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(11)

EP 2 490 787 A1

(12)

(43) Date of publication: 29.08.2012 Bulletin 2012/35 (21) Application number: 09850647.0 (22) Date of filing: 19.10.2009

(51) International Patent Classification (IPC):  B01D 35/06(2006.01) B01D 37/00(2006.01) (86) International application number: PCT/US2009/005672 (87) International publication number: WO 2011/049544 (28.04.2011 Gazette 2011/17)

(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 (71) Applicant: CPC Corporation, Taiwan Katy, TX 77450 (US)

(72) Inventors: YEN, Ping-Wen Taipei City 1010 (TW) HO, Yuh-Sheve Taipei City 1010 (TW) CHIU, Hung-Tzu Taipei City 1010 (TW) HWU, Chung-Jong Taipei City 1010 (TW) CHANG, June-Cheng Taipei City 1010 (TW) LIN, Tzong-Bin Taipei City 1010 (TW) YAN, Tsoung, Y. Philadelphia, PA 19130 (US) HONG, Cheng-Tsung Taipei City 1010 (TW) SHEN, Hung-Chung Taipei City 1010 (TW) (74) Representative: Pearson, James Ginn et al Abel & Imray 20 Red Lion Street London WC1R 4PQ London WC1R 4PQ (GB)