Patents by Inventor Harvey Snook

Harvey Snook 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).

  • Magnetic flotation
    Patent number: 4657666
    Abstract: A method for mineral upgrading or concentration, characterized in that a gangue-associated mineral having a hydrophobic surface and being in particulate form, is contacted with particles of a magnetic material also having a hydrophobic surface, whereby the mineral particles become attached to the surface of the magnetic particles, the magnetic particles with the attached mineral particles are separated from the gangue by magnetic means, and the mineral particles are then detached from the magnetic particles.
    Type: Grant
    Filed: July 29, 1985
    Date of Patent: April 14, 1987
    Assignee: W.S.R. Pty. Ltd.
    Inventors: Harvey Snook, Terence C. Hughes
  • Method for harvesting algae
    Patent number: 4554390
    Abstract: A method for harvesting algae of the genus Dunaliella from suspensions thereof in brines containing sodium chloride at a concentration of about 3M or above, wherein the algal suspension is contacted with an adsorbent having a hydrophobic surface so as to adsorb the algae thereon, and the adsorbent with the algae adsorbed thereon is separated from the brine..beta.-carotene and other useful cell components may be extracted from the adsorbed algae by treatment with a suitable solvent.
    Type: Grant
    Filed: June 7, 1983
    Date of Patent: November 19, 1985
    Assignees: Commonwealth Scientific and Industrial Research Organization, Betatene Limited
    Inventors: Cyril C. Curtain, Harvey Snook