Poly(ester amide) block copolymers
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United States of America Patent
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Apr 20, 2010
Grant Date -
Aug 28, 2008
app pub date -
May 2, 2008
filing date -
Dec 27, 2004
priority date (Note) -
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Abstract
Provided herein is a copolymer that includes a soft block (A) and a hard block (B) comprising a tyrosine di-peptide. The copolymer can be any of AB, ABA or BAB type block copolymers. The soft block can include a PEA polymer. A coating formed of the copolymer may also include a bioactive agent. The implantable device can be implanted in a patient to treat, prevent, or ameliorate a disorder such as atherosclerosis, thrombosis, restenosis, hemorrhage, vascular dissection or perforation, vascular aneurysm, vulnerable plaque, chronic total occlusion, claudication, anastomotic proliferation for vein and artificial grafts, bile duct obstruction, ureter obstruction, and/or tumor obstruction.
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