Patents by Inventor Theodore E. Majewski

Theodore E. Majewski 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: 4079742
    Abstract: An improved process is provided for the manufacture of synthetic smoking materials. The process comprises the steps of:(1) Pyrolyzing a cellulosic material at a temperature of from about 150.degree. C to about 400.degree. C, and preferably from about 175.degree. C to about 275.degree. C, under conditions such that from about 8 to about 40% and preferably from about 10 to 25% by weight of the cellulosic material is removed, and(2) Thereafter subjecting the resulting pyrolyzed cellulosic material to extraction with a basic liquid, for example, liquid ammonia, amine or aqueous bases, preferably under conditions to swell the material, whereby from about 15 to about 40%, and preferably from about 20 to about 30%, of the weight of the pyrolyzed product is removed during the extraction.
    Type: Grant
    Filed: October 20, 1976
    Date of Patent: March 21, 1978
    Assignee: Philip Morris Incorporated
    Inventors: Norman B. Rainer, Theodore E. Majewski