Patents by Inventor Gregory Du Browny

Gregory Du Browny 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).

  • Synergistic filler composition
    Patent number: 6524617
    Abstract: A synergistic filler composition for making pharmaceutical tablets of sufficient tablet hardness at low compression force, and low friability, to preclude damage to the tablet upon further processing, and without requiring a substantial increase in the size of the tablet, comprising (a) a PVP-VA copolymer and (b) a microcrystalline cellulose.
    Type: Grant
    Filed: July 25, 2001
    Date of Patent: February 25, 2003
    Assignee: ISP Investments Inc.
    Inventors: Antonio Moroni, Nadhamuni G. Nerella, Gregory Du Browny
  • SYNERGISTIC FILLER COMPOSITION
    Publication number: 20030031708
    Abstract: A synergistic filler composition for making pharmaceutical tablets of sufficient tablet hardness at low compression force, and low friability, to preclude damage to the tablet upon further processing, and without requiring a substantial increase in the size of the tablet, comprising (a) a PVP-VA copolymer and (b) a microcrystalline cellulose.
    Type: Application
    Filed: July 25, 2001
    Publication date: February 13, 2003
    Applicant: ISP INVESTMENTS INC.
    Inventors: Antonio Moroni, Nadhamuni G. Nerella, Gregory Du Browny
  • Controlled-release, drug-delivery tableted composition including a complex between poly(maleic diacid-alkyl vinyl ether) and polyvinylpyrrolidone
    Patent number: 6129931
    Abstract: A pH-dependent, controlled-release, drug delivery composition is described herein which includes:(a) a complex between poly(maleic diacid-alkyl vinyl ether) and polyvinylpyrrolidone, or their equivalents, and(b) an effective amount of a pharmaceutical medicament.
    Type: Grant
    Filed: September 3, 1998
    Date of Patent: October 10, 2000
    Assignee: ISP Investments Inc.
    Inventors: Nadhamuni G. Nerella, Herbert W. Ulmer, Sibu Chakrabarti, Gregory Du Browny