Patents by Inventor Atul Devdatt Ayer

Atul Devdatt Ayer 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).

  • Osmotic dosage form composed of an extruded polymer tube form
    Patent number: 6719751
    Abstract: A dosage form manufactured from an extruded polymer tube and method for manufacturing the dosage form are disclosed. The dosage form is preferably an osmotic dosage form and includes a therapeutic agent and an expandable composition contained within the lumen of the extruded polymer tube.
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: April 13, 2004
    Inventors: Liang-Chang Dong, Patrick S.-L. Wong, Atul Devdatt Ayer, Padmaja Shivanand, Michael A. DesJardin
  • Controlled delivery of phenoxyethyl-substituted 1,2,4-triazolones
    Patent number: 6706282
    Abstract: Dosage forms and methods for the controlled release of antidepressives, such as exemplified by phenoxyethyl substituted-1,2,4-triazolones, as a suspension or a slurry over a prolonged period of time are described.
    Type: Grant
    Filed: November 1, 1999
    Date of Patent: March 16, 2004
    Inventors: Evangeline Cruz, Noymi Yam, Adam Zhong, Atul Devdatt Ayer, Padmanabh Bhatt
  • Osmotic dosage form composed of an extruded polymer tube form
    Publication number: 20030055408
    Abstract: A dosage form manufactured from an extruded polymer tube and method for manufacturing the dosage form are disclosed. The dosage form is preferably an osmotic dosage form and includes a therapeutic agent and an expandable composition contained within the lumen of the extruded polymer tube.
    Type: Application
    Filed: October 24, 2002
    Publication date: March 20, 2003
    Inventors: Liang-Chang Dong, Patrick S.-L. Wong, Atul Devdatt Ayer, Padmaja Shivanand, Michael A. DesJardin
  • Osmotic dosage form composed of an extruded polymer tube form
    Patent number: 6491683
    Abstract: A dosage form manufactured from an extruded polymer tube and method for manufacturing the dosage form are disclosed. The dosage form is preferably an osmotic dosage form and includes a therapeutic agent and an expandable composition contained within the lumen of the extruded polymer tube.
    Type: Grant
    Filed: September 7, 2000
    Date of Patent: December 10, 2002
    Assignee: ALZA Corporation
    Inventors: Liang-Chang Dong, Patrick S. L. Wong, Atul Devdatt Ayer, Padmaja Shivanand, Michael A. DesJardin
  • Controlled delivery of antidepressants
    Publication number: 20010031279
    Abstract: Dosage forms and methods for the controlled release of antidepressives, such as exemplified by phenoxyethyl substituted-1,2,4-triazolones, over a prolonged period of time are described.
    Type: Application
    Filed: May 25, 2001
    Publication date: October 18, 2001
    Inventors: Evangeline Cruz, Noymi Yam, Adam Zhong, Atul Devdatt Ayer, Padmanabh Bhatt
  • Anti-asthma therapy
    Patent number: 6224907
    Abstract: A dosage form is disclosed for administering a leukatriene-receptor antagonist to a patient over time.
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: May 1, 2001
    Assignee: Alza Corporation
    Inventors: Nipun Davar, Atul Devdatt Ayer, Paul Minn Hwang, Padmaja Shivanand, Brenda J. Pollock
  • 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
  • Method for administering tandospirone
    Patent number: 5858407
    Abstract: A dosage form is provided for administering a drug of the formula ##STR1## to a patient to produce an anxiolytic benefit in the patient. A method is provided for administering the drug of the formula for producing the intended therapy.
    Type: Grant
    Filed: January 10, 1994
    Date of Patent: January 12, 1999
    Assignee: Alza Corporation
    Inventors: Atul Devdatt Ayer, Dana A. Ridzon
  • Method and apparatus for delivering first agent followed by second agent
    Patent number: 5840074
    Abstract: The invention provides a dispensing device (10) comprising a loading dose (32) (first agent delivery device) for short-term and continuous delivery of agent, retained together with a long-term dispensing device (12) (second agent delivery device) capable of long-term and continuous delivery of agent. The combination of first and second agent delivery device provides a device in which a substantially constant dose of beneficial agent is delivered to the environment of use over time. A rapid delivery of beneficial agent is followed by continuous and prolonged delivery of agent.
    Type: Grant
    Filed: June 2, 1992
    Date of Patent: November 24, 1998
    Assignee: ALZA Corporation
    Inventors: Atul Devdatt Ayer, James B. Eckenhoff, Jeremy C. Wright, Anthony L. Kuczynski
  • Method for administering drug to gastrointestinal tract
    Patent number: 5785994
    Abstract: A dosage form is disclosed that comprises means inside the dosage form for providing a substantially drug-free interval before the dosage form delivers a drug from inside the dosage form. The dosage form in an embodiment comprises a drug on the exterior of the dosage form, which drug is available for immediate delivery.
    Type: Grant
    Filed: April 1, 1992
    Date of Patent: July 28, 1998
    Assignee: ALZA Corporation
    Inventors: Patrick S.-L. Wong, Felix Theeuwes, Atul Devdatt Ayer, Anthony L. Kuczynski
  • Hydromorphone therapy
    Patent number: 5702725
    Abstract: A hydromorphone composition, a hydromorphone dosage form and a method for administering hydromorphone are disclosed, indicated for the management of pain.
    Type: Grant
    Filed: March 5, 1996
    Date of Patent: December 30, 1997
    Assignee: Alza Corporation
    Inventors: Sonya Merrill, Atul Devdatt Ayer, Navjot Chadha, Anthony L. Kuczynski
  • Antidepressive therapy
    Patent number: 5688518
    Abstract: A dosage form is provided for administering a drug of the formula ##STR1## to a patient to produce an anxiolytic benefit in the patient.
    Type: Grant
    Filed: July 27, 1995
    Date of Patent: November 18, 1997
    Assignee: Alza Corporation
    Inventors: Atul Devdatt Ayer, Dana Ridzon
  • Morphine therapy
    Patent number: 5667805
    Abstract: A composition comprising morphine; and a dosage form comprising morphine are disclosed for morphine therapy. A method of using the composition and the dosage form are disclosed and indicated for morphine therapy.
    Type: Grant
    Filed: October 4, 1996
    Date of Patent: September 16, 1997
    Assignee: Alza Corporation
    Inventors: Sonya Merrill, Atul Devdatt Ayer, Paul Hwang, Anthony L. Kuczynski
  • Method for lowering blood glucose
    Patent number: RE44459
    Abstract: The invention disclosed comprises a method for administering the antidiabetic drug glipizide to a patient in need of glipizide in need of antidiabetic therapy.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: August 27, 2013
    Assignee: Alza Corporation
    Inventors: Anthony L. Kuczynski, Atul Devdatt Ayer, Patrick S. L. Wong