C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
261/13, 6/36, 40
C03C 3/00 (2006.01) A61K 6/08 (2006.01) A61K 6/083 (2006.01) A61L 24/00 (2006.01) C03C 3/04 (2006.01) C03C 4/00 (2006.01) C03C 12/00 (2006.01) C03C 21/00 (2006.01) C08K 3/40 (2006.01)
Patent
CA 1156679
ABSTRACT OF THE DISCLOSURE The invention relates to glass powders useful in cements in medicine or dentistry comprising a calcium aluminum fluorosilicate glass powder having an average particle size of at least 0.5 microns, characterized in that the powder particles are so depleted of calcium at the surface that the quotient of the atomic ratio Si/Ca at the surface of the powder particles and the atomic ratio Si/Ca in the core region is at least 2Ø
356159
Gasser Oswald
Jochum Peter
Purrmann Robert
Schmitt Werner
Espe Fabrik Pharmazeutischer Praparate Gesellschaft Mit Beschran
Goudreau Gage Dubuc
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