Patents by Inventor Phyllis I. Gardner

Phyllis I. Gardner 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).

  • Prolonged release active agent dosage form adapted for gastric retention
    Patent number: 6548083
    Abstract: The present invention is directed to an active agent dosage form which is adapted for retention in the stomach and useful for the prolonged delivery of an active agent formulation to a fluid environment of use. The active agent dosage form is a polymer matrix that swells upon contact with the fluids of the stomach. A portion of the polymer matrix is surrounded by a band of insoluble material that prevents the covered portion of the polymer matrix from swelling and provides a segment of the dosage form that is of sufficient rigidity to withstand the contractions of the stomach and delay expulsion of the dosage form from the stomach until substantially all of the active agent has been dispensed.
    Type: Grant
    Filed: July 13, 2000
    Date of Patent: April 15, 2003
    Assignee: Alza Corporation
    Inventors: Patrick S.-L. Wong, Liang-Chang Dong, David E. Edgren, Felix Theeuwes, Phyllis I. Gardner, Francisco Jao, Jason J. Wan
  • Oral delivery of discrete units
    Patent number: 6333050
    Abstract: The present invention is directed to an oral active agent delivery system and method for delivering discrete units of an active agent formulation to a patient. An active agent formulation chamber containing the active agent formulation and having a fluid passing active agent formulation retainer is placed at a first end into a fluid and at a second end into a patient's mouth. The active agent is delivered when the patient sips on the second end of the chamber.
    Type: Grant
    Filed: January 19, 2001
    Date of Patent: December 25, 2001
    Assignee: Alza Corporation
    Inventors: Patrick S.-L. Wong, Howard B. Rosen, Nathan Roth, Phyllis I. Gardner
  • Oral delivery of discrete units
    Publication number: 20010002262
    Abstract: The present invention is directed to an oral active agent delivery system and method for delivering discrete units of an active agent formulation to a patient. An active agent formulation chamber containing the active agent formulation and having a fluid passing active agent formulation retainer is placed at a first end into a fluid and at a second end into a patient's mouth. The active agent is delivered when the patient sips on the second end of the chamber.
    Type: Application
    Filed: January 19, 2001
    Publication date: May 31, 2001
    Inventors: Patrick S. L. Wong, Howard B. Rosen, Nathan Roth, Phyllis I. Gardner
  • Oral delivery of discrete units
    Patent number: 6210713
    Abstract: The present invention is an oral active agent delivery system and method for delivering discrete units of an active agent formulation to a patient. An active agent formulation chamber containing the active agent formulation and having a fluid passing active agent formulation retainer is placed at a first end into a fluid and at a second end into a patient's mouth. The active agent is delivered when the patient sips on the second end of the chamber.
    Type: Grant
    Filed: February 25, 2000
    Date of Patent: April 3, 2001
    Assignee: Alza Corporation
    Inventors: Patrick S.-L. Wong, Howard B. Rosen, Nathan Roth, Phyllis I. Gardner
  • Prolonged release active agent dosage form adapted for gastric retention
    Patent number: 6120803
    Abstract: The present invention is directed to an active agent dosage form which is adapted for retention in the stomach and useful for the prolonged delivery of an active agent formulation to a fluid environment of use. The active agent dosage form is a polymer matrix that swells upon contact with the fluids of the stomach. A portion of the polymer matrix is surrounded by a band of insoluble material that prevents the covered portion of the polymer matrix from swelling and provides a segment of the dosage form that is of sufficient rigidity to withstand the contractions of the stomach and delay expulsion of the dosage form from the stomach until substantially all of the active agent has been dispensed.
    Type: Grant
    Filed: August 10, 1998
    Date of Patent: September 19, 2000
    Assignee: ALZA Corporation
    Inventors: Patrick S. L. Wong, Liang-Chang Dong, David E. Edgren, Felix Theeuwes, Phyllis I. Gardner, Francisco Jao, Jason J. Wan
  • Oral delivery of discrete units
    Patent number: 6106845
    Abstract: The present invention is directed to an oral active agent delivery system and method for delivering discrete units of an active agent formulation to a patient. An active agent formulation chamber containing the active agent formulation and having a fluid passing active agent formulation retainer is placed at a first end into a fluid and at a second end into a patient's mouth. The active agent is delivered when the patient sips on the second end of the chamber.
    Type: Grant
    Filed: April 27, 1999
    Date of Patent: August 22, 2000
    Assignee: ALZA Corporation
    Inventors: Patrick S. -L. Wong, Howard B. Rosen, Nathan Roth, Phyllis I. Gardner
  • Oral delivery of discrete units
    Patent number: 5989590
    Abstract: The present invention is directed to an oral active agent delivery system and method for delivering discrete units of an active agent formulation to a patient. An active agent formulation chamber containing the active agent formulation and having a fluid passing active agent formulation retainer is placed at one end into a fluid and at a second end into a patient's mouth. The active agent is delivered when the patient sips on the end of the chamber.
    Type: Grant
    Filed: June 19, 1998
    Date of Patent: November 23, 1999
    Assignee: Alza Corporation
    Inventors: Patrick S.-L. Wong, Howard B. Rosen, Nathan Roth, Phyllis I. Gardner
  • Oral delivery of discrete units
    Patent number: 5780058
    Abstract: The present invention is directed to an oral active agent delivery system and method for delivering discrete units of an active agent formulation to a patient. An active agent formulation chamber (10) containing the active agent formulation and having a fluid passing active agent formulation retainer (14) is placed at one end (16) into a fluid and at a second end (18) into a patient's mouth. The active agent is delivered when the patient sips on the end of the chamber.
    Type: Grant
    Filed: July 19, 1996
    Date of Patent: July 14, 1998
    Assignee: ALZA Corporation
    Inventors: Patrick S.-L. Wong, Howard B. Rosen, Nathan Roth, Phyllis I. Gardner