(19)

(11)

EP 1 848 569 A1

(12)

(43) Date of publication: 31.10.2007 Bulletin 2007/44 (21) Application number: 06735719.4 (22) Date of filing: 21.02.2006

(51) International Patent Classification (IPC):  B24D 18/00(2006.01) B24B 37/04(2006.01) B24D 13/14(2006.01) (86) International application number: PCT/US2006/006176 (87) International publication number: WO 2006/089293 (24.08.2006 Gazette 2006/34)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 15.07.2005 WO PCT/US2005/025330 18.02.2005 US 60898 14.10.2005 US 251547 18.02.2005 US 654104 P 18.02.2005 US 654173 P 02.05.2005 US 677062 P (71) Applicant: Neopad Technologies Corporation Sunnyvale, CA 94085 (US)	(72) Inventors: ROY, Pradip, K. Orlando, FL 32819 (US) DEOPURA, Manish Sunnyvale, California 94085 (US) MISRA, Sudhanshu San Jose, CA 95138 (US) (74) Representative: Price, Nigel John King  J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5JJ London WC1R 5JJ (GB)