(19)
(11) EP 1 454 929 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 158(3) EPC

(48) Corrigendum issued on:
08.12.2004 Bulletin 2004/50

(43) Date of publication:
08.09.2004 Bulletin 2004/37

(21) Application number: 02751708.5

(22) Date of filing: 26.07.2002
(51) International Patent Classification (IPC)7: C08F 20/28, C08F 290/06, C08F 299/02, C08G 65/26, C09K 3/18
(86) International application number:
PCT/JP2002/007584
(87) International publication number:
WO 2003/014171 (20.02.2003 Gazette 2003/08)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

(30) Priority: 03.08.2001 JP 2001236310

(71) Applicant: Daikin Industries, Ltd.
Osaka-shi, Osaka 530-8323 (JP)

(72) Inventors:
  • YAMAMOTO, I., Yodogawa Works of DAIKIN IND., LTD.
    Settsu-shi, Osaka 566-8585 (JP)
  • FUKITA, N., Yodogawa Works of DAIKIN IND., LTD.
    Settsu-shi, Osaka 566-8585 (JP)

(74) Representative: HOFFMANN - EITLE 
Patent- und Rechtsanwälte Arabellastrasse 4
81925 München
81925 München (DE)

   


(54) FLUORINATED POLYETHER MONOMER, POLYMER FORMED THEREFROM, AND SURFACE-TREATING AGENT


(57) A fluorine-containing polymer which is an active component of a surface treatment agent having excellent water- and oil-repellency is constituted by a fluorine-containing polyether monomer of the formula: wherein Rf is a perfluoroalkyl group having 1 to 18 carbon atoms,
R is hydrogen or a methyl group,
A1 is a divalent linear or branched aliphatic group having 1 to 20 carbon atoms,
A2 is a direct bond, or a divalent linear or branched aliphatic group having 1 to 10 carbon atoms which may have an ether linkage,
X is a trivalent linear or branched aliphatic group having 2 to 5 carbon atoms, and
n is from 1 to 100.