Patents by Inventor Hamid Alifandi

Hamid Alifandi 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).

  • Crystallized silica-alumina cogel and catalyst employing the same
    Patent number: 4237031
    Abstract: This invention relates silica-alumina cogels containing a crystalline phase and to hydrothermally treatment of silica-alumina cogels resulting in generation of a crystalline phase in the gel and the employment of such crystallized gels as hydrocarbon conversion catalysts.
    Type: Grant
    Filed: February 5, 1979
    Date of Patent: December 2, 1980
    Assignee: Filtrol Corporation
    Inventors: Hamid Alifandi, Dennis Stamires