Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
PatentStorm News
Make the Most of PatentStorm
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest patents by subscribing to an RSS feed.
Got questions? Ask a Patent Expert!
Registered users: Manage your profile, comments and alerts.
US Patent 4783337 - Osmotic system comprising plurality of members for dispensing drug
US Patent Issued on November 8, 1988
Estimated Patent Expiration Date:
September 29, 2006Estimated 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.
Estimated Patent Expiration Date:
September 29, 2006Estimated 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.AbstractAn osmotic system is disclosed comprising a wall comprising in at least a part of a semipermeable material that surrounds a compartment. The compartment contains a first osmotic composition comprising a beneficial drug selected from the group consisting of a calcium antagonist, angiotensin enzyme inhibitor and nonsteroidal antiinflammatory drugs, and a second and different osmotic composition. A passageway in the wall connects the first composition with the exterior of the system. | InventorsAssigneeApplicationNo. 06/912712 filed on 09/29/1986US Classes:424/468, Sustained or differential release type424/469, Discrete particles in supporting matrix424/474, Coated pills or tablets424/486, Synthetic polymer428/320.2, Composite having a component wherein a constituent is liquid or is contained within preformed walls (e.g., impregnant-filled, previously void containing component, etc.)428/913, MATERIAL DESIGNED TO BE RESPONSIVE TO TEMPERATURE, LIGHT, MOISTURE, ETC.604/892.1Osmotic or diffusion pumped device or systemExaminersPrimary: Schofer, Joseph L.Assistant: Teskin, F. M. Attorney, Agent or FirmUS Patent References4008719, Osmotic system having laminar arrangement for programming delivery of active agentIssued on: 02/22/1977 Inventor: Theeuwes , et al.4014334, Laminated osmotic system for dispensing beneficial agent Issued on: 03/29/1977 Inventor: Theeuwes , et al.4063064, Apparatus for tracking moving workpiece by a laser beam Issued on: 12/13/1977 Inventor: Saunders , et al.4077407, Osmotic devices having composite walls Issued on: 03/07/1978 Inventor: Theeuwes , et al.4093708, Osmotic releasing device having a plurality of release rate patterns Issued on: 06/06/1978 Inventor: Zaffaroni, et al.4100098, Stabilized solutions of sodium dithionite Issued on: 07/11/1978 Inventor: Magan4111202, Osmotic system for the controlled and delivery of agent over time Issued on: 09/05/1978 Inventor: Theeuwes4186184, Selective administration of drug with ocular therapeutic system Issued on: 01/29/1980 Inventor: Zaffaroni4210139, Osmotic device with compartment for governing concentration of agent dispensed from device Issued on: 07/01/1980 Inventor: Higuchi4224427, Process for preparing hydrogels as spherical beads of large size Issued on: 09/23/1980 Inventor: Mueller , et al.4285987, Process for manufacturing device with dispersion zone Issued on: 08/25/1981 Inventor: Ayer , et al.4298003, System for delivering agent at zero order rate with emerging agent below saturation Issued on: 11/03/1981 Inventor: Theeuwes , et al.4320759, Dispenser with diffuser Issued on: 03/23/1982 Inventor: Theeuwes4327725, Osmotic device with hydrogel driving member Issued on: 05/04/1982 Inventor: Cortese , et al.4350271, Water absorbing fluid dispenser Issued on: 09/21/1982 Inventor: Eckenhoff4455143, Osmotic device for dispensing two different medications Issued on: 06/19/1984 Inventor: Theeuwes , et al.4608048, Dispensing device with drug delivery patterns Issued on: 08/26/1986 Inventor: Cortese , et al.4610686, Controlled delivery of haloperidol by an osmotic delivery system Issued on: 09/09/1986 Inventor: Ayer , et al.4612008, Osmotic device with dual thermodynamic activity Issued on: 09/16/1986 Inventor: Wong , et al.4643731Means for providing instant agent from agent dispensing system Issued on: 02/17/1987 Inventor: Eckenhoff International ClassA61K 9/00 (20060101) |
