Patents Represented by Attorney A. E. Aneona

Find this attorney in the Justia Lawyer Directory

  • Method of preparing a manganese chelate having improved properties
    Patent number: 4322361
    Abstract: Ethylenediaminetetraacetic acid and the trisodium salt of N-hydroxyethylethylenediaminetriacetic acid are mixed in water at mole ratios of 80/20 to 52/48, respectively, and a manganese compound is dissolved therein with heating. The pH is adjusted to 7 and water is added to make a solution of manganese chelate which contains 6% by wt. manganese. The resulting solution has good freeze-thaw stability.
    Type: Grant
    Filed: March 3, 1980
    Date of Patent: March 30, 1982
    Assignee: The Dow Chemical Company
    Inventors: David A. Wilson, Freddie Griffin, Jr.