Patents by Inventor Kyung E. Kim

Kyung E. Kim 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).

  • 2,2,2-trinitroethyl 2-nitroxyethyl ether and a method of preparation
    Patent number: 4745208
    Abstract: 2,2,2-trinitroethyl 2-nitroxyethyl ether (TNEN), C(NO.sub.2).sub.3 CH.sub.2 CH.sub.2 CH.sub.2 ONO.sub.2, which is prepared by the following reaction sequence:C(NO.sub.2).sub.3.sup.- K.sup.+ +ClCH.sub.2 OCH.sub.2 CH.sub.2 BR.fwdarw.C(NO.sub.2).sub.3 CH.sub.2 OCH.sub.2 CH.sub.2 Br C(NO.sub.2).sub.3 CH.sub.2 OCH.sub.2 CH.sub.2 Br+AgNO.sub.3 .fwdarw.C(NO.sub.2).sub.3 CH.sub.2 OCH.sub.2 CH.sub.2 ONO.sub.2.2,2,2-trinitroethyl 2-nitroxyethyl ether is useful an an energetic plasticizer, for example in LOVA gun propellants.
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: May 17, 1988
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Horst G. Adolph, Kyung E. Kim
  • Energetic polynitro formal plasticizers
    Patent number: H350
    Abstract: An energetic plasticizer which is a mixture of bis(2,2,2-trinitroethyl)fol, bis(2,2-dinitropropyl)formal, and a new compound 2,2-dinitropropyl 2,2,2-trinitroethyl formal.
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: October 6, 1987
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Horst D. Adolph, Kyung E. Kim
  • 4,4,10,10-tetranitro-6,8-dioxatridecane-1,13-diol polyformal and method of preparation
    Patent number: H351
    Abstract: 4,4,10,10-tetranitro-6,8-dioxatridecane-1,13-diol polyformal, HO(CH.sub.2ub.3 C(NO.sub.2).sub.2 CH.sub.2 OCH.sub.2 OCH.sub.2 C(NO.sub.2).sub.2 (CH.sub.2).sub.3 O[CH.sub.2 O(CH.sub.2).sub.3 C(NO.sub.2).sub.2 CH.sub.2 OCH.sub.2 OCH.sub.2 C(NO.sub.2).sub.2 (CH.sub.2).sub.3 O].sub.n H, which has high energy, high thermal stability, and which is useful as a prepolymer for plastic-bonded explosive compositions.
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: October 6, 1987
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Kyung E. Kim, Horst G. Adolph