(19)
(11) EP 0 179 133 A1

(12)

(43) Date of publication:
30.04.1986 Bulletin 1986/18

(21) Application number: 85902287.0

(22) Date of filing: 16.04.1985
(51) International Patent Classification (IPC): 
B01J 41/ 14( . )
C08F 2/ 16( . )
C08F 2/ 22( . )
C08F 291/ 00( . )
C08F 2/ 00( . )
C08F 2/ 18( . )
C08F 257/ 02( . )
C08J 5/ 20( . )
(86) International application number:
PCT/US1985/000673
(87) International publication number:
WO 1985/004885 (07.11.1985 Gazette 1985/24)
(84) Designated Contracting States:
DE FR GB IT NL SE

(30) Priority: 23.04.1984 US 19840602787

(71) Applicant: THE DOW CHEMICAL COMPANY
Midland Michigan 48640-1967 (US)

(72) Inventor:
  • DHINGRA, Yog, R.
    Midland, MI 48640 (US)

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

   


(54) PROCESS FOR THE PREPARATION OF ION EXCHANGE RESINS USING SEEDED POLYMERIZATION TECHNOLOGY