Patents by Inventor Ernie F. Huliganga

Ernie F. Huliganga 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).

  • Novel frother composition for beneficiation of mineral ores
    Patent number: 4208487
    Abstract: A combination of conventional frothing agent and a particular amino-aldehyde resin provides better recovery of mineral values than can be obtained with either agent alone.
    Type: Grant
    Filed: February 15, 1979
    Date of Patent: June 17, 1980
    Assignee: American Cyanamid Company
    Inventors: Samuel S. Wang, Eugene L. Smith, Jr., Ernie F. Huliganga
  • Process for froth flotation of non-sulfide minerals
    Patent number: 4186083
    Abstract: An improved process of froth flotation for non-sulfide minerals arises when the collector employed is a combination of a fatty acid and an anionic perfluorosulfonate compound.
    Type: Grant
    Filed: December 21, 1977
    Date of Patent: January 29, 1980
    Assignee: American Cyanamid Company
    Inventors: Samuel S. Wang, Eugene L. Smith, Jr., Ernie F. Huliganga
  • Process for froth flotation of phosphate ores
    Patent number: 4158623
    Abstract: Conditioning of an aqueous slurry of a phosphate ore with a combination of a fatty acid and a dialkylsulfosuccinic acid or salt thereof provides improved beneficiation upon froth flotation of the conditioned ore.
    Type: Grant
    Filed: December 21, 1977
    Date of Patent: June 19, 1979
    Assignee: American Cyanamid Company
    Inventors: Samuel S. Wang, Ernie F. Huliganga
  • Collector combination for non-sulfide ores
    Patent number: 4147644
    Abstract: Combinations of fatty acids and anionic perfluoroalkyl compounds are superior collectors in the froth flotation of non-sulfide minerals.
    Type: Grant
    Filed: December 21, 1977
    Date of Patent: April 3, 1979
    Assignee: American Cyanamid Company
    Inventors: Samuel S. Wang, Eugene L. Smith, Jr., Ernie F. Huliganga