(19)
(11) EP 0 564 576 A1

(12)

(43) Date of publication:
13.10.1993 Bulletin 1993/41

(21) Application number: 92903513.0

(22) Date of filing: 20.12.1991
(51) International Patent Classification (IPC): 
C01F 5/ 14( . )
C08K 3/ 22( . )
C09K 21/ 02( . )
C01F 5/ 22( . )
C09C 1/ 02( . )
(86) International application number:
PCT/US1991/009629
(87) International publication number:
WO 1992/012097 (23.07.1992 Gazette 1992/19)
(84) Designated Contracting States:
BE DE ES FR GB GR IT NL

(30) Priority: 26.12.1990 US 19900633817
26.12.1990 US 19900633818

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

(72) Inventor:
  • MERTZ, Steven, F.
    Ludington, MI 49431 (US)

(74) Representative: Casalonga, Axel, et al 
BUREAU D.A. CASALONGA - JOSSE Morassistrasse 8
D-80469 München
D-80469 München (DE)

   


(54) MAGNESIUM HYDROXIDE HAVING STACKED LAYER, CRYSTALLINE STRUCTURE AND PROCESS THEREFOR