Patents by Inventor David Severeid

David Severeid 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).

  • Apparatus for making carboxylated pulp fibers
    Publication number: 20050028952
    Abstract: An apparatus for carboxylating wood pulp which utilizes the wood pulp bleach plant and the method of carboxylating the pulp which takes place in the bleach plant.
    Type: Application
    Filed: August 5, 2003
    Publication date: February 10, 2005
    Inventors: David Severeid, Richard Jewell, Joseph Komen, S. Weerawarna, Bing Su
  • Methods for making carboxylated pulp fibers
    Publication number: 20050028953
    Abstract: An apparatus for carboxylating wood pulp which utilizes the wood pulp bleach plant and the method of carboxylating the pulp which takes place in the bleach plant.
    Type: Application
    Filed: August 5, 2003
    Publication date: February 10, 2005
    Inventors: David Severeid, Richard Jewell, Joseph Komen, S. Weerawarna, Bing Su