Patents by Inventor August S. Bjornson

August S. Bjornson 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 treating cotyledonous plants
    Patent number: 6167652
    Abstract: Application of a water-soluble salt of chitosan to the foliage of growing plants increases the yield of vegetables, tubers, cereal grains, fruits and blossoms. Plants so treated are healthier, sturdier, more resistant to drought and many varieties enjoy an extended period of production. The plants may be effectively and conveniently treated by spraying the foliage with a solution containing 0.01-1.5% wt. chitosan salt using conventional agricultural equipment and techniques.
    Type: Grant
    Filed: January 26, 1999
    Date of Patent: January 2, 2001
    Assignee: DCV, Inc.
    Inventors: George E. Heinsohn, August S. Bjornson
  • Method for treating cotyledonous plants
    Patent number: 5726123
    Abstract: Application of an aqueous solution containing a chitosan salt and oligomers of chitosan to the foliage of growing plants increases the yield of vegetables, tubers, cereal grains, fruits, and blossoms.
    Type: Grant
    Filed: February 12, 1997
    Date of Patent: March 10, 1998
    Assignee: DCV Chitin Technologies, L.P.
    Inventors: George E. Heinsohn, August S. Bjornson