Patents by Inventor Timothy Grinstead

Timothy Grinstead 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).

  • PREPARATION OF CONTROLLED RELEASE SKELETAL MUSCLE RELAXANT DOSAGE FORMS
    Publication number: 20120196028
    Abstract: The present invention is directed to a method of preparing an extended release pharmaceutical composition comprising cyclobenzaprine, comprising coating inert particles with a cyclobenzaprine-containing a drug layering composition to form IR beads, then coating the IR beads with an extended-release coating to form ER beads.
    Type: Application
    Filed: February 13, 2012
    Publication date: August 2, 2012
    Applicant: Aptalis Pharmatech, Inc.
    Inventors: Gopi M. VENKATESH, James M. Clevenger, Timothy Grinstead
  • Preparation of controlled release skeletal muscle relaxant dosage forms
    Patent number: 8137734
    Abstract: The present invention is directed to a method of preparing an extended release pharmaceutical composition comprising cyclobenzaprine, comprising coating inert particles with a cyclobenzaprine-containing a drug layering composition to form IR beads, then coating the IR beads with an extended-release coating to form ER beads.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: March 20, 2012
    Assignee: Aptalis Pharmatech, Inc.
    Inventors: Gopi M. Venkatesh, James M. Clevenger, Timothy Grinstead
  • PREPARATION OF CONTROLLED RELEASE SKELETAL MUSCLE RELAXANT DOSAGE FORMS
    Publication number: 20100098832
    Abstract: The present invention is directed to a method of preparing an extended release pharmaceutical composition comprising cyclobenzaprine, comprising coating inert particles with a cyclobenzaprine-containing a drug layering composition to form IR beads, then coating the IR beads with an extended-release coating to form ER beads.
    Type: Application
    Filed: June 18, 2009
    Publication date: April 22, 2010
    Inventors: Gopi M. VENKATESH, James M. Clevenger, Timothy Grinstead
  • Preparation of controlled release skeletal muscle relaxant dosage forms
    Publication number: 20090148532
    Abstract: The present invention is directed to a method of preparing an extended release pharmaceutical composition comprising cyclobenzaprine, comprising coating inert particles with a cyclobenzaprine-containing the drug layering composition and a seal coating composition to form IR beads, then coating the IR beads with an extended release coating to form ER beads.
    Type: Application
    Filed: December 8, 2008
    Publication date: June 11, 2009
    Inventors: Gopi M. Venkatesh, James M. Clevenger, Timothy Grinstead