Patents by Inventor Jannetje Maatje van den Berge, legal representative

Jannetje Maatje van den Berge, legal representative 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).

  • Crystalline molecular sieves
    Patent number: 7264789
    Abstract: A colloidal suspension of LEV structure type crystalline molecular sieve, making the suspension by washing smaller crystallites from a previously found solid LEV product, and using the suspension as seeds in further crystalline molecular sieve syntheses.
    Type: Grant
    Filed: July 28, 1999
    Date of Patent: September 4, 2007
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jannetje Maatje Van Den Berge, legal representative, Machteld Maria Wilfried Mertens, Marcel Johannes Janssen, Cornelius Wilhelmus Maria Van Oorschot, David E. W. Vaughan, Johannes Petrus Verduijn, deceased
  • Molecular sieve layers and processes for their manufacture
    Patent number: 7049259
    Abstract: Layers comprising a molecular sieve layer on a porous or non-porous support, having uniform properties and allowing high flux are prepared from colloidal solutions of zeolite or other molecular sieve precursors (particle size less than 100 nm), by deposition, e.g., by spin or dip-coating, or by in situ crystallization.
    Type: Grant
    Filed: April 25, 1994
    Date of Patent: May 23, 2006
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Harry William Deckman, Allan Joseph Jacobson, James Alexander McHenry, Klaas Keizer, Zeger Alexander Eduard Pieter Vroon, Lothar Ruediger Czarnetzki, Frank Wenyih Lai, Antonie Jan Bons, Anthonie Jan Burggraaf, Jannetje Maatje van den Berge, legal representative, Edward William Corcoran, Jr., Wilfred Jozef Mortier, Johannes Petrus Verduijn, deceased
  • Processes for manufacture of molecular sieves
    Patent number: 6974889
    Abstract: Colloidal crystalline molecular sieve seeds are used in phosphorus-containing crystalline molecular sieve manufacture. Certain of the products have enhanced utility in oxygenate conversions.
    Type: Grant
    Filed: July 28, 1999
    Date of Patent: December 13, 2005
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jannetje Maatje van den Berge, legal representative, Machteld Maria Wilfried Mertens, Wilfried Jozef Mortier, Marcel Johannes Janssen, Cornelius Maria Wilhelmus Van Oorschot, Johannes Petrus Verduijn, deceased