Patent application 13126395 (US), filed 2011-04-27
Publication number: US20110207834A1
Title: HIGHLY PURIFIED POLYLACTIC ACID OR A DERIVATIVE THEREOF, A SALT OF THE SAME, AND PURIFICATION METHOD THEREOF
CPC codes: C08G  63/08
C08G  63/90
A61P  43/00
C08G  63/83
Office action: rejection, dated 2015-10-16
Rejection reasons: obviousness_103
Prior art cited: ref_id: 20050201972
ref_type: patent
severity: obviousness
ref_id: Avgoustakis Current Drug Delivery, 2004, VoL I, No, 4, 321-333, PTO-892 of record
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-16)