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:
Nov. 21, 2006
Filed:
Mar. 25, 2003
Applicants:
Franz Ott, Mitterteich, DE;
Karin Naumann, Ober-Olm, DE;
Otmar Becker, Langen, DE;
Ralf Diezel, Mitterteich, DE;
Inventors:
Franz Ott, Mitterteich, DE;
Karin Naumann, Ober-Olm, DE;
Otmar Becker, Langen, DE;
Ralf Diezel, Mitterteich, DE;
Assignee:
Schott AG, Mainz, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03B 5/18 (2006.01); C03B 5/225 (2006.01); C03C 3/085 (2006.01); C03C 3/087 (2006.01); C03C 3/091 (2006.01);
U.S. Cl.
CPC ...
Abstract
The process of the invention produces alkali-free aluminosilicate glass having an AlO-content of more than 12% by weight with the addition of from 0.005% by weight to 0.6% by weight of sulfate for batch formulation.