A pharmaceutical packaging is provided including a glass, comprising at least the following components (given in mol % on oxide basis): SiO.sub.2:59-84, Al.sub.2O.sub.3:7-18.5, CaO:1-25, SrO:0-6.5, BaO:0-5, ZrO.sub.2:0-3, TiO.sub.2:0-5, B.sub.2O.sub.3:0-1, wherein the ratio (CaO+SrO+BaO)/Al.sub.2O.sub.3<2.8, wherein the ratio (CaO+SrO+BaO)/SiO.sub.2≦0.39, wherein the hydrolytic resistance according to DIN ISO 720 is class HGA 1, and wherein the glass, apart from unavoidable contaminations, is free of alkali oxides and magnesium oxides.

An electrical storage system is provided that has a thickness of less than 2 mm, which includes at least one sheet-type discrete element. The sheet-type discrete element exhibits high resistance against an attack of transition metals or transition metal ions, in particular titanium, wherein the sheet-type discrete element contains titanium. The invention also relates to a sheet-type discrete element for use in an electrical storage system, which exhibits high resistance to the attack of transition metals or of transition metal ions, in particular titanium.

An electrical storage system is provided that has a thickness of less than 2 mm, which includes at least one sheet-type discrete element. The sheet-type discrete element exhibits high resistance against an attack of transition metals or transition metal ions, in particular titanium, wherein the sheet-type discrete element contains titanium. The invention also relates to a sheet-type discrete element for use in an electrical storage system, which exhibits high resistance to the attack of transition metals or of transition metal ions, in particular titanium.

The present invention relates to an anisotropic glass containing, in terms of mol % on the basis of oxides, P.sub.2O.sub.5 in a content of from 45 mol % to 57 mol %, two or more kinds of alkali metal oxides selected from the group consisting of Li.sub.2O, Na.sub.2O, K.sub.2O, Rb.sub.2O, and Cs.sub.2O in a total content of from 30 mol % to 54 mol %, and at least one polyvalent element oxide other than P.sub.2O.sub.5 in a total content of from 0.1 mol % to 20 mol %, and having a birefringence of 30×10.sup.−6 or more.

Ion-exchanged glass ceramic articles described herein have a stress that decreases with increasing distance according to a substantially linear function from a depth of about 0.07t to a depth of about 0.26t from the outer surface of the ion-exchanged glass ceramic article from a compressive stress to a tensile stress. The stress transitions from the compressive stress to the tensile stress at a depth of from about 0.18t to about 0.25t from the outer surface of the ion-exchanged glass ceramic article. An absolute value of a maximum compressive stress at the outer surface of the ion-exchanged glass article is from 1.8 to 2.2 times an absolute value of a maximum central tension (CT) of the ion-exchanged glass article, and the glass ceramic article has a fracture toughness of 1 MPa√m or more as measured according to the double cantilever beam method.

The present invention provides a glass for a pharmaceutical container, which includes as a glass composition, in terms of mol %, 69% to 81% of SiO.sub.2, 4% to 12% of Al.sub.2O.sub.3, 0% to 5% of B.sub.2O.sub.3, 5% to 20% of Li.sub.2O+Na.sub.2O+K.sub.2O, 0% to 12% of Li.sub.2O, 0% to 11% of Na.sub.2O, 0.01% to 11% of MgO+CaO+SrO+BaO, and 0.01% to 11% of CaO, which satisfies the following relationship: a molar ratio MgO/CaO<9.0, and which has a working point of 1,270° C. or less.

The present invention provides a glass for a pharmaceutical container, which includes as a glass composition, in terms of mol %, 69% to 81% of SiO.sub.2, 4% to 12% of Al.sub.2O.sub.3, 0% to 5% of B.sub.2O.sub.3, 5% to 20% of Li.sub.2O+Na.sub.2O+K.sub.2O, 0% to 12% of Li.sub.2O, 0% to 11% of Na.sub.2O, 0.01% to 11% of MgO+CaO+SrO+BaO, and 0.01% to 11% of CaO, which satisfies the following relationship: a molar ratio MgO/CaO<9.0, and which has a working point of 1,270° C. or less.

Chemically durable glass compositions are disclosed. In embodiments, the glass composition includes: 48 mol. % to 61 mol. % SiO.sub.2; 0 mol. % to 1 mol. % Al.sub.2O.sub.3; 7 mol. % to 20 mol. % B.sub.2O.sub.3; 9 mol. % to 16 mol. % R.sub.2O, where R.sub.2O is a sum of alkali oxides present in the glass composition; 9 mol. % to 15 mol. % Na.sub.2O; and 8 mol. % to 21 mol. % ZnO. The glass composition may be substantially free of Li.sub.2O. RO (mol. %)<0.5×ZnO (mol. %), where RO is a sum of the alkaline earth oxides in the glass composition. An average coefficient of thermal expansion of the glass composition is 75×10.sup.−7/° C. to 88×10.sup.−7/° C. over a temperature range from about 20° C. to about 300° C. The glass composition comprises a softening point less than or equal to 660° C. The glass composition comprises a hydrolytic resistance of class HGA1 or class HGA2 according to ISO 720:1985.

Chemically durable glass compositions are disclosed. In embodiments, the glass composition includes: 48 mol. % to 61 mol. % SiO.sub.2; 0 mol. % to 1 mol. % Al.sub.2O.sub.3; 7 mol. % to 20 mol. % B.sub.2O.sub.3; 9 mol. % to 16 mol. % R.sub.2O, where R.sub.2O is a sum of alkali oxides present in the glass composition; 9 mol. % to 15 mol. % Na.sub.2O; and 8 mol. % to 21 mol. % ZnO. The glass composition may be substantially free of Li.sub.2O. RO (mol. %)<0.5×ZnO (mol. %), where RO is a sum of the alkaline earth oxides in the glass composition. An average coefficient of thermal expansion of the glass composition is 75×10.sup.−7/° C. to 88×10.sup.−7/° C. over a temperature range from about 20° C. to about 300° C. The glass composition comprises a softening point less than or equal to 660° C. The glass composition comprises a hydrolytic resistance of class HGA1 or class HGA2 according to ISO 720:1985.

Methods for producing glass articles from laminated glass tubing include introducing the glass tubing to a converter. The glass tubing includes a core layer under tensile stress, an outer clad layer under, and an inner clad layer. The methods include forming a feature the glass article at a working end of the laminated glass tubing and separating a glass article from the working end of the laminated glass tubing, which may expose the core layer under tensile stress at the working end of the glass tubing. The method further comprises remediating the exposed portion of the core layer by completely enclosing the core layer in a clad layer. Systems for re-cladding the exposed portion of the core layer as well as glass articles made using the systems and methods are also disclosed.