(19)
(11) EP 1 034 141 A1

(12)

(43) Date of publication:
13.09.2000 Bulletin 2000/37

(21) Application number: 98955805.1

(22) Date of filing: 27.11.1998
(51) International Patent Classification (IPC)7: C02F 1/68, C02F 1/00
(86) International application number:
PCT/GB9803/554
(87) International publication number:
WO 9928/242 (10.06.1999 Gazette 1999/23)
(84) Designated Contracting States:
BE CH DE ES FR GB IE IT LI NL PT SE

(30) Priority: 28.11.1997 GB 9725350

(71) Applicant: South Staffordshire Water PLC
Walsall WS2 7PD (GB)

(72) Inventors:
  • APSLEY, Peter
    Walsall,West Midlands WS2 7PD (GB)
  • VICKERS, Martin
    Walsall,West Midlands WS2 7PD (GB)

(74) Representative: Shaw, Laurence 
Laurence Shaw & Associates,5th Floor Metropolitan House,1 Hagley Road
Edgbaston,Birmingham B16 8TG
Edgbaston,Birmingham B16 8TG (GB)

   


(54) MONITORING OF THE CONTINUOUS ADDITION OF A LIQUID AGENT TO WATER