Patents by Inventor Thomas R. Henson

Thomas R. Henson 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).

  • Preparation of organic isocyanates
    Patent number: 4294774
    Abstract: A process for the preparation of an organic isocyanate by preparing a heated solution of an alkyl carbamate in a N,N-dialkyl aniline compound solvent which is catalytic with respect to the rate of decomposition of the carbamate but unreactive with respect to the organic isocyanate decomposition product.
    Type: Grant
    Filed: November 14, 1980
    Date of Patent: October 13, 1981
    Assignee: The Dow Chemical Company
    Inventors: Thomas R. Henson, John F. Timberlake