Patents by Inventor Joel E. Sutton, Jr.

Joel E. Sutton, Jr. 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: 5541231
    Abstract: This application discloses a method of inhibiting degradation of the antidepressant bupropion hydrochloride in a solid pharmaceutical formulation, so that the pharmaceutical formulation will maintain at least 80% of its initial bupropion potency after one year.
    Type: Grant
    Filed: August 25, 1994
    Date of Patent: July 30, 1996
    Assignee: Glaxo Wellcome Inc.
    Inventors: Michael D. Ruff, Sanvasi R. Kalidindi, Joel E. Sutton, Jr.
  • 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.
  • Patent number: 5358970
    Abstract: This application discloses a method of inhibiting degradation of the antidepressant bupropion hydrochloride in a solid pharmaceutical formulation, so that the pharmaceutical formulation will maintain at least 80% of its initial bupropion potency after one year.
    Type: Grant
    Filed: August 12, 1993
    Date of Patent: October 25, 1994
    Assignee: Burroughs Wellcome Co.
    Inventors: Michael D. Ruff, Sanyasi R. Kalidindi, Joel E. Sutton, Jr.
  • Patent number: 5098715
    Abstract: The invention comprises a flavored thin film coating on solid oral dosage pharmaceutical tablets containing unpleasant tasting ingredients such as triprolidine hydrochloride and pseudoephedrine hydrochloride. The flavored coating of the invention is comprised of a film-forming substance such as a hydroxypropyl methylcellulose and a polyethylene glycol, a sweetening agent and a flavoring agent. The method of the invention comprises aqueous spray-coating of the flavored sweetened coating onto the pharmaceutical tablets.
    Type: Grant
    Filed: December 20, 1990
    Date of Patent: March 24, 1992
    Assignee: Burroughs Wellcome Co.
    Inventors: Terrance T. McCabe, Robert A. Stagner, Joel E. Sutton, Jr.