A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 6/02 (2006.01) A61K 6/083 (2006.01) C03C 3/062 (2006.01)
Patent
CA 2587400
An aluminosilicate glass composition comprising: (a) 10-35 % by weight of silica; (b) 10-35 % by weight of alumina; (c) 3-30 % by weight of zinc oxide; (d) 4-30 % by weight P205; and (e) 3-25 % by weight of fluoride which contains at most 3 % by weight of alkaline metals calculated as M20, wherein M is Li, Na, and/or K, and wherein the weight ratio of the sum of zinc oxide and fluoride to P205 of from 0.8 to to 3Ø
La présente invention concerne une composition de verre d'aluminosilicate comprenant : (a) 10-35 % en poids de silice ; (b) 10-35 % en poids d'alumine ; (c) 3-30 % en poids d'oxyde de zinc ; (d) 4-30 % en poids de P205 ; et (e) 3-25 % en poids de fluorure, la composition contenant au maximum 3 % en poids de métaux alcalins sous la forme de M20, formule dans laquelle M est Li, Na, et/ou K, et le rapport de la somme du poids d'oxyde de zinc et de fluorure, sur le poids de P205 valant de 0,8 à 3,0.
Blackwell Gordon
Dentsply de Trey Gmbh
Smart & Biggar
LandOfFree
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