Means for providing instant agent from agent dispensing system
Patent 4643731 Issued on February 17, 1987. Estimated Expiration Date: 
August 16, 2005. 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.
August 16, 2005. 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 ReferencesInventorAssigneeApplicationNo. 06/766454 filed on 08/16/1985US Classes:604/892.1, Osmotic or diffusion pumped device or system424/467, Printed, embossed, grooved, or perforated424/473With porous, perforated, apertured, or sieved layer (e.g., dialyzing layer, microporous layer, etc.)ExaminersPrimary: Rosenbaum, C. FredAssistant: Smith, Jerome R. Jr. Attorney, Agent or FirmInternational ClassesA61K 9/00 (20060101)A61M 31/00 (20060101) AbstractA dispensing system is disclosed for delivering a beneficial agent formulation instantly and continuously over time to an environment of use. The dispensing system comprises an outer housing surrounding at least a part of a dispensing device. The dispensing device comprises a wall surrounding a compartment with a passageway in the wall connecting the compartment with the interior of the dispensing device. A beneficial agent formulation is present in the housing for instant delivery and a beneficial agent formulation is present in the compartment for continuous delivery. | |
