Patents by Inventor Randall J. Fortin

Randall J. Fortin 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).

  • Process for coal flotation using 4-methyl cyclohexane methanol frothers
    Patent number: 4915825
    Abstract: An improved froth flotation process wherein solid coal particles are selectively separated under coal froth flotation conditions as a froth phase from remaining solid feed particles as an aqueous phase in the presence of a frother, the improvement comprising a frother of at least 4-methyl cyclohexane methanol.
    Type: Grant
    Filed: May 19, 1989
    Date of Patent: April 10, 1990
    Assignee: Nalco Chemical Company
    Inventors: Richard D. Christie, Anthony E. Gross, Randall J. Fortin