Patents by Inventor James Kay

James Kay 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).

  • Maintaining plasticizer temperature in tobacco filter rod formation, and apparatus therefor
    Patent number: 4019942
    Abstract: The temperature of the plasticizer material which is applied to a tow band of filter material in a cigarette rod forming operation is maintained at substantially the ambient temperature of the environment in which the forming operation is being carried out thereby to provide substantially constant viscosity of the plasticizer, the temperature being maintained by circulating a cooling fluid through the plasticizer source to maintain it at a temperature of about 70.degree. F. to about 80.degree. F. Apparatus for maintaining the source temperature in the prescribed range also is disclosed.
    Type: Grant
    Filed: March 12, 1975
    Date of Patent: April 26, 1977
    Assignee: Philip Morris Incorporated
    Inventor: James A. Kay, Jr.