Patents by Inventor David R. Swanson

David R. Swanson 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).

  • Dosage forms comprising polymers comprising different molecular weights
    Patent number: 5326571
    Abstract: A dosage form is disclosed comprising a wall surrounding a compartment, which comprises a first composition comprising a carboxymethylcellulose and a second composition comprising a higher molecular weight carboxymethylcellulose. The first composition comprises a dosage amount of drug that delivers from the dosage form at a controlled rate over time.
    Type: Grant
    Filed: September 4, 1992
    Date of Patent: July 5, 1994
    Assignee: ALZA Corporation
    Inventors: Jeri D. Wright, Brian L. Barclay, David R. Swanson
  • Dosage forms comprising polymers comprising different molecular weights
    Patent number: 5208037
    Abstract: A dosage form is disclosed comprising a wall surrounding a compartment, which comprises a first composition comprising a carboxymethylcellulose and a second composition comprising a higher molecular weigh carboxymethylcellulose. The first composition comprises a dosage amount of drug that delivers from the dosage form at a controlled rate over time.
    Type: Grant
    Filed: April 22, 1991
    Date of Patent: May 4, 1993
    Assignee: ALZA Corporation
    Inventors: Jeri D. Wright, Brian L. Barclay, David R. Swanson
  • Nicardipine therapy
    Patent number: 5186942
    Abstract: A dosage form is disclosed comprising a member selected from the group consisting of nicardipine and its pharmaceutically acceptable salts for administering to a patient in need of cardio-vascular therapy.
    Type: Grant
    Filed: November 18, 1991
    Date of Patent: February 16, 1993
    Assignee: ALZA Corporation
    Inventors: Joseph C. Deters, David R. Swanson, Stephen C. DeRosa
  • Dosage form for administering calcium antagonist nicardipine
    Patent number: 5096716
    Abstract: A dosage form is disclosed comprising a member selected from the group consisting of nicardipine and its pharmaceutically acceptable salts for administering to a patient in need of cardiovascular therapy.
    Type: Grant
    Filed: May 18, 1990
    Date of Patent: March 17, 1992
    Assignee: ALZA Corporation
    Inventors: Joseph C. Deters, David R. Swanson, Stephen C. DeRosa
  • Dosage form for treating cardiovascular diseases
    Patent number: 5030456
    Abstract: An osmotic device is disclosed comprising a first composition, and a second composition with the beneficial drug isradipine in the first composition.
    Type: Grant
    Filed: April 30, 1990
    Date of Patent: July 9, 1991
    Assignee: ALZA Corporation
    Inventors: Atul D. Ayer, David R. Swanson, Anthony L. Kuczynski
  • Dosage form for treating cardiovascular diseases
    Patent number: 4950486
    Abstract: An osmotic device is disclosed comprising a first composition, and a second composition with the beneficial drug isradipine in the first composition.
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: August 21, 1990
    Assignee: Alza Corporation
    Inventors: Atul D. Ayer, David R. Swanson, Anthony L. Kuczynski
  • Dosage form for treating cardiovascular diseases
    Patent number: 4946687
    Abstract: An osmotic device is disclosed comprising a first composition, and a second composition with the beneficial drug isradipine in the first composition.
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: August 7, 1990
    Assignee: Alza Corporation
    Inventors: Atul D. Ayer, David R. Swanson, Anthony L. Kuczynski
  • Dosage form for dispensing drug for human therapy
    Patent number: 4837111
    Abstract: An osmotic dosage system is disclosed for delivering the therapeutically beneficial drug doxazosin to an environment of use over time.
    Type: Grant
    Filed: March 21, 1988
    Date of Patent: June 6, 1989
    Assignee: ALZA Corporation
    Inventors: Joseph C. Deters, Patrick S. L. Wong, Brian L. Barclay, Felix Theeuwes, David R. Swanson
  • Dosage form for treating cardiovascular diseases comprising isradipine
    Patent number: 4816263
    Abstract: An osmotic device is disclosed comprising a first composition, and a second composition with the beneficial drug isradipine in the first composition.
    Type: Grant
    Filed: October 2, 1987
    Date of Patent: March 28, 1989
    Assignee: ALZA Corporation
    Inventors: Atul D. Ayer, David R. Swanson, Anthony L. Kuczynski