Patents by Inventor Greg M. Beck

Greg M. Beck 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 release formulation for pharmaceutical compounds
    Patent number: 5320853
    Abstract: Controlled release pharmaceutical beads are provided having a multi-layered core and a multi-layered periphery. The core contains at least (A) an inner portion having a suitable organic acid and (B) a sustainably-acid-releasing coating thereover. The periphery contains at least (A) an inner portion having a mixture of at least (i) a pharmaceutical compound and (ii) a surface-active agent, and (B) a sustainably-drug-releasing exterior coating.
    Type: Grant
    Filed: December 22, 1992
    Date of Patent: June 14, 1994
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Kazuo Noda, Yoshiyuki Hirakawa, Hiroyuki Yoshino, David D. MacLaren, Paul F. Skultety, John R. Lefler, Greg M. Beck