Patents Assigned to Penwest Pharmaceuticals Company
  • Sustained release formulations of oxymorphone
    Publication number: 20080050431
    Abstract: Sustained release formulations of oxymorphone or pharmaceutically acceptable salts thereof; methods for making the sustained release formulations of oxymorphone or pharmaceutically acceptable salts thereof; and methods for using the sustained release formulations of oxymorphone or pharmaceutically acceptable salts thereof to treat patients suffering from pain are provided.
    Type: Application
    Filed: August 13, 2007
    Publication date: February 28, 2008
    Applicant: Penwest Pharmaceuticals Company.
    Inventors: Anand Baichwal, Huai-Hung Kao, Troy McCall
  • Sustained release formulations of oxymorphone
    Patent number: 7276250
    Abstract: Sustained release formulations of oxymorphone or pharmaceutically acceptable salts thereof; methods for making the sustained release formulations of oxymorphone or pharmaceutically acceptable salts thereof; and methods for using the sustained release formulations of oxymorphone or pharmaceutically acceptable salts thereof to treat patients suffering from pain are provided.
    Type: Grant
    Filed: July 3, 2002
    Date of Patent: October 2, 2007
    Assignee: Penwest Pharmaceuticals Company
    Inventors: Anand R. Baichwal, Huai-Hung Kao, Troy W. McCall
  • Sustained release formulations of metformin
    Patent number: 7214387
    Abstract: The invention provides sustained release formulations of metformin or a pharmaceutically acceptable salt thereof, and methods of treating diabetes by administering to a patient a therapeutically effective amount of a sustained release formulation of metformin or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: July 30, 2003
    Date of Patent: May 8, 2007
    Assignee: Penwest Pharmaceuticals Company
    Inventors: Pradeep P. Sanghvi, Sara Ketsela
  • Controlled release insufflation carrier for medicaments
    Patent number: 7172766
    Abstract: Controlled release powder insufflation formulations are disclosed. The powder formulation includes cohesive composites of particles containing a medicament and a controlled release carrier which preferably includes one or more polysaccharide gums of natural origin.
    Type: Grant
    Filed: January 14, 2002
    Date of Patent: February 6, 2007
    Assignee: Penwest Pharmaceuticals Company
    Inventors: Anand Baichwal, John Staniforth
  • Sustained release formulations of metformin
    Publication number: 20040109891
    Abstract: The invention provides sustained release formulations of metformin or a pharmaceutically acceptable salt thereof, and methods of treating diabetes by administering to a patient a therapeutically effective amount of a sustained release formulation of metformin or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: July 30, 2003
    Publication date: June 10, 2004
    Applicant: Penwest Pharmaceuticals Company
    Inventors: Pradeep P. Sanghvi, Sara Ketsela
  • Sustained release formulations of oxymorphone
    Publication number: 20030129230
    Abstract: Sustained release formulations of oxymorphone or pharmaceutically acceptable salts thereof; methods for making the sustained release formulations of oxymorphone or pharmaceutically acceptable salts thereof; and methods for using the sustained release formulations of oxymorphone or pharmaceutically acceptable salts thereof to treat patients suffering from pain are provided.
    Type: Application
    Filed: July 3, 2002
    Publication date: July 10, 2003
    Applicant: Penwest Pharmaceuticals Company
    Inventors: Anand R. Baichwal, Huai-Hung Kao, Troy W. McCall
  • Methods of making sustained release formulations of oxymorphone
    Publication number: 20030129234
    Abstract: Sustained release formulations of oxymorphone or pharmaceutically acceptable salts thereof; methods for making the sustained release formulations of oxymorphone or pharmaceutically acceptable salts thereof; and methods for using the sustained release formulations of oxymorphone or pharmaceutically acceptable salts thereof to treat patients suffering from pain are provided.
    Type: Application
    Filed: July 3, 2002
    Publication date: July 10, 2003
    Applicant: Penwest Pharmaceuticals Company
    Inventors: Anand R. Baichwal, Huai-Hung Kao, Troy W. McCall