Recent Patents on Drug Delivery & Formulation

Ryan F. Donnelly
School of Pharmacy
Queen's University Belfast


Recent Patent in Controlled Porosity Osmotic Pump

Author(s): Alpesh Patel, Tarak Mehta, Mukesh Patel, Kanu Patel and Natvarlal Patel

Affiliation: Assistant professor, Department of Pharmaceutical Technology, Shri B. M. Shah College of Pharmaceutical Education and Research, College Campus, Modasa -383315, Gujarat, India.


The porous osmotic pump based drug delivery system for excellent controlled release of drug for 24 hrs. The porous osmotic pump contains pore forming water soluble additives in the coating membrane, which after coming in contact with water, dissolve, resulting in an in situ formation of a microporous structure. The porous osmotic pump delivery from this system is not influenced by the different physiological factors. The present review is concerned with the patent study of drug release through controlled porous osmotic pump. This patent review is useful in knowledge of controlled porous osmotic pump for its application.

Keywords: Controlled porous osmotic pump (CPOP), osmotic pump, physiological factors

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Article Details

Page: [66 - 72]
Pages: 7
DOI: 10.2174/1872211311307010008