Patents by Inventor Ulla Westermark

Ulla Westermark 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).

  • Lignocellulose product
    Patent number: 7326317
    Abstract: The invention concerns a process for the production of activated fibres or particles having self-binding properties comprising the steps of treating fibers or particles of lignocellulose containing material by contacting them with an oxidant during a time sufficient for the formation of water soluble reaction products with binding properties and retaining at least a significant part of said water soluble reaction products with the treated fibers or particles. The invention further concerns activated fibers or particles obtainable by the process, a press molded product and a process for the production thereof from activated fibers or particles.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: February 5, 2008
    Inventors: Ulla Westermark, Olov Karlsson
  • Lignocellulose product
    Publication number: 20050011621
    Abstract: The invention concerns a process for the production of activated fibres or particles having self-binding properties comprising the steps of treating fibres or particles of lignocellulose containing material by contacting them with an oxidant during a time sufficient for the formation of water soluble reaction products with binding properties and retaining at least a significant part of said water soluble reaction products with the treated fibres or particles. The invention further concerns activated fibres or particles obtainable by the process, a press moulded product and a process for the production thereof from activated fibres or particles.
    Type: Application
    Filed: October 31, 2002
    Publication date: January 20, 2005
    Inventors: Ulla Westermark, Olov Karlsson