Patents by Inventor Philip P. Lifland

Philip P. Lifland 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).

  • Cyanide removal from wastewaters
    Patent number: 4239620
    Abstract: Removal of cyanide in wastewater treatment improved by initially contacting a rich cyanide bearing stream with activated sludge at a pH within the range of 3-6 upstream of the wastewater treating plant.
    Type: Grant
    Filed: April 16, 1979
    Date of Patent: December 16, 1980
    Assignee: Mobil Oil Corporation
    Inventors: Brian E. Doll, Vernon F. Coty, Philip P. Lifland