Glass for medicine container, and glass tube for medicine container and medicine container using same
AssigneeNippon Electric Glass Co., Ltd.
InventorSatoshi ARAI
Life of this patent
Estimating the term…
Abstract
A glass for a pharmaceutical container of the present invention includes as a glass composition, in terms of mol %, 60% to 85% of SiO2, 3% to 20% of Al2O3, 0% to 5% of B2O3, 0% to 9% of Li2O, 0% to 12% of Na2O, 0% to 6% of K2O, 0.1% to 26% of Li2O+Na2O+K2O, 0% to 1% of SrO, and 0% to 1% of BaO, having a value for a molar ratio K2O/(Li2O+Na2O+K2O) of 0.60 or less, and having a value for a molar ratio Al2O3/(Li2O+Na2O+K2O) of 50 or less.
Claims16
1-16. (canceled)
A glass for a pharmaceutical container, comprising as a glass composition, in terms of mol %, 60% to 85% of SiO2, 5.3% to 20% of Al2O3, 0% to 5% of B2O3, 0% to 9% of Li2O, 0% to 12% of Na2O, 0% to 6% of K2O, 0.1% to 26% of Li2O+Na2O+K2O, 0% to 1% of SrO, 0% to 1% of BaO, and 0% to 4% of MgO+CaO+SrO+BaO, having a value for a molar ratio K2O/(Li2O+Na2O+K2O) of 0.60 or less, and having a value for a molar ratio Al2O3/(Li2O+Na2O+K2O) of 50 or less.
A glass for a pharmaceutical container, comprising as a glass composition, in terms of mol %, 60% to 85% of SiO2, 5.3% to 17.5% of Al2O3, 0% to 4% of B2O3, 0% to 6% of Li2O, 0% to 8.3% of Na2O, 0% to 5% of K2O, 0.1% to 26% of Li2O+Na2O+K2O, 0% to 1% of SrO, 0% to 1% of BaO, and 0% to 4% of MgO+CaO+SrO+BaO, having a value for a molar ratio K2O/(Li2O+Na2O+K2O) of 0.24 or less, and having a value for a molar ratio Al2O3/(Li2O+Na2O+K2O) of 0.67 or less.
A glass for a pharmaceutical container, comprising as a glass composition, in terms of mol %, 60% to 85% of SiO2, 5.3% to 17.5% of Al2O3, 0% to 5% of B2O3, 0% to 7% of Li2O, 0% to 8.3% of Na2O, 0% to 5% of K2O, 0.1% to 26% of Li2O+Na2O+K2O, 0% to 1% of SrO, 0% to 1% of BaO, and 0% to 3.7% of MgO+CaO+SrO+BaO, having a value for a molar ratio K2O/(Li2O+Na2O+K2O) of 0.24 or less, and having a molar ratio Al2O3/(Li2O+Na2O+K2O) of 0.67 or less.
A glass for a pharmaceutical container, comprising as a glass composition, in terms of mol %, 60% to 85% of SiO2, 5.3% to 20% of Al2O3, 0% to 5% of B2O3, 0.1% to 26% of Li2O+Na2O+K2O, and 0% to 3% of MgO+CaO+SrO+BaO.
A glass for a pharmaceutical container, comprising as a glass composition, in terms of mol %, 60% to 85% of SiO2, 5.3% to 7% of Al2O3, 0% to 5% of B2O3, 0% to 7% of Li2O, 0% to 8.3% of Na2O, 0% to 5% of K2O, 0.1% to 26% of Li2O+Na2O+K2O, 0% to 1% of SrO, 0% to 1% of BaO, and 0% to 3.7% of MgO+CaO+SrO+BaO, having a value for a molar ratio K2O/(Li2O+Na2O+K2O) of 0.24 or less, having a value for a molar ratio Al2O3/(Li2O+Na2O+K2O) of 0.5 or less, and having a value for a molar ratio SiO2/Al2O3 of 16 or less.
Dependencies are inferred from the claim text.