(19)

(11)

EP 0 489 009 A1

(12)

(43) Date of publication: 10.06.1992 Bulletin 1992/24 (21) Application number: 90904885.0 (22) Date of filing: 16.03.1990

(51) International Patent Classification (IPC):  A01N 25/ 34( . ) A01N 55/ 00( . ) A61L 2/ 16( . ) C08K 5/ 59( . ) A01N 33/ 04( . ) A01N 55/ 02( . ) C08K 5/ 17( . ) C08L 101/ 00( . ) (86) International application number: PCT/GB1990/000404 (87) International publication number: WO 1990/011015 (04.10.1990 Gazette 1990/23)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (30) Priority: 21.03.1989 GB 19890006501 30.11.1989 GB 19890027133 (71) Applicant: HYGIENICO LIMITED Dorset BH14 0RS (GB)	(72) Inventor: WOOLLARD, Trevor, P. 240 Ringwood Road Parkstone Dorset BH14 0RS (GB) (74) Representative: Mercer, Christopher Paul  Carpmaels & Ransford 43, Bloomsbury Square London WC1A 2RA London WC1A 2RA (GB)