(19)
(11) EP 0 796 114 A1

(12)

(43) Date of publication:
24.09.1997 Bulletin 1997/39

(21) Application number: 95940866.0

(22) Date of filing: 21.11.1995
(51) International Patent Classification (IPC): 
B08B 17/ 00( . )
A61L 2/ 18( . )
C02F 1/ 50( . )
C11D 7/ 26( . )
 A01N 63/ 00( . )
C02F 1/ 00( . )
C02F 3/ 34( . )
D21H 21/ 04( . )
(86) International application number:
PCT/US1995/015500
(87) International publication number:
WO 1996/017632 (13.06.1996 Gazette 1996/27)
(84) Designated Contracting States:
AT BE CH DK ES FR GB IE IT LI LU NL PT SE

(30) Priority: 06.12.1994 DE 19944445070
05.06.1995 US 19950465214

(71) Applicant: BetzDearborn Inc
Trevose, PA 19053-6783 (US)

(72) Inventors:
  • EYERS, Mark
    B-3300 Tienen (BE)
  • VAN PEE, Kristine
    B-9880 Aalter (BE)
  • VAN POELE, Jos
    B-2140 Borgerhout (BE)
  • SCHUETZ, Jurgen, Friedrich
    B-2000 Antwerpen (BE)
  • SCHENKER, Achim, P.
    D-69412 Eberbach (DE)

(74) Representative: W.P. Thompson & Co. 
Coopers Building, Church Street
Liverpool L1 3AB
Liverpool L1 3AB (GB)

   


(54) BIOFILM AVOIDANCE AND REMOVAL PROCESS AND COMPOSITION