Patents by Inventor Pieter Boudewijn Pluyter

Pieter Boudewijn Pluyter 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).

  • Process for making microporous films of ultrahigh molecular weight polyethylene
    Patent number: 5643511
    Abstract: The invention relates to microporous films of ultrahigh molecular weight polyethylene and to a process for the preparation thereof by forming a solution of UHMWPE in an evaporable solvent into a film and evaporating the solvent from the film at a temperature below the dissolution temperature, the shrinking tendency occurring in the film being prevented in at least one direction in the plane of the film.
    Type: Grant
    Filed: June 29, 1993
    Date of Patent: July 1, 1997
    Assignee: DSM N.V.
    Inventors: Pieter Boudewijn Pluyter, Paul Smith, Lambert Henri Theodoor Van Unen, Hendrikus Johannes Jozef Rutten