Patents by Inventor Wim Guy Jean-Marie DeGijnst

Wim Guy Jean-Marie DeGijnst 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).

  • Molecular sieves and processes for their manufacture
    Patent number: 6074457
    Abstract: Structures comprising a crystalline molecular sieve layer on a substrate and an additional layer of a refractory material to occlude voids in the molecular sieve layer.
    Type: Grant
    Filed: January 13, 1999
    Date of Patent: June 13, 2000
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Marc H. Anthonis, Antonie Jan Bons, Lothar Ruediger Czarnetzki, Wim Guy Jean-Marie DeGijnst, Wilfried Jozef Mortier, Cornelius Wilhelmus Maria Van Oorschot