Patents by Inventor Jennie Sue G. Ludwig

Jennie Sue G. Ludwig 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).

  • Controlled sustained release tablets containing bupropion
    Patent number: 5427798
    Abstract: A controlled sustained release tablet having at least one year shelf life and containing bupropion hydrochloride, hydroxypropyl methylcellulose and cysteine hydrochloride or glycine hydrochloride with the tablet having a surface area to volume ratio to effectively control bupropion hydrochloride release in the body.
    Type: Grant
    Filed: August 12, 1993
    Date of Patent: June 27, 1995
    Assignee: Burroughs Wellcome Co.
    Inventors: Jennie Sue G. Ludwig, William L. Bass, Jr., Joel E. Sutton, Jr.