Patents by Inventor Steven Severtson

Steven Severtson 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 inhibiting calcium salt scale
    Publication number: 20050126727
    Abstract: Compositions and method of improving inhibition of calcium salt scale formation under the conditions found in chemical pulp processes in which an effective amount of selected phosphonates or phosphonate blends is admixed with the black liquor composition recovered from the digester in a chemical pulping process. The compositions and method are especially well suited for use in the Kraft pulping process.
    Type: Application
    Filed: January 26, 2005
    Publication date: June 16, 2005
    Inventors: Jacob Thompson, Sheldon Verrett, Jeremy Loy, Steven Severtson
  • Sortable adhesive coated paper articles
    Publication number: 20050020162
    Abstract: An article that includes a paper substrate and an adhesive provided on the substrate. The paper substrate has a surface energy no greater than about 55 mJ/m2 and a wet strength that is maintained at a sufficiently high level when the article is subjected to repulping such that the substrate remains substantially intact at the conclusion of repulping.
    Type: Application
    Filed: July 17, 2002
    Publication date: January 27, 2005
    Inventors: Steven Severtson, Xinping Wang, Michael Nowak