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:
Jul. 07, 2020
Filed:
Feb. 21, 2018
Applicant:
Schott Ag, Mainz, DE;
Inventors:
Christof Kass, Tirschenreuth, DE;
Rainer Eichholz, Frankfurt am Main, DE;
Assignee:
SCHOTT AG, Mainz, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/095 (2006.01); C03C 3/11 (2006.01); C03C 3/087 (2006.01); C03C 3/097 (2006.01); C03C 1/00 (2006.01); A61J 1/14 (2006.01); C03B 19/02 (2006.01); C03C 4/20 (2006.01);
U.S. Cl.
CPC ...
C03C 3/11 (2013.01); A61J 1/1468 (2015.05); C03B 19/02 (2013.01); C03C 1/004 (2013.01); C03C 3/087 (2013.01); C03C 3/095 (2013.01); C03C 3/097 (2013.01); C03C 4/20 (2013.01); C03C 2204/00 (2013.01);
Abstract
The invention relates to a process for producing alkali metal-rich aluminosilicate glasses having a content (in mol % based on oxide) of alkali metal oxides of 4-16 mol %, of AlOof at least 4 mol % and of BOof 0-4 mol %, wherein 0.15 mol % to 0.9 mol % of chloride(s) and at least one refining agent from the group of sulfate(s) (reported as SO), CeOare added to the glass batch and wherein the sum total of refining agents added in the batch is 0.17 mol % to 1.3 mol %.