U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Means for the application of transdermally absorbable active substances

Patent 4898592 Issued on February 6, 1990. Estimated Expiration Date: Icon_subject September 16, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

1862122

2344021

3026874

3598122

3674027

3777754

3837340

Transdermal delivery of drugs
Patent #: 4230105
Issued on: 10/28/1980
Inventor: Harwood

Therapeutic system for administering drugs to the skin
Patent #: 4286592
Issued on: 09/01/1981
Inventor: Chandrasekaran

Bandage containing attachment post
Patent #: 4297995
Issued on: 11/03/1981
Inventor: Golub

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Inventors

Application

No. 245923 filed on 09/16/1988

US Classes:

604/307, Adhesively attachable to body424/448, Pressure sensitive adhesive means424/449, Transdermal or percutaneous602/46Polymeric foam

Examiners

Primary: Pellegrino, Stephen C.
Assistant: Lewis, Ralph A.

Attorney, Agent or Firm

Foreign Patent References

  • 0136393 EP. 04/13/1985
  • 2301821 DE. 08/13/1974
  • 2722273 DE. 11/13/1978
  • 2561505 FR. 09/13/1985

International Class

A61F 013/02

Foreign Application Priority Data

1986-08-23 DE

Abstract

A device for the application of heated transdermally absorbable active substances has a carrier impregnated with a transdermally absorbable active substance and a support. The support is a laminate made up of one or more polymeric layers and optionally includes a heat conductive element. A preferred mode of carrier attachment involves the use of a magnetic connector.

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