Patents by Inventor Eivind B. Lillehoj

Eivind B. Lillehoj 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).

  • Patent number: 4304649
    Abstract: The solubilization of lignocellulosic fibrous material is accomplished by impregnating the selected lignocellulosic material with one of a group of certain swelling agents, allowing a sufficient amount of time until the desired degree of swelling is achieved, then subjecting the swollen fibers to irradiation from a gamma radiation source.
    Type: Grant
    Filed: August 25, 1980
    Date of Patent: December 8, 1981
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Youn W. Han, Eivind B. Lillehoj, Alex Ciegler