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:
Oct. 05, 2021
Filed:
Apr. 08, 2019
Applicant:
Schott Ag, Mainz, DE;
Inventors:
Ulf Dahlmann, Landshut, DE;
Sabine Pichler-Wilhelm, Landshut, DE;
Jens Suffner, Landshut, DE;
Simone Monika Ritter, Mainz, DE;
Assignee:
SCHOTT AG, Mainz, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 4/08 (2006.01); C03C 3/118 (2006.01); C03C 3/085 (2006.01); C03C 3/064 (2006.01); C03C 4/12 (2006.01); C03C 4/14 (2006.01); C03C 4/16 (2006.01); A61K 6/77 (2020.01); C03C 4/00 (2006.01);
U.S. Cl.
CPC ...
C03C 4/087 (2013.01); C03C 3/064 (2013.01); C03C 3/085 (2013.01); C03C 3/118 (2013.01); C03C 4/0021 (2013.01); A61K 6/77 (2020.01); C03C 2204/00 (2013.01);
Abstract
The invention relates to a radiopaque glass having a refractive index nof 1.480 to 1.561, this glass, apart from impurities at most, being free from SrO and PbO. The glass is based on the SiO, AlOand BOsystem. The radiopacity can be adjusted using CsO in particular in combination with BaO and/or SnOoptionally in conjunction with fluorine. The glass may be used in particular as dental glass or as optical glass.