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:
Aug. 04, 2015
Filed:
Jun. 10, 2013
Applicant:
Schott Ag, Mainz, DE;
Inventor:
Peter Brix, Mainz, DE;
Assignee:
SCHOTT AG, Mainz, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 3/087 (2006.01); C03C 4/20 (2006.01);
U.S. Cl.
CPC ...
C03C 4/20 (2013.01); C03C 3/087 (2013.01);
Abstract
Universal glasses are provided which have the composition, in percent by weight on an oxide basis, 65-75 of SiO, 11-18 of AlO, 5-10 of MgO, 5-10 of CaO, which are free of BO, SrO, BaO, CeOand PbO and have a hydrolytic resistance in the first class in accordance with DIN ISO 719, an acid resistance at least in the second class in accordance with DIN 12116 and an alkali resistance at least in the second class in accordance with DIN ISO 695.