Patents by Inventor Bruce D. Karstedt

Bruce D. Karstedt 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).

  • Smoking compositions
    Patent number: 4319591
    Abstract: Smoking compositions having improved taste and odor are prepared by incorporation into the composition of minor amounts of proteins and protein hydrolysates, at least 80% of the weight of which is derived from aliphatic and heterocyclic amino acids.
    Type: Grant
    Filed: January 23, 1978
    Date of Patent: March 16, 1982
    Assignee: Celanese Corporation
    Inventors: Charles H. Keith, Bruce D. Karstedt