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EP 0 638 093 A1

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(43) Date of publication: 15.02.1995 Bulletin 1995/07 (21) Application number: 93910160.0 (22) Date of filing: 30.04.1993

(51) International Patent Classification (IPC):  A01H 5/ 00( . ) C12N 5/ 10( . ) C12N 15/ 82( . ) C12Q 1/ 70( . ) C07K 14/ 08( . ) C12N 15/ 09( . ) C12Q 1/ 68( . ) C12R 1/ 92( . ) (86) International application number: PCT/GB1993/000910 (87) International publication number: WO 1993/022345 (11.11.1993 Gazette 1993/27)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 02.05.1992 GB 19920009669 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) UNILEVER N.V. NL-3013 AL Rotterdam (NL)

(72) Inventors: BOULTON, Robert Edwin Girton, Cambridge GB3 0PA (GB) BREARS, Timothy Goole, North Humberside DN1 40SJ (GB) FOULDS, Ian, Jeffrey Houghton, Cambridgeshire PE17 2DF (GB) JACK, Peter, Liam Cambridge CB7 2DP (GB) JAMES, Christopher, Michael Cambridge CB5 8RT (GB) LEA, Vincent John Great Shelford, Cambridge CB2 5AN (GB) SIDEBOTTOM, Christopher, Michael Bedford MK40 3PQ (GB) SLABAS, Antoni Ryszard Hett Village, Durham DH6 5LE (GB) STRATFORD, Rebecca Trumpington, Cambridge CB2 2NN (GB) (74) Representative: Matthews, Heather Clare  Keith W Nash & Co Pearl Assurance House 90-92 Regent Street Cambridge CB2 1DP Cambridge CB2 1DP (GB)