Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2011-08-09
2011-08-09
Arnold, Ernst V (Department: 1613)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C424S422000, C424S423000, C424S489000, C514S772100, C514S169000, C514S171000, C514S673000
Reexamination Certificate
active
07994213
ABSTRACT:
Disclosed are a coating agent for drug releasing stents, a method for preparing the same and a drug releasing stent coated therewith. The coating agent for drug releasing stents comprises nanoparticles with a biologically active material entrapped therein, wherein the particles are formed of a polyethyleneimine (PEI)-deoxycholic acid (DOCA) polymer (PDo) in which 1˜8 moles of DOCA are grafted per mole of PEI.
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Jo Eun-ae
Lee Don-haeng
Lee Dong-Ki
Na Kun
Shin Kyong-Min
Arnold Ernst V
IP & T Group LLP
Kyong-Min Shin
Levin Miriam A
Taewoong Medical Co., Ltd.
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