Patents by Inventor John Macaoay

John Macaoay 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).

  • In-situ ZSM-5 synthesis
    Patent number: 7344695
    Abstract: A novel method of forming ZSM-5 comprises reacting calcined kaolin microspheres with silicate and a seed solution used for forming zeolite Y under conditions of pH, temperature, and time to yield ZSM-5 crystals formed in-situ on said calcined kaolin microspheres. The reaction medium does not contain any organic templates or ZSM-5 seeding crystals.
    Type: Grant
    Filed: March 14, 2005
    Date of Patent: March 18, 2008
    Assignee: Engelhard Corporation
    Inventors: Mingting Xu, John Macaoay
  • In-situ ZSM-5 synthesis
    Publication number: 20050181933
    Abstract: A novel method of forming ZSM-5 comprises reacting calcined kaolin microspheres with silicate and a seed solution used for forming zeolite Y under conditions of pH, temperature, and time to yield ZSM-5 crystals formed in-situ on said calcined kaolin microspheres. The reaction medium does not contain any organic templates or ZSM-5 seeding crystals.
    Type: Application
    Filed: March 14, 2005
    Publication date: August 18, 2005
    Inventors: Mingting Xu, John Macaoay
  • In-situ ZSM-5 synthesis
    Patent number: 6908603
    Abstract: A novel method of forming ZSM-5 comprises reacting calcined kaolin microspheres with silicate and a seed solution used for forming zeolite Y under conditions of pH, temperature, and time to yield ZSM-5 crystals formed in-situ on said calcined kaolin microspheres. The reaction medium does not contain any organic templates or ZSM-5 seeding crystals.
    Type: Grant
    Filed: June 2, 2003
    Date of Patent: June 21, 2005
    Assignee: Engelhard Corporation
    Inventors: Mingting Xu, John Macaoay
  • In-situ ZSM-5 synthesis
    Publication number: 20040238407
    Abstract: A novel method of forming ZSM-5 comprises reacting calcined kaolin microspheres with silicate and a seed solution used for forming zeolite Y under conditions of pH, temperature, and time to yield ZSM-5 crystals formed in-situ on said calcined kaolin microspheres. The reaction medium does not contain any organic templates or ZSM-5 seeding crystals.
    Type: Application
    Filed: June 2, 2003
    Publication date: December 2, 2004
    Inventors: Mingting Xu, John Macaoay