Patents by Inventor Daniel R. Uhr

Daniel R. Uhr 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).

  • System and process for iodine recovery
    Patent number: 6004465
    Abstract: Disclosed is a method and apparatus for recovering iodine from an aqueous suspension. Particulate iodine is formed on a filter septum and forms a cake of solid iodine. The cake is removed by backwash with a liquid or by blowback with a gas. Contact of the iodine with the environment is minimized.
    Type: Grant
    Filed: June 11, 1997
    Date of Patent: December 21, 1999
    Assignee: Pall Corporation
    Inventors: Daniel R. Uhr, Peter M. O'Connell, Glen E. Petaja, Gregory Collins, Nelson J. Sobel
  • Manganese micronutrient solutions
    Patent number: 4265653
    Abstract: An aqueous manganese micronutrient solution comprising between 0.1 and 2.0 wt. % of ferrous ion, about 5 wt. % manganous ion, between 1 and 1.5 moles of citric acid anion per mole of manganous ion and ammonia in an amount to maintain the pH of the solution between 7.5 and 12.
    Type: Grant
    Filed: July 5, 1979
    Date of Patent: May 5, 1981
    Assignee: Pfizer Inc.
    Inventors: Hazen L. Hoyt, 4th, Daniel R. Uhr, Jr.