Patents by Inventor Samuel Shan Ning Wang

Samuel Shan Ning Wang 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).

  • Effective promoter extender for conventional fatty acids in non-sulfide mineral flotation
    Patent number: 4090972
    Abstract: The use of a secondary alcohol or an ethoxylated secondary alcohol in conjunction with conventional fatty acid in the flotation of non-sulfide minerals eliminates or reduces requirements for fuel oil usage.
    Type: Grant
    Filed: September 16, 1976
    Date of Patent: May 23, 1978
    Assignee: American Cyanamid Company
    Inventors: Samuel Shan-Ning Wang, Eugene Leroy Smith, Jr.
  • Novel flotation agents for the beneficiation of phosphate ores
    Patent number: 4034863
    Abstract: Partial esters of polycarboxylic acids having the structure ##STR1## wherein R is the radical remaining after removal of the hydroxyl group of a straight chain linear aliphatic alcohol having 12-22 carbon atoms, n is a number of 0-5, and R' is a specified bivalent grouping which are effective collectors for non-sulfide minerals in froth flotation.
    Type: Grant
    Filed: December 22, 1975
    Date of Patent: July 12, 1977
    Assignee: American Cyanamid Company
    Inventor: Samuel Shan Ning Wang