Patents by Inventor Rodney Willer

Rodney Willer 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).

  • Polyglycidyl nitrate plasticizers
    Patent number: 5380777
    Abstract: This invention is first, a difunctional poly(glycidyl nitrate) oligomer (PGN oligomer), second, nitrated PGN oligomer and third, the use of the nitrated PGN oligomer as a plasticizer, particularly as a plasticizer for binders used in and/or as energetic formulations. Examples of energetic formulations are propellants, pyrotechnics and explosives and other such compositions. More particularly, this invention is a difunctional poly(glycidyl nitrate) oligomer of the formula ##STR1## where n is 0 to 3, having a M.sub.n of from about 304 to about 994. Another embodiment is the nitrated difunctional poly(glycidyl nitrate) oligomer of the formula ##STR2## where n is 0 to 3, having a M.sub.n of from about 394 to about 1084.
    Type: Grant
    Filed: March 28, 1994
    Date of Patent: January 10, 1995
    Assignee: Thiokol Corporation
    Inventors: Rodney Willer, Alfred G. Stern, Robert S. Day