Patents by Inventor Anup K. Majumdar

Anup K. Majumdar 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).

  • Transdermal drug delivery system
    Patent number: 4880633
    Abstract: A multilaminate transdermal drug delivery system containing only dissolved drug in the drug reservoir is described. The delivery system comprises a backing layer, a reservoir layer and a membrane layer, wherein the drug in the reservoir is completely dissolved and the control of delivery is effected by the joint action of reservoir and membrane.
    Type: Grant
    Filed: July 7, 1988
    Date of Patent: November 14, 1989
    Assignee: Merck & Co., Inc.
    Inventors: Alice E. Loper, Anup K. Majumdar
  • Transdermal drug delivery system
    Patent number: 4797284
    Abstract: A multilaminate transdermal drug delivery system containing only dissolved drug in the drug reservoir is described. The delivery system comprises a backing layer, a reservoir layer and a membrane layer, wherein the drug in the reservoir is completely dissolved and the control of delivery is effected by the joint action of reservoir and membrane.
    Type: Grant
    Filed: March 12, 1986
    Date of Patent: January 10, 1989
    Assignee: Merck & Co., Inc.
    Inventors: Alice E. Loper, Anup K. Majumdar