(19)
(11) EP 0 664 816 A1

(12)

(43) Date of publication:
02.08.1995 Bulletin 1995/31

(21) Application number: 93923399.0

(22) Date of filing: 14.10.1993
(51) International Patent Classification (IPC): 
A61F 13/ 53( . )
A61L 15/ 60( . )
A61F 13/ 49( . )
C08F 8/ 00( . )
(86) International application number:
PCT/US1993/009848
(87) International publication number:
WO 1994/009043 (28.04.1994 Gazette 1994/10)
(84) Designated Contracting States:
DE FR GB

(30) Priority: 14.10.1992 US 19920960674
14.10.1992 US 19920960675
12.11.1992 US 19920975171

(71) Applicant: THE DOW CHEMICAL COMPANY
Midland, Michigan 48640 (US)

(72) Inventor:
  • GRAHAM, Andrew, T.
    Midland, MI 48642 (US)

(74) Representative: Sternagel, Hans-Günther, Dr., et al 
Patentanwälte Dr. Michael Hann, Dr. H.-G. Sternagel, Dr. H. Dörries, Sander Aue 30
D-51465 Bergisch Gladbach
D-51465 Bergisch Gladbach (DE)

   


(54) WATER-ABSORBENT POLYMER HAVING IMPROVED PROPERTIES