The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 16, 2020
Filed:
Mar. 23, 2016
Pilkington Group Limited, Lathom, GB;
Martin James Horsley, Helsby, GB;
Shona Taylor, Lathom, GB;
Pilkington Group Limited, Lathom, GB;
Abstract
Glasses are disclosed having a composition comprising the following oxides (in weight %): SiO61 to 70%, AlO0 to 9%, NaO 10 to 13%, KO 0 to 1%, MgO 2 to 6%, CaO 6 to 16%, SrO 0 to 1%, ZrO0 to 1%, TiO2 to 15%, the glasses having a strain point greater than 570° C. The glasses have good dimensional stability at high temperatures, making them suitable for fire protection glazings and substrates which are processed at elevated temperatures, e.g. substrates for display panels, information storage discs and semiconductor devices, including photovoltaic cells. Physical properties of the glasses, such as thermal expansion coefficient, density and refractive index, are disclosed, as are the melting and liquidus temperatures. The glasses are suitable for manufacture by the float process, yielding flat glass in the form of sheets.
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