Patents by Inventor Juho Hyyppa

Juho Hyyppa 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).

  • High energy composition
    Patent number: 4642147
    Abstract: High energy composition which is meant for propellants, pyrotechnical and technical compositions, explosives or corresponding items, and production method.
    Type: Grant
    Filed: June 3, 1985
    Date of Patent: February 10, 1987
    Assignee: Raikka Oy
    Inventor: Juho Hyyppa
  • LiClO.sub.4 Containing propellant compositions
    Patent number: 4560425
    Abstract: A curable energetic composition, comprising a hydroxyalkyl ester of acrylic or methacrylic acid, an organic polyol and lithium perchlorate, and optionally additional substances, is useful as a propellant.
    Type: Grant
    Filed: October 22, 1982
    Date of Patent: December 24, 1985
    Assignees: Hi-Shear Corporation, Roikka Oy
    Inventors: Donald E. Olander, Juho Hyyppa