Patents by Inventor Mark H. Lukhard

Mark H. Lukhard 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).

  • Stabilization of pitch fiber
    Patent number: 4657753
    Abstract: Oxidative stabilization of pitch fiber is accelerated in an oxidizing atmosphere wherein the oxidizing gas is at a pressure of at least about two atmospheres.
    Type: Grant
    Filed: April 29, 1985
    Date of Patent: April 14, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: John D. Bolt, Mark H. Lukhard