Patents by Inventor David J. Strom

David J. Strom 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).

  • Method for more efficient uptake of plant growth nutrients
    Patent number: 5593947
    Abstract: Water-soluble polyorganic acids having a molecular size of more than 1,500 Daltons enhance plant fertilizer uptake when supplied to the plant, usually in the root feeding zone or through foliar mechanisms. Particularly suitable for this purpose are the polyamino acids such as polyaspartic acid and copolymers thereof.
    Type: Grant
    Filed: September 27, 1994
    Date of Patent: January 14, 1997
    Assignee: Donlar Corporation
    Inventors: Alan M. Kinnersley, Larry P. Koskan, David J. Strom, Abdul R. Y. Meah
  • Composition and method for enhanced fertilizer uptake by plants
    Patent number: 5350735
    Abstract: Water-soluble poly(organic acids) having a molecular size of more than 1,500 Daltons enhance fertilizer uptake and promote plant growth. Particularly suitable for this purpose are the poly(amino acids) such as poly(aspartic acid) and copolymers thereof.
    Type: Grant
    Filed: November 5, 1992
    Date of Patent: September 27, 1994
    Assignee: Donlar Corporation
    Inventors: Alan M. Kinnersley, Larry P. Koskan, David J. Strom, Abdul R. Y. Meah