Patent Issued for Diketopiperazine Microparticles Jun 4, 2014 15:48:34 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by liane on Jun 4, 2014 15:48:34 GMT -5 MannKind : Patent Issued for Diketopiperazine Microparticles with Defined Specific Surface Areaswww.4-traders.com/MANNKIND-CORPORATION-10052/news/MannKind--Patent-Issued-for-Diketopiperazine-Microparticles-with-Defined-Specific-Surface-Areas-18544019/