calcium-silico binder formed at a temperature between about 5.degree. and 100.degree. C, said paste having a dry extract of about 5 to 70% by weight.
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