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Novel drug delivery device
Patent #: 3948254
Issued on: 04/06/1976
Inventor: Zaffaroni
Osmotically driven active agent dispenser
Patent #: 4016880
Issued on: 04/12/1977
Inventor: Theeuwes , et al.
Sustained release pharmaceutical composition
Patent #: 4138475
Issued on: 02/06/1979
Inventor: McAinsh , et al.
Sustained release pharmaceutical compositions
Patent #: 4248856
Issued on: 02/03/1981
Inventor: Guley , et al.
Sustained release pharmaceutical compositions
Patent #: 4248858
Issued on: 02/03/1981
Inventor: Guley , et al.
Controlled release formulations of orally-active medicaments
Patent #: 4308251
Issued on: 12/29/1981
Inventor: Dunn , et al.
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Sustained release pharmaceutical compositions
Patent #: 4309405
Issued on: 01/05/1982
Inventor: Guley , et al.
Sustained release pharmaceutical compositions
Patent #: 4309406
Issued on: 01/05/1982
Inventor: Guley , et al.
Chemical process
Patent #: 4362880
Issued on: 12/07/1982
Inventor: Veal , et al.
Prolonged release therapeutic compositions based on hydroxypropylmethylcellulose
Patent #: 4369172
Issued on: 01/18/1983
Inventor: Schor , et al.
Retard form of pharmaceuticals with insoluble porous diffusion coatings
Patent #: 4459279
Issued on: 07/10/1984
Inventor: Stricker , et al.
Osmotic system with instant drug availability
Patent #: 4576604
Issued on: 03/18/1986
Inventor: Guittard , et al.
Osmotic device comprising means for governing initial time of agent release therefrom
Patent #: 4609374
Issued on: 09/02/1986
Inventor: Ayer
Controlled release formulation
Patent #: 4610870
Issued on: 09/09/1986
Inventor: Jain , et al.
Total agent osmotic delivery system
Patent #: 4615698
Issued on: 10/07/1986
Inventor: Guittard , et al.
Delivery device for zero-order release of an active principle into a dissolution fluid and process for its preparation
Patent #: 4681755
Issued on: 07/21/1987
Inventor: Colombo , et al.
Sustained release tablets and method of making same
Patent #: 4684516
Issued on: 08/04/1987
Inventor: Bhutani
Sustained release compositions comprising hydroxypropyl cellulose ethers
Patent #: 4704285
Issued on: 11/03/1987
Inventor: Alderman
Diffusion coated multiple-units dosage form
Patent #: 4713248
Issued on: 12/15/1987
Inventor: Kjornaes , et al.
Controlled absorption diltiazen pharmaceutical formulation
Patent #: 4721619
Issued on: 01/26/1988
Inventor: Panoz , et al.
Process for the preparation of sustained release pharmaceutical compositions having a high active ingredient content
Patent #: 4748023
Issued on: 05/31/1988
Inventor: Tamas , et al.
Method of preparing controlled long-acting pharmaceutical formulations in unit dosage form having uniform and comparable bioavailability characteristics
Patent #: 4775535
Issued on: 10/04/1988
Inventor: Lowey
Controlled release tablet
Patent #: 4784858
Issued on: 11/15/1988
Inventor: Ventouras
Dosage form comprising parallel lamine
Patent #: 4786503
Issued on: 11/22/1988
Inventor: Edgren , et al.
Controlled-release medical preparations
Patent #: 4824678
Issued on: 04/25/1989
Inventor: Lindahl , et al.
Multiparticulate controlled porosity osmotic
Patent #: 4851228
Issued on: 07/25/1989
Inventor: Zentner , et al.
Method of preparing sustained-release pharmaceutical/preparation
Patent #: 4853249
Issued on: 08/01/1989
Inventor: Takashima , et al.
Controlled release delivery coating formulation for bioactive substances
Patent #: 4891223
Issued on: 01/02/1990
Inventor: Ambegaonkar, et al.
Controlled release compositions with zero order release
Patent #: 4892742
Issued on: 01/09/1990
Inventor: Shah
Use of thioredoxin, thioredoxin-derived, or thioredoxin-like dithiol peptides in hair care preparations
Patent #: 4894223
Issued on: 01/16/1990
Inventor: Pigiet
Hard confections containing hydrogenated isomaltulose and medicinally active ingredient
Patent #: 4971798
Issued on: 11/20/1990
Inventor: Coia, et al.
Shielded electret transducer and method of making the same
Patent #: 4993072
Issued on: 02/12/1991
Inventor: Murphy
Multi-layer granule
Patent #: 4994279
Issued on: 02/19/1991
Inventor: Aoki, et al.
Sustained release pharmaceutical tablet
Patent #: 5002774
Issued on: 03/26/1991
Inventor: Agrawala, et al.
Multilayer sustained release granule
Patent #: 5093200
Issued on: 03/03/1992
Inventor: Watanabe, et al.
Extended release pharmaceutical formulations Patent #: 5133974
Issued on: 07/28/1992
Inventor: Paradissis, et al.
April 18, 2012. 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.
