Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Matrices
Reexamination Certificate
2005-08-19
2010-11-16
Azpuru, Carlos A (Department: 1615)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Matrices
Reexamination Certificate
active
07833548
ABSTRACT:
A coating composition in the form of a one or multi-part system, and method of applying such a composition under conditions of controlled humidity, for use in coating device surfaces to control and/or improve their ability to release bioactive agents in aqueous systems. The coating composition is particularly adapted for use with medical devices that undergo significant flexion and/or expansion in the course of their delivery and/or use, such as stents and catheters. The composition includes the bioactive agent in combination with a first polymer component such as polyalkyl(meth)acrylate, polyaryl(meth)acrylate, polyaralkyl(meth)acrylate, or polyaryloxyalkyl(meth)acrylate and a second polymer component such as poly(ethylene-co-vinyl acetate).
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Anderson Aron B.
Chappa Ralph A.
Hergenrother Robert W.
Lawin Laurie R.
Ofstead Ronald F.
Azpuru Carlos A
Pauly, Devries Smith & Deffner, L.L.C.
Surmodics, Inc.
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