Drug dispensing device for transdermal delivery of medicaments
Patent 4675009 Issued on June 23, 1987. Estimated Expiration Date: 
March 31, 2006. 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.
March 31, 2006. 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 3339546 Monitoring and stimulation electrode Monitoring and stimulation electrode Patent #: 4274420 InventorsAssigneeApplicationNo. 06/845500 filed on 03/31/1986US Classes:604/304, Bandage, pad, or shield placed on body for sustained treatment thereof424/448, Pressure sensitive adhesive means424/449, Transdermal or percutaneous604/307Adhesively attachable to bodyExaminersPrimary: Swisher, Nancy A. B.Attorney, Agent or FirmInternational ClassesA61K 9/70 (20060101)A61L 15/58 (20060101) A61B 5/0408 (20060101) A61L 15/16 (20060101) A61L 15/22 (20060101) A61N 1/04 (20060101) AbstractA flexible, liquid-absorbing, adhesive skin reservoir includes a backing element and a substrate attached to the backing element. The substrate comprises a homogeneous, hydrophilic, stable matrix including a solid phase formed of a synthetic polymer and/or a long chain natural or synthetic polysaccharide, or a combination thereof. The liquid phase of the matrix consists of water, hydric alcohol, carbohydrates and/or proteins in an aqueous solution, and/or a combination thereof. The matrix contains a medicament therein for release to the affected areas for local and/or systemic medicinal effect. | |
