LOW MOLECULAR WEIGHT POLYLACTIC ACID POLYMERS
Application 1130/MUMNP/2006 published 2007-04-06, filed 2006-09-22
The invention relates to a procedure for purifying low molecular weight polylactic acid polymers by use of low temperature phase separation of the polymers in methanol, ethanol or isopropanol based solvents, compositions comprising the Polymers and methods of using the same.
Applicant
1)AMGEN INC.
:M/S 27-4-A,One Amgen Centre Drive Thousand Oaks, California 91320-1799, U.S.A.
Inventor
1)HUANG ,Yujin No of Pages : 25 No of Claims : 17
International Info
Classification: C08G63/08
Publication Number: WO2005/105886A1
Application Date: 2005-04-25
Priority Information
60/565,246 U.S.A. 2004-04-23