Patents by Inventor David Emil Edgren

David Emil Edgren 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).

  • ANTIDEPRESSANT DOSAGE FORM
    Publication number: 20120070496
    Abstract: A dosage form having sustained-release or controlled-release properties for delivering 1-[2-(dimethylamino)-1-(4-methoxyphenyl)ethyl]-cyclohexanol from the dosage form over an extended period of time in a therapeutically responsive dose to produce antidepressant therapy.
    Type: Application
    Filed: November 23, 2011
    Publication date: March 22, 2012
    Applicant: Alza Corporation
    Inventors: David Emil Edgren, Gurdish Kaur Bhatti, Zahedeh Hatamkhani, Patrick S.-L. Wong
  • Antidepressant dosage form
    Patent number: 8084059
    Abstract: The invention pertains to a dosage form 10 and to administering an antidepressant medicament 16 for an extended period of time in a rate-known dose.
    Type: Grant
    Filed: September 15, 2006
    Date of Patent: December 27, 2011
    Assignee: ALZA Corporation
    Inventors: David Emil Edgren, Gurdish Kaur Bhatti, Zahedeh Hatamkhani, Patrick S. L. Wong
  • ANTIDEPRESSANT DOSAGE FORM
    Publication number: 20100260810
    Abstract: The invention pertains to a dosage form 10 and to administering an antidepressant medicament 16 for an extended period of time in a rate-known dose.
    Type: Application
    Filed: June 22, 2010
    Publication date: October 14, 2010
    Inventors: David Emil Edgren, Gurdish Kaur Bhatti, Zahedeh Hatamkhani, Patrick S.-L. Wong
  • Antidepressant dosage form
    Publication number: 20040092601
    Abstract: The invention pertains to a dosage form 10 and to administering an antidepressant medicament 16 for an extended period of time in a rate-known dose.
    Type: Application
    Filed: October 28, 2003
    Publication date: May 13, 2004
    Inventors: David Emil Edgren, Gurdish Kaur Bhatti, Zahedeh Hatamkhani, Patrick S.L. Wong
  • Antidepressant dosage form
    Publication number: 20040086570
    Abstract: The invention pertains to a dosage form 10 and to administering an antidepressant medicament 16 for an extended period of time in a rate-known dose.
    Type: Application
    Filed: October 28, 2003
    Publication date: May 6, 2004
    Inventors: David Emil Edgren, Gurdish Kaur Bhatti, Zahedeh Hatamkhani, Patrick S.L. Wong
  • Dosage form for time-varying patterns of drug delivery
    Publication number: 20030125714
    Abstract: The present invention provides a multi-release oral drug delivery system that initiates drug release following an initial drug-free release interval, after administration to a subject, and a second drug-free release period before release of another dose of drug. The system has (1) inner compartments enclosed within a semipermeable membrane, and (2) a drug coating on the exterior of the semipermeable membrane surrounded by a microporous membrane, which microporous membrane is permeable to fluid and drug. The drug coating is released after the initial drug-free release interval. An inner compartment drug is released after a second drug-free release interval provided by a drug-free inner compartment.
    Type: Application
    Filed: December 18, 2002
    Publication date: July 3, 2003
    Inventors: David Emil Edgren, Patrick S.-L. Wong, Shu Li
  • Method of administering antidepressant dosage form
    Patent number: 6440457
    Abstract: The invention pertains to a dosage form 10 and to administering an antidepressant medicament 16 for an extended period of time in a rate-known dose.
    Type: Grant
    Filed: May 27, 1993
    Date of Patent: August 27, 2002
    Assignee: Alza Corporation
    Inventors: David Emil Edgren, Gurdish Kaur Bhatti, Zahedeh Hatamkhani, Patrick S. L. Wong
  • Banded prolonged release active agent dosage form
    Patent number: 6316028
    Abstract: The present invention is directed to an active agent dosage that is useful for the prolonged delivery of an active agent formulation to fluid environment of use. The active agent dosage form is a matrix that has an insoluble material circumscribing a portion of the surface of the matrix. The invention is also directed to a method of making the active agent dosage form.
    Type: Grant
    Filed: August 31, 2000
    Date of Patent: November 13, 2001
    Inventors: Patrick S.-L. Wong, David Emil Edgren, Liang C. Dong, Vincent Joseph Ferrari
  • Antiparkinson dosage form
    Patent number: 6217905
    Abstract: A dosage form is disclosed comprising an anti-Parkinson's disease drug for administering to a patient in need of anti-Parkinson's disease therapy.
    Type: Grant
    Filed: March 24, 1993
    Date of Patent: April 17, 2001
    Assignee: ALZA Corporation
    Inventors: David Emil Edgren, Howard A. Carpenter, Gurdish K. Bhatti, Atul Devdatt Ayer
  • Banded prolonged release active agent dosage form
    Patent number: 6020000
    Abstract: The present invention is directed to an active agent dosage form that is useful for the prolonged delivery of an active agent formulation to a fluid environment of use. The active agent dosage form is a matrix that has an insoluble material circumscribing a portion of the surface of the matrix. The invention is also directed to a method of making the active agent dosage form.
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: February 1, 2000
    Assignee: ALZA Corporatiton
    Inventors: Patrick S.-L. Wong, David Emil Edgren, Liang C. Dong, Vincent Joseph Ferrari
  • Exit means in dosage form
    Patent number: 5718700
    Abstract: A dosage form is disclosed comprising a wall that surrounds a bilayer core with exit passageway for communicating with the bilayer core in the wall.
    Type: Grant
    Filed: September 20, 1994
    Date of Patent: February 17, 1998
    Assignee: ALZA Corporation
    Inventors: David Emil Edgren, Robert Raymond Skluzacek, Brian L. Barclay, Gurdish Kaur Bhatti
  • Banded prolonged release active agent dosage form
    Patent number: 5667804
    Abstract: The present invention is directed to an active agent dosage form which is useful for the prolonged delivery of an active agent formulation to a fluid environment of use. The active agent dosage form is a matrix that has on its surface two or more insoluble bands. The invention is also directed to the method for making the active agent dosage form.
    Type: Grant
    Filed: June 27, 1996
    Date of Patent: September 16, 1997
    Assignee: ALZA Corporation
    Inventors: Patrick S.-L. Wong, David Emil Edgren, Liang C. Dong, Vincent Joseph Ferrari