Patents by Inventor Bengt Wesslén

Bengt Wesslén 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 electrolyte, a battery cell comprising the electrolyte and method of producing the electrolyte
    Patent number: 6596440
    Abstract: The invention relates to a polymer electrolyte comprising a polymer, a metal salt and at least one plasticizer or solvent, wherein the polymer is an amphiphilic graft copolymer comprising a backbone carrying hydrophilic and hydrophobic grafts attached to different carbon atoms in the backbone, and further wherein the hydrophobic grafts are selected from the group of fluorinated chains or alkyl chains having at least 8 carbon atoms. The invention also relates to a battery cell comprising a polymer electrolyte and methods of producing a polymer electrolyte.
    Type: Grant
    Filed: December 20, 2000
    Date of Patent: July 22, 2003
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Patrik Gavelin, Bengt Wesslén
  • Method for the preparation of UHMWPE doped with an antioxidant and an implant made thereof
    Patent number: 6448315
    Abstract: The invention relates to a method for the preparation in a reactor of a UHMWPE material doped with an antioxidant, preferably vitamin E.
    Type: Grant
    Filed: December 27, 2001
    Date of Patent: September 10, 2002
    Assignee: Bone Support AB
    Inventors: Lars Lidgren, Peter Bengtsson, Peter Sj{overscore (o)}vall, Bengt Wesslén
  • Polymer electrolyte, a battery cell comprising the electrolyte and method of producing the electrolyte
    Publication number: 20010033974
    Abstract: A polymer electrolyte comprising a polymer, a metal salt and possibly at least one plasticizer or solvent, wherein the polymer is an amphiphilic graft copolymer comprising a backbone carrying hydrophilic and hydrophobic grafts attached to different carbon atoms in the backbone, wherein the hydrophobic grafts are selected from the group of fluorinated chains or alkyl chains having at least 8 carbon atoms
    Type: Application
    Filed: December 20, 2000
    Publication date: October 25, 2001
    Inventors: Patrik Gavelin, Bengt Wesslen