(19)

(11)

EP 2 379 618 A1

(12)

(43) Date of publication: 26.10.2011 Bulletin 2011/43 (21) Application number: 09796908.3 (22) Date of filing: 23.12.2009

(51) International Patent Classification (IPC):  C08G 63/00(2006.01) C08L 67/02(2006.01) D04H 3/00(2006.01) (86) International application number: PCT/US2009/069444 (87) International publication number: WO 2010/075530 (01.07.2010 Gazette 2010/26)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 23.12.2008 US 203542 17.04.2009 WO PCT/US2009/041023 (71) Applicant: Metalbolix Inc. Cambridge MA 02139 (US)	(72) Inventors: KANN, Yelena Marblehead MA 01945 (US) WHITEHOUSE, Robert, S. Lexington MA 02124 (US) (74) Representative: Snodin, Michael D.  Potter Clarkson LLP Park View House 58 The Ropewalk Nottingham NG1 5DD Nottingham NG1 5DD (GB)