Patents by Inventor Alice E. Loper

Alice E. Loper 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 delivery systems
    Patent number: 4942037
    Abstract: A transdermal delivery system suitable for the drug (4aR-trans )-3,4,4a,5,6,10b-hexahydro-4-propyl-2H-naphth[1,2-b]-1,4-oxazin-9-ol over an extended period of time is described.
    Type: Grant
    Filed: June 2, 1988
    Date of Patent: July 17, 1990
    Assignee: Merck & Co., Inc.
    Inventors: Joseph V. Bondi, Alice E. Loper
  • 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
  • pH-Mediated drug delivery system
    Patent number: 4756710
    Abstract: A method and device for delivering acidic or basic drugs in a controlled delivery system is described.
    Type: Grant
    Filed: March 7, 1986
    Date of Patent: July 12, 1988
    Assignee: Merck & Co., Inc.
    Inventors: Joseph V. Bondi, Alice E. Loper, Edward M. Cohen
  • Transdermal system for timolol
    Patent number: 4752478
    Abstract: A method and device for administering timolol for an extended period is described. By the method and device, transdermal application of timolol may be accomplished with substantially no irritation to the skin.
    Type: Grant
    Filed: December 17, 1984
    Date of Patent: June 21, 1988
    Assignee: Merck & Co., Inc.
    Inventors: Joseph V. Bondi, Alice E. Loper, Edward M. Cohen