Patents by Inventor Warren William Kaeding

Warren William Kaeding 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).

  • Methylation of toluene
    Patent number: 3965208
    Abstract: Process for the methylation of toluene under conditions such that the formation of meta-xylene is suppressed and the formation of ortho and para-xylene is enhanced carried out in the presence of a catalyst comprising a crystalline aluminosilicate zeolite, said zeolite having a silica to alumina ratio of at least about 12 and a constraint index, as hereinafter defined, of from 1 to 12, said catalyst having been modified by the addition thereto of a Group VA element in an amount of at least 0.5 percent by weight.
    Type: Grant
    Filed: January 6, 1975
    Date of Patent: June 22, 1976
    Assignee: Mobil Oil Corporation
    Inventors: Stephen Allan Butter, Warren William Kaeding