Patents by Inventor Walter G. Schlaffer

Walter G. Schlaffer 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).

  • Method for catalyst preparation
    Patent number: 3959180
    Abstract: A method is disclosed for preparing nickel-containing crystalline aluminosilicate catalysts particularly useful in hydrocracking processes.
    Type: Grant
    Filed: January 23, 1975
    Date of Patent: May 25, 1976
    Assignee: Shell Oil Company
    Inventors: Clarence W. Bittner, Walter G. Schlaffer