Patents by Inventor Joan Heiser

Joan Heiser has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Combustion fuel additives comprising metal enolates
    Patent number: 4474580
    Abstract: An additive suitable for use in a combustion fuel comprising:(a) a complex of an iron enolate having the formula: ##STR1## wherein R, R.sub.1 and R.sub.2 are, individually, hydrogen, alkyl having 1 to 22 carbon atoms or aryl in an amount effective to improve the combustion performance of the combustion fuel and, per part by weight of iron enolate;(b) 0.05 to 10 parts of a cerium enolate having the formula: ##STR2## wherein R, R.sub.1 and R.sub.2 are, individually, hydrogen, alkyl having 1 to 22 carbon atoms or aryl; and(c) 5 to 150 parts of a solvent capable of rendering the iron enolate and the cerium enolate miscible with the combustion fuel.
    Type: Grant
    Filed: March 16, 1982
    Date of Patent: October 2, 1984
    Assignee: MacKenzie Chemical Works, Inc.
    Inventors: Ian M. MacKenzie, Alfred M. Vogel, Joan Heiser, Kenneth W. Bowers, Mark Driscoll, Angela M. Arettines