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US 2006/0078592 A1Published application
Drug delivery systems
AssigneeBausch & Lomb Incorporated
InventorsJay Kunzler, Dharmendra Jani, Joseph Salamone
Life of this patent
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Abstract
A method for making an ocular drug delivery device involves subjecting the device to a supercritical fluid to remove contaminants from the device. The supercritical fluid includes supercritical carbon dioxide. The contaminants include unreacted monomers or oligomers present in the polymeric material used to form the device.
Claims18
A method for making an ocular drug delivery device, comprising:
- providing a drug delivery device comprising a polymeric material and a pharmaceutically active agent, said polymeric material including contaminants, and said drug delivery device being sized and configured for implantation or injection in eye tissue;
- and
- subjecting the device to a supercritical fluid to remove the contaminants.
A method comprising:
- providing an ocular drug delivery device, the drug delivery device comprising a polymeric material and a pharmaceutically active agent;
- and
- removing contaminants from the device by subjecting the device to a supercritical fluid.
Dependencies are inferred from the claim text.