Multi-unit delivery system
Patent 5023088 Issued on June 11, 1991. Estimated Expiration Date: 
March 19, 2010. 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 19, 2010. 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 1736078 2620061 2853206 3410455 3565284 3656483 3844445 3845770 3845882 Osmotic dispenser with means for dispensing active agent responsive to osmotic gradient InventorsAssigneeApplicationNo. 495825 filed on 03/19/1990US Classes:424/473, With porous, perforated, apertured, or sieved layer (e.g., dialyzing layer, microporous layer, etc.)424/405, Biocides; animal or insect repellents or attractants (e.g., disinfectants, pesticides, etc.)424/408, Capsule or pelleted or tablet424/438, Specially adapted for ruminant animal424/472, Layered unitary dosage forms604/892.1Osmotic or diffusion pumped device or systemExaminersPrimary: Page, Thurman K.Assistant: Phelan, D. Gabrielle Attorney, Agent or FirmForeign Patent References
International ClassA61K 009/24AbstractA dispenser for use in a fluid environment which is capable of delivery of a plurality of discrete drug-containing units in any desired delivery pattern or profile.Other References
Field of SearchSpecially adapted for ruminant animalWith porous, perforated, apertured, or sieved layer (e.g., dialyzing layer, microporous layer, etc.) Layered unitary dosage forms Biocides; animal or insect repellents or attractants (e.g., disinfectants, pesticides, etc.) Capsule or pelleted or tablet Osmotic or diffusion pumped device or system | |
