Patents Represented by Attorney George W. Walker

Find this attorney in the Justia Lawyer Directory

  • Selective destruction of certain algae
    Patent number: 4065875
    Abstract: A process is described for the selective destruction of Phaeodactylum cells in the presence of Thallasiosira cells by subjecting algae culture liquid containing these species to ultrasonic waves.
    Type: Grant
    Filed: September 17, 1976
    Date of Patent: January 3, 1978
    Assignee: University of Delaware
    Inventor: Richard Frank Srna