James A. Hartwell 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).
Abstract: A propellant formulation includes energetic particulate solids dispersed in a binder system of high molecular weight 1,2 syndiotactic butadiene and a plasticizer. The propellant is prepared by mixing above the melting temperature of the butadiene and without the use of solvents. The propellant is castable without curing.
September 2, 1986
Date of Patent:
December 26, 1989
Morton Thiokol, Inc.
Rodney L. Willer, James A. Hartwell, Robert G. Gleeson