(19)
(11) EP 1 255 709 A1

(12)

(43) Date of publication:
13.11.2002 Bulletin 2002/46

(21) Application number: 01906824.6

(22) Date of filing: 31.01.2001
(51) International Patent Classification (IPC)7: C04B 35/107, C04B 35/117, C09K 3/14, C04B 35/111, C01F 7/00, C01F 11/18, C01F 7/16
(86) International application number:
PCT/US0103/166
(87) International publication number:
WO 0105/6945 (09.08.2001 Gazette 2001/32)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 02.02.2000 US 496442
19.07.2000 US 620262
02.11.2000 US 704843

(71) Applicant: 3M Innovative Properties Company
Saint Paul, MN 55133-3427 (US)

(72) Inventor:
  • ROSENFLANZ, Anatoly, Z.
    Saint Paul, MN 55133-3427 (US)

(74) Representative: VOSSIUS & PARTNER 
Siebertstrasse 4
81675 München
81675 München (DE)

   


(54) FUSED ALUMINIUM OXIDE-MAGNESIUM OXIDE-YTTRIUM OXIDE EUTECTIC ABRASIVE PARTICLES, ABRASIVE ARTICLES AND METHODS OF MAKING AND USING THE SAME