Patents by Inventor Keith A. Krisa

Keith A. Krisa 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).

  • White-rot fungus and uses thereof
    Patent number: 5554535
    Abstract: The white rot fungus Scytinostroma galactinum strain F361 and mutants thereof are particularly effective in selectively grading the lignin component of lignin-containing materials, particularly processed wood pulps including chemical pulps, and also particularly effective in degrading lignin degradation products such as chlorinated degraded lignin by-products as found, for example, in E-1 effluents, and also in degrading chlorine-containing aromatic compounds generally as found in aqueous waste streams containing the same.
    Type: Grant
    Filed: October 28, 1994
    Date of Patent: September 10, 1996
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Robert A. Blanchette, Theresa S. Brush, Roberta L. Farrell, Keith A. Krisa, Chittra Mishra
  • Process for treatment of waste stream using Scytinostroma galactinum fungus ATCC 20966
    Patent number: 5545544
    Abstract: The white rot fungus Scytinostroma galactinum strain F361 and mutants thereof are particularly effective in selectively grading the lignin component of lignin-containing materials, particularly processed wood pulps including chemical pulps, and also particularly effective in degrading lignin degradation products such as chlorinated degraded lignin by-products as found, for example, in E-1 effluents, and also in degrading chlorine-containing aromatic compounds generally as found in aqueous waste streams containing the same.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: August 13, 1996
    Assignees: Sandoz Ltd., The Regents of the Univ. of Minnesota
    Inventors: Robert A. Blanchette, Theresa S. Brush, Roberta L. Farrell, Keith A. Krisa, Chittra Mishra
  • White-rot fungus and uses thereof
    Patent number: 5427945
    Abstract: The white rot fungus Scytinostroma galactinum strain F361 and mutants thereof are particularly effective in selectively grading the lignin component of lignin-containing materials, particularly processed wood pulps including chemical pulps, and also particularly effective in degrading lignin degradation products such as chlorinated degraded lignin by-products as found, for example, in E-1 effluents, and also in degrading chlorine-containing aromatic compounds generally as found in aqueous waste streams containing the same.
    Type: Grant
    Filed: February 18, 1994
    Date of Patent: June 27, 1995
    Assignees: Sandoz Ltd., The Regents of the Univ. of Minnesota
    Inventors: Robert A. Blanchette, Theresa S. Brush, Roberta L. Farrell, Keith A. Krisa, Chittra Mishra