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.

Date of Patent:
Feb. 14, 2006

Filed:

Mar. 05, 2003
Applicants:

Marta Krzyzak, Clausthal-Zellerfeld, DE;

Gundula Helsch, Clausthal-Zellerfeld, DE;

Gerhard Heide, Clausthal-Zellerfeld, DE;

Guenther Heinz Frischat, Clausthal-Zellerfeld, DE;

Inventors:

Marta Krzyzak, Clausthal-Zellerfeld, DE;

Gundula Helsch, Clausthal-Zellerfeld, DE;

Gerhard Heide, Clausthal-Zellerfeld, DE;

Guenther Heinz Frischat, Clausthal-Zellerfeld, DE;

Assignee:

Schott AG, Mainz, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The alkali-free or alkali-poor glass body is provided with an adherent and anti-reflective coating on at least one of its sides. The coating contains POand porous SiO, preferably in a weight ratio of SiOto POof 10:1 to 1:1. It has a rubbing resistance criterion according to DIN 58196, intensity of testing H50, of 2 or better. The method of providing the glass body with the coating includes dipping the glass body in a HPO- and SiO-containing volatile solution, withdrawing the glass body at a speed of from 1 mm/s to 20 mm/s from the solution and tempering the glass body at a temperature of under Tof the glass.


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