Patents by Inventor Dean P. Montgomery, deceased

Dean P. Montgomery, deceased 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).

  • Patent number: 4926005
    Abstract: In a process for dehydrogenating alkanes having 2-5 carbon atoms per molecule in the presence of steam and a catalyst composition comprising Group IIA and/or IIB metal aluminate, Group VIII metal(s) and Group IVA metal compound(s), the improvement comprises the step of pretreating the alkane containing feed with a material comprising a Group IIA and/or Group IIB metal aluminate under non-dehydrogenating conditions.
    Type: Grant
    Filed: May 17, 1989
    Date of Patent: May 15, 1990
    Assignee: Phillips Petroleum Company
    Inventors: Michael E. Olbrich, Dwight L. McKay, Dean P. Montgomery, deceased, by B. Jean, administratrix Montgomery