(19)
(11) EP 1 109 972 A1

(12)

(43) Date of publication:
27.06.2001 Bulletin 2001/26

(21) Application number: 99944410.2

(22) Date of filing: 16.08.1999
(51) International Patent Classification (IPC)7: D21H 23/14, D21H 21/10
// D21H17:28
(86) International application number:
PCT/EP9905/999
(87) International publication number:
WO 0012/819 (09.03.2000 Gazette 2000/10)
(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

(30) Priority: 28.08.1998 GB 9818917

(71) Applicant: Ciba Specialty Chemicals Water Treatments Limited
Bradford,West Yorkshire BD12 0JZ (GB)

(72) Inventor:
  • WARING, Ian Mark
    Bolton,Lancashire BL7 9XD (GB)

   


(54) MANUFACTURE OF PAPER