1736078
2620061
2853206
3410455
3565284
3656483
3844445
3845770
3845882
Osmotic dispenser with means for dispensing active agent responsive to osmotic gradient
Patent #: 3995631
Issued on: 12/07/1976
Inventor: Higuchi , et al.
More ...
Osmotic dispenser
Patent #: 3995632
Issued on: 12/07/1976
Inventor: Nakano , et al.
Osmotically driven fluid dispenser
Patent #: 4034756
Issued on: 07/12/1977
Inventor: Higuchi , et al.
Osmotic system for the controlled and delivery of agent over time
Patent #: 4111202
Issued on: 09/05/1978
Inventor: Theeuwes
Osmotic bursting drug delivery device
Patent #: 4177256
Issued on: 12/04/1979
Inventor: Michaels , et al.
Osmotically triggered device with gas generating means
Patent #: 4203441
Issued on: 05/20/1980
Inventor: Theeuwes
Delivery system
Patent #: 4220152
Issued on: 09/02/1980
Inventor: Dresback
Controlled release delivery system
Patent #: 4220153
Issued on: 09/02/1980
Inventor: Dresback
Controlled-release compositions for administration of therapeutic agents to ruminants
Patent #: 4251506
Issued on: 02/17/1981
Inventor: Laby
Method of delivering drug with aid of effervescent activity generated in environment of use
Patent #: 4265874
Issued on: 05/05/1981
Inventor: Bonsen , et al.
Dispenser with diffuser
Patent #: 4320759
Issued on: 03/23/1982
Inventor: Theeuwes
Mesh-covered bolus
Patent #: 4326522
Issued on: 04/27/1982
Inventor: Guerrero , et al.
Method of delivering drug with aid of effervescent activity generated in environment of use
Patent #: 4344929
Issued on: 08/17/1982
Inventor: Bonsen , et al.
Water absorbing fluid dispenser
Patent #: 4350271
Issued on: 09/21/1982
Inventor: Eckenhoff
Sustained release delivery system
Patent #: 4381780
Issued on: 05/03/1983
Inventor: Holloway
Dispensing device with internal drive
Patent #: 4410328
Issued on: 10/18/1983
Inventor: Theeuwes
Simultaneous delivery of two drugs from unit delivery device
Patent #: 4449983
Issued on: 05/22/1984
Inventor: Cortese , et al.
Pharmaceutical pellet
Patent #: 4578263
Issued on: 03/25/1986
Inventor: Whitehead
Retard form of pharmaceuticals with insoluble porous diffusion coatings
Patent #: 4578264
Issued on: 03/25/1986
Inventor: Stricker , et al.
Hygienic dispenser for wafers
Patent #: 4589575
Issued on: 05/20/1986
Inventor: Rigberg , et al.
Delivery system controlled administration of beneficial agent to ruminants
Patent #: 4595583
Issued on: 06/17/1986
Inventor: Eckenhoff , et al.
Osmotic device with dual thermodynamic activity
Patent #: 4612008
Issued on: 09/16/1986
Inventor: Wong , et al.
Method for establishing blood levels of biocide in animals
Patent #: 4612186
Issued on: 09/16/1986
Inventor: Eckenhoff , et al.
Gas diffusion-limited controlled release devices
Patent #: 4623330
Issued on: 11/18/1986
Inventor: Laby , et al.
Drug delivery device for programmed delivery of beneficial drug
Patent #: 4624847
Issued on: 11/25/1986
Inventor: Ayer , et al.
Osmotic capsule
Patent #: 4627850
Issued on: 12/09/1986
Inventor: Deters , et al.
Release device
Patent #: 4642230
Issued on: 02/10/1987
Inventor: Whitehead , et al.
Pulsatile drug delivery system
Patent #: 4723958
Issued on: 02/09/1988
Inventor: Pope , et al.
Multi-unit delivery system Patent #: 5023088
Issued on: 06/11/1991
Inventor: Wong, et al.
May 17, 2011. 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.
