Patents by Inventor Ivan L. Dewitt

Ivan L. Dewitt 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).

  • Process for the manufacture of oxalyl dihydrazide and the use of same as a coolant in gas generating compositions
    Patent number: 3960946
    Abstract: A curable homogeneous gas-generating composition composed essentially of oxalyl dihydrazide coolant combined with: (a) a perchlorate oxidizer selected from the group consisting of ammonium perchlorate, the alkali metal perchlorates, and the alkali earth metal perchlorates, (b) a combustible fuel binder, and (c) propellant adjuvants.A process for the preparation of oxalyl dihydrazide is also disclosed.The gas-generating compositions of the present invention have greatly improved combustion characteristics and exhibit reduced flame temperatures.
    Type: Grant
    Filed: September 10, 1974
    Date of Patent: June 1, 1976
    Assignee: Thiokol Corporation
    Inventors: Ivan L. Dewitt, Eugene Pacanowsky