James B. McClain;Charles Douglas Taylor;Wenda C. Carlyle
发明人:
James B. McClain,Charles Douglas Taylor,Wenda C. Carlyle
申请号:
US13229473
公开号:
US20120064124A1
申请日:
2011.09.09
申请国别(地区):
US
年份:
2012
代理人:
摘要:
Provided is a drug delivery composition comprising at least one polymer and at least one active agent; wherein the active agent is present in crystalline form on at least one region of an outer surface of the composition and wherein active agent surface content is adjusted to provide a selected active agent release profile.