Patents by Inventor Marc H. Anthonis

Marc H. Anthonis 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).

  • Patent number: 6258991
    Abstract: Low temperature hydrothermal treatment of an LTL zeolite-producing mixture produces a colloidal suspension of the zeolite; the suspension may be used as seeds in Al- and Ga-LTL zeolite manufacture.
    Type: Grant
    Filed: January 12, 2000
    Date of Patent: July 10, 2001
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Johannes Petrus Verduijn, Machteld M Mertens, Marc H Anthonis
  • Patent number: 6190638
    Abstract: Mixtures of synthesis mixtures of different alkalinity's produce small MFI crystals that are not spherical.
    Type: Grant
    Filed: October 19, 1998
    Date of Patent: February 20, 2001
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Marc H. Anthonis, Antonie Jan Bons, Johannes P. Verduijn
  • 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
  • Patent number: 6042808
    Abstract: Low temperature hydrothermal treatment of an LTL zeolite-producing mixture produces a colloidal suspension of the zeolite; the suspension may be used as seeds in Al-- and Ga--LTL zeolite manufacture.
    Type: Grant
    Filed: June 20, 1997
    Date of Patent: March 28, 2000
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Johannes Petrus Verduijn, Machteld M Mertens, Marc H Anthonis