(19)
(11) EP 1 268 573 A1

(12)

(43) Date of publication:
02.01.2003 Bulletin 2003/01

(21) Application number: 01908761.8

(22) Date of filing: 31.01.2001
(51) International Patent Classification (IPC)7C08F 6/22, C08L 27/12
(86) International application number:
PCT/US0103/152
(87) International publication number:
WO 0105/7096 (09.08.2001 Gazette 2001/32)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 01.02.2000 DE 10004229

(71) Applicant: 3M Innovative Properties Company
Saint Paul, MN 55133-3427 (US)

(72) Inventors:
  • HINTZER, Klaus
    84556 Kasil (DE)
  • KILLICH, Albert
    84508 Burgkirchen (DE)
  • HIRSCH, Bernhard
    84508 Burgkirchen (DE)
  • ERBER, Rudolf
    84518 Garching (DE)

(74) Representative: Voortmans, Gilbert J.L. et al
3M Europe S.A.,Hermeslaan 7
1831 Diegem
1831 Diegem (BE)

   


(54) PROCESS FOR WORKING UP AQUEOUS DISPERSIONS OF FLUOROPOLYMERS