Patents by Inventor Michael Peart

Michael Peart 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).

  • Method for the depressing of hydrous silicates and iron sulfides with dihydroxyalkyl polysaccharides
    Patent number: 5030340
    Abstract: A process for the recovery of mineral values from base metal and precious metal ores is disclosed. Specifically, a froth flotation process is disclosed which comprises contacting an aqueous ore slurry with an effective amount of a dihydroxyalkyl group containing polysaccharide, a mineral collector and a frothing agent.
    Type: Grant
    Filed: June 8, 1990
    Date of Patent: July 9, 1991
    Assignee: American Cyanamid Company
    Inventors: Hans P. Panzer, Michael Peart