Patents by Inventor Pamela S. Larsen

Pamela S. Larsen 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).

  • Biologically active composition comprising ethylcellulose
    Patent number: 9198865
    Abstract: A biologically active composition comprising an ethylcellulose, a polyethylene oxide and a biologically active ingredient, wherein the amount of ethylcellulose is at least about (15) percent, based on the total weight of the composition, can be used in melt-extrusion processes to produce pharmaceutical dosage forms.
    Type: Grant
    Filed: November 17, 2006
    Date of Patent: December 1, 2015
    Inventors: Mark J. Hall, Karen A. Coppens, Pamela S. Larsen, Shawn A. Mitchell, Michael D. Read, Uma Shrestha
  • BIOLOGICALLY ACTIVE COMPOSITION COMPRISING ETHYLCELLULOSE
    Publication number: 20090130058
    Abstract: A biologically active composition comprising an ethylcellulose, a polyethylene oxide and a biologically active ingredient, wherein the amount of ethylcellulose is at least about (15) percent, based on the total weight of the composition, can be used in melt-extrusion processes to produce pharmaceutical dosage forms.
    Type: Application
    Filed: November 17, 2006
    Publication date: May 21, 2009
    Inventors: Mark J. Hall, Karen A. Coppens, Pamela S. Larsen, Shawn A. Mitchell, Michael D. Read, Uma Shrestha