Patents by Inventor A. David Atkisson

A. David Atkisson 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).

  • Ionic compounds formed from iron and urea
    Patent number: 4249930
    Abstract: Novel ionic compounds of the class[Fe{CO(NH.sub.2).sub.2 }.sub.n (H.sub.2 O).sub.6-n ].sup.++ SO.sub.4.sup.--wherein n is 2, 3, 4 or 5, are produced by solid state reaction between a ferrous sulfate hydrate and urea under extended intensive physical impingement conditions, as for example by ball milling for a period in excess of 2 hours, until particles of an unusual characteristic shape are formed. Uses of the compounds include correcting iron deficiencies in plants.
    Type: Grant
    Filed: March 8, 1979
    Date of Patent: February 10, 1981
    Assignee: Eagle-Picher Industries, Inc.
    Inventor: A. David Atkisson