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(11)

EP 1 313 847 A1

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(43) Date of publication: 28.05.2003 Bulletin 2003/22 (21) Application number: 00990871.6 (22) Date of filing: 31.08.2000

(51) International Patent Classification (IPC)7: C12N 11/04, C02F 3/34, G01N 33/18 (86) International application number: PCT/IN0000/082 (87) International publication number: WO 0201/8563 (07.03.2002 Gazette 2002/10)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (71) Applicant: Council of Scientific andIndustrial Research New Delhi 110 001 (IN)	(72) Inventors: RAMAKRISHNA, Sonti Venkata Andhra Predesh (IN) MOHAN, Srenivasulureddy Venkata Andhra Predesh (IN) PRAKASHAM, Reddy Shetty Andhra Predesh (IN) KOMARAIAH, Palle Andhra Predesh (IN) RAGHAVAN, Kondapuram Vijaya Andhra Predesh (IN) (74) Representative: Portal, Gérard et al Cabinet Beau de Loménie158, rue de l'Université 75340 Paris Cédex 07 75340 Paris Cédex 07 (FR)