Patents by Inventor Ralph E. Miegel

Ralph E. Miegel 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).

  • Patent number: 4042619
    Abstract: This invention relates to hydroxyalkyl esters of carboxy-terminated polybutadienes and to cetain high-energy derivatives thereof which are useful as binders in solid propellants, sheet explosives, etc.
    Type: Grant
    Filed: May 3, 1965
    Date of Patent: August 16, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Ralph E. Miegel