Patents by Inventor Frank E. Bowen

Frank E. Bowen 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).

  • Orally administrable solid ribavirin dosage forms and process for making them
    Patent number: 6337090
    Abstract: An orally administrable solid dosage form containing a compacted ribavirin composition having an advantageously high tap density of at least 0.6 g/mL as well as surprisingly rapid disintegration and dissolution rates and wherein the ribavirin is substantially free of polymorphic forms of ribavirin and a process for making such solid dosage forms are disclosed.
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: January 8, 2002
    Assignee: Schering Corporation
    Inventors: Stephen M. Liebowitz, Elliot I. Stupak, Imtiaz A. Chaudry, Winston A. Vadino, Frank E. Bowen
  • Orally administrable solid dosage form
    Patent number: 6335032
    Abstract: An orally administrable solid dosage form containing a compacted ribavirin composition having an advantageously high tap density of at least 0.6 g/mL as well as surprisingly rapid disintegration and dissolution rates and wherein the ribavirin is substantially free of polymorphic forms of ribavirin is disclosed.
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: January 1, 2002
    Assignee: Schering Corporation
    Inventors: Stephen M. Liebowitz, Elliot I. Stupak, Imtiaz A. Chaudry, Winston A. Vadino, Frank E. Bowen
  • Orally administrable solid dosage form
    Patent number: 6051252
    Abstract: An orally administrable solid dosage form containing a compacted ribavirin composition having an advantageously high tap density of at least 0.6 g/mL as well as surprisingly rapid disintegration and dissolution rates and wherein the ribavirin is subsantially free of polymorphic forms of ribavirin is disclosed.
    Type: Grant
    Filed: May 7, 1999
    Date of Patent: April 18, 2000
    Assignee: Schering Corporation
    Inventors: Stephen M. Liebowitz, Elliot I. Stupak, Imtiaz A. Chaudry, Winston A. Vadino, Frank E. Bowen
  • Process of making solid ribavirin dosage forms
    Patent number: 5916594
    Abstract: A process of making an orally administrable solid dosage form containing a compacted ribavirin composition having an advantageously high tap density of at least 0.6 g/mL as well as surprisingly rapid disintegration and dissolution rates and wherein the ribavirin is substantially free of polymorphic forms of ribavirin as determined is disclosed.
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: June 29, 1999
    Assignee: Schering Corporation
    Inventors: Stephen M. Liebowitz, Elliot I. Stupak, Imtiaz A. Chaudry, Winston A. Vadino, Frank E. Bowen
  • Orally administrable solid dosage form
    Patent number: 5914128
    Abstract: An orally administrable solid dosage form containing a compacted ribavirin composition having an advantageously high tap density of at least 0.6 g/mL as well as surprisingly rapid disintegration and dissolution rates and wherein the ribavirin is substantially free of polymorphic forms of ribavirin is disclosed.
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: June 22, 1999
    Assignee: Schering Corporation
    Inventors: Stephen M. Liebowitz, Elliot I. Stupak, Imtiaz A. Chaudry, Winston A. Vadino, Frank E. Bowen