Patents by Inventor Lubomir Jurasek

Lubomir Jurasek 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).

  • Direct biological bleaching of hardwood kraft pulp with the fungus Coriolus versicolor
    Patent number: 4830708
    Abstract: There is provided a process for bleaching kraft hardwood pulp wherein the bleaching is done utilizing the fungus Coriolus versicolor wherein the pulp is treated with the fungus at a temperature and for a time sufficient for the bleaching to occur. The pulp may subsequently be sterilized after bleaching.
    Type: Grant
    Filed: November 30, 1987
    Date of Patent: May 16, 1989
    Assignee: Pulp and Paper Research Institute of Canada
    Inventors: Michael G. Paice, Frederick S. Archibald, Lubomir Jurasek, Robert E. Bourbonnais, Ka-Kee Ho