Patents by Inventor Daniel R. Uhr, Jr.

Daniel R. Uhr, Jr. 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).

  • 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.