(19)
(11) EP 1 606 338 A1

(12)

(43) Date of publication:
21.12.2005 Bulletin 2005/51

(21) Application number: 04723588.2

(22) Date of filing: 26.03.2004
(51) International Patent Classification (IPC)7C08J 3/00, C08F 8/14, C09D 5/16
(86) International application number:
PCT/EP2004/003257
(87) International publication number:
WO 2004/085518 (07.10.2004 Gazette 2004/41)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 26.03.2003 EP 03251912

(71) Applicant: SigmaKalon B.V.
1422 AD Uithoorn (NL)

(72) Inventors:
  • GILLARD, Michel
    B-1348 Louvain-la-Neuve (BE)
  • VOS, Marcel
    B-1400 Nivelles (BE)
  • PLEHIERS, Mark
    B-1000 Bruxelles (BE)

(74) Representative: Walsh, David Patrick 
Appleyard Lees, 15 Clare Road
Halifax HX1 2HY
Halifax HX1 2HY (GB)

   


(54) A PROCESS FOR THE PROTECTION OF ACID GROUPS IN POLYMERS