Patents by Inventor Lawrence E. Schultze

Lawrence E. Schultze 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).

  • Separation of lithium chloride from impurities
    Patent number: 4588565
    Abstract: Lithium chloride is separated from its mixtures with calcium chloride by preferentially dissolving the lithium chloride in tetrahydrofuran. The separation is achieved since the lithium chloride is soluble in tetrahydrofuran, while the calcium chloride is not. The process is particularly applicable to geothermal brines.
    Type: Grant
    Filed: August 1, 1984
    Date of Patent: May 13, 1986
    Assignee: The United States of America as represented by the Secretary of the Interior
    Inventors: Lawrence E. Schultze, Donald J. Bauer, Ronald M. Arington
  • Ferric leaching of uranium values from lignite
    Patent number: 4272491
    Abstract: There is disclosed a process for extracting uranium values from a uranium-containing carbonaceous ore such as lignite. This process includes the step of treating the ore with an aqueous leach solution containing a water-soluble ferric salt.
    Type: Grant
    Filed: June 1, 1979
    Date of Patent: June 9, 1981
    Assignee: The United States of America as represented by the Secretary of the Interior
    Inventors: Lawrence E. Schultze, Donald J. Bauer, Michael T. Morimoto
  • Removal of iron from aluminum nitrate
    Patent number: 4032613
    Abstract: Iron is removed from concentrated aluminum nitrate solution by solvent extraction with tri-n-butyl phosphate.
    Type: Grant
    Filed: December 9, 1975
    Date of Patent: June 28, 1977
    Assignee: The United States of America as represented by the Secretary of the Interior
    Inventors: Lawrence E. Schultze, Donald J. Bauer, Judith A. Eisele