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(11)

EP 2 683 460 A2

(12)

(88) Date of publication A3: 08.11.2012 (43) Date of publication: 15.01.2014 Bulletin 2014/03 (21) Application number: 12755436.8 (22) Date of filing: 07.03.2012

(51) International Patent Classification (IPC):  B01D 37/00(2006.01) B29C 67/20(2006.01) B01D 39/02(2006.01) (86) International application number: PCT/US2012/028054 (87) International publication number: WO 2012/122257 (13.09.2012 Gazette 2012/37)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 08.03.2011 US 201161450407 P (71) Applicant: Nanopaper LLC Cambridge, MA 02138 (US)	(72) Inventors: JOGIKALMATH, Gangadhar Cambridge, MA 02140 (US) SOANE, David, S. Chestnut Hill, MA 02467 (US) (74) Representative: Chapman, Paul William et al Kilburn & Strode LLP 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)