(19)
(11) EP 0 944 705 A2

(12)

(43) Date of publication:
29.09.1999 Bulletin 1999/39

(21) Application number: 97950132.0

(22) Date of filing: 31.10.1997
(51) International Patent Classification (IPC): 
C11D 3/ 395( . )
C11D 3/ 39( . )
 C11D 3/ 26( . )
C11D 17/ 08( . )
(86) International application number:
PCT/EP1997/006164
(87) International publication number:
WO 1998/023717 (04.06.1998 Gazette 1998/22)
(84) Designated Contracting States:
DE ES FR GB IT

(30) Priority: 29.11.1996 GB 19960024840

(71) Applicants:
  • UNILEVER PLC
    London EC4P 4BQ (GB)
  • UNILEVER N.V.
    3013 AL Rotterdam (NL)

(72) Inventors:
  • THOMPSON, Katherine, Mary
    Merseyside L61 3XG (GB)
  • THORNTHWAITE, David, William
    Cheshire L64 3SF (GB)

(74) Representative: Dekker, Enno E.J. 
Unilever N.V. Patents Division P.O. Box 137
3130 AC Vlaardingen
3130 AC Vlaardingen (NL)

   


(54) IMPROVEMENTS RELATING TO BLEACHING COMPOSITIONS COMPRISING HYDROGEN PEROXIDE