(19)

(11)

EP 0 041 065 A1

(12)

(43) Date of publication: 09.12.1981 Bulletin 1981/49 (21) Application number: 80901624.0 (22) Date of filing: 22.08.1980

(51) International Patent Classification (IPC):  C12N 11/ 04( . ) C12P 7/ 06( . ) C12P 1/ 00( . ) (86) International application number: PCT/SE1980/000215 (87) International publication number: WO 1981/000575 (05.03.1981 Gazette 1981/06)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (30) Priority: 24.08.1979 SE 19790007075 (71) Applicant: BEROL KEMI AB S-444 01 Stenungsund 1 (SE)	(72) Inventors: LARSSON, Per-Olof S-220 07 Lund 7 (SE) MOSBACH, Klaus S-220 07 Lund 7 (SE) (74) Representative: Perneborg, Henry T., et al  Allied Attorneys Chemical AB P.O. Box 27097 S-102 51 Stockholm S-102 51 Stockholm (SE)