(19)

(11)

EP 0 629 243 A1

(12)

(43) Date of publication: 21.12.1994 Bulletin 1994/51 (21) Application number: 93904281.0 (22) Date of filing: 03.03.1993

(51) International Patent Classification (IPC):  C12N 1/ 21( . ) C12N 15/ 55( . ) C12N 9/ 16( . ) C12N 15/ 82( . ) (86) International application number: PCT/GB1993/000432 (87) International publication number: WO 1993/018158 (16.09.1993 Gazette 1993/22)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 03.03.1992 GB 19920004583 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) UNILEVER N.V. NL-3013 AL Rotterdam (NL)

(72) Inventors: HELLYER, Susan Amanda Huntingdon, Cambridgeshire PE18 0NB (GB) SAFFORD, Richard Bedford, Bedfordshire MK41 8RN (GB) LOADER, Neil Martin Rushden, Northamptonshire NN10 9PL (GB) SLABAS, Antoni Ryszard Hett Village, County Durham DH6 5LE (GB) (74) Representative: Matthews, Heather Clare, et al  Keith W Nash & Co Pearl Assurance House 90-92 Regent Street Cambridge CB2 1DP Cambridge CB2 1DP (GB)