Patents by Inventor Stephanie Louise Kwolek

Stephanie Louise Kwolek 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).

  • Process for preparing poly(1,4-benzamide) in cyclic sulfone media
    Patent number: 3951914
    Abstract: This invention relates to novel processes for the preparation of poly(1,4-benzamide) and copolymers thereof containing at least about 80 mol % of ##SPC1##Units in cyclic sulfone media.
    Type: Grant
    Filed: July 30, 1974
    Date of Patent: April 20, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Stephanie Louise Kwolek