Patents by Inventor Johan Walsem

Johan Walsem 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).

  • Polymer Extraction Methods
    Publication number: 20070278157
    Abstract: Polymer extraction methods are disclosed.
    Type: Application
    Filed: July 2, 2007
    Publication date: December 6, 2007
    Applicant: METABOLIX INC.
    Inventors: Johan Walsem, Luhua Zhong, Simon Shih
  • Single solvent polymer extraction methods
    Publication number: 20060058501
    Abstract: This invention relates to single solvent polymer extraction methods.
    Type: Application
    Filed: September 6, 2005
    Publication date: March 16, 2006
    Inventors: Johan Walsem, Erik Anderson, John Licata
  • Polymer extraction methods
    Publication number: 20050191629
    Abstract: Polymer extraction methods are disclosed.
    Type: Application
    Filed: July 23, 2003
    Publication date: September 1, 2005
    Inventors: Johan Walsem, Luhua Zhong, Simon Shih