Patents by Inventor Dennis M. Stamires

Dennis M. Stamires 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).

  • Use of additional alumina for extra zeolite stability in FCC catalyst
    Patent number: 4325847
    Abstract: This invention relates to improvements in catalysts formed by spray drying water slurries of a faujasite type zeolite of relatively low sodium content in a matrix, containing pseudoboehmite and added anionically derived alumina gel.
    Type: Grant
    Filed: June 19, 1980
    Date of Patent: April 20, 1982
    Assignee: Filtrol Corporation
    Inventors: John C. Lim, Adrian P. Humphries, Dennis M. Stamires