Patents by Inventor Richard G. Weyers

Richard G. Weyers 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).

  • Methods and devices for providing prolonged drug therapy
    Patent number: 9029416
    Abstract: Methods and devices for maintaining a desired therapeutic drug effect over a prolonged therapy period are provided. In particular, oral dosage forms that release drug within the gastrointestinal tract at an ascending release rate over an extended time period are provided. The dosage forms may additionally comprise an immediate-release dose of drug.
    Type: Grant
    Filed: August 12, 2003
    Date of Patent: May 12, 2015
    Assignee: Alza Corporation
    Inventors: Andrew C. Lam, Padmaja Shivanand, Atul D. Ayer, Zahedeh Hatamkhany, Suneel K. Gupta, Diane R. Guinta, Carol A. Christopher, Samuel R. Saks, Lawrence G. Hamel, Jeri D. Wright, Richard G. Weyers
  • Methods and devices for providing prolonged drug therapy
    Patent number: 9000038
    Abstract: Methods and devices for maintaining a desired therapeutic drug effect over a prolonged therapy period are provided. In particular, oral dosage forms that release drug within the gastrointestinal tract at an ascending release rate over an extended time period are provided. The dosage forms may additionally comprise an immediate-release dose of drug.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: April 7, 2015
    Assignee: ALZA Corporation
    Inventors: Andrew C. Lam, Padmaja Shivanand, Atul D Ayer, Zahedeh Hatamkhany, Richard G Weyers, Suneel K. Gupta, Diane R Guinta, Carol A. Christopher, Samuel R. Saks, Lawrence G. Hamel, Jeri D. Wright
  • Methods and devices for providing prolonged drug therapy
    Patent number: 6930129
    Abstract: Methods and devices for maintaining a desired therapeutic drug effect over a prolonged therapy period are provided. In particular, oral dosage forms that release drug within the gastrointestinal tract at an ascending release rate over an extended time period are provided. The dosage forms may additionally comprise an immediate-release dose of drug.
    Type: Grant
    Filed: March 8, 2001
    Date of Patent: August 16, 2005
    Assignee: Alza Corporation
    Inventors: Andrew C. Lam, Padmaja Shivanand, Atul D. Ayer, Zahedeh Hatamkhany, Suneel K. Gupta, Diane R. Guinta, Carol A. Christopher, Samuel R. Saks, Lawrence G. Hamel, Jeri D. Wright, Richard G. Weyers
  • Methods and devices for providing prolonged drug therapy
    Patent number: 6919373
    Abstract: Methods and devices for maintaining a desired therapeutic drug effect over a prolonged therapy period are provided. In particular, oral dosage forms that release drug within the gastrointestinal tract at an ascending release rate over an extended time period are provided. The dosage forms may additionally comprise an immediate-release dose of drug.
    Type: Grant
    Filed: February 19, 1999
    Date of Patent: July 19, 2005
    Assignee: Alza Corporation
    Inventors: Andrew C. Lam, Padmaja Shivanand, Atul D. Ayer, Richard G. Weyers, Suneel K. Gupta, Diane R. Guinta, Carol A. Christopher, Samuel R. Saks, Lawrence G. Hamel, Jeri D. Wright, Zahedeh Hatamkhany
  • Methods and devices for providing prolonged drug therapy
    Publication number: 20010012847
    Abstract: Methods and devices for maintaining a desired therapeutic drug effect over a prolonged therapy period are provided. In particular, oral dosage forms that release drug within the gastrointestinal tract at an ascending release rate over an extended time period are provided. The dosage forms may additionally comprise an immediate-release dose of drug.
    Type: Application
    Filed: March 8, 2001
    Publication date: August 9, 2001
    Inventors: Andrew C. Lam, Padmaja Shivanand, Atul D. Ayer, Zahedeh Hatamkhany, Suneel K. Gupta, Diane R. Guinta, Carol A. Christopher, Samuel R. Saks, Lawrence G. Hamel, Jeri D. Wright, Richard G. Weyers
  • Nutritional support system
    Patent number: 6190351
    Abstract: A nutritional system is disclosed, for delivering a colorant dye to a nutritional fluid that flows through the nutritional system.
    Type: Grant
    Filed: June 9, 1999
    Date of Patent: February 20, 2001
    Assignee: ALZA Corporation
    Inventors: Richard G. Weyers, Atul D. Ayer, Brenda J. Pollock, Brian L. Barclay, Ernest S. Quan
  • Nutritional support system
    Patent number: 5925015
    Abstract: A nutritional system is disclosed, for delivering a colorant dye to a nutritional fluid that flows through the nutritional system.
    Type: Grant
    Filed: May 20, 1997
    Date of Patent: July 20, 1999
    Assignee: ALZA Corporation
    Inventors: Richard G. Weyers, Atul D. Ayer, Brenda J. Pollock, Brian L. Barclay, Ernest S. Quan