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:
Apr. 28, 2015
Filed:
Jul. 15, 2011
Applicants:
Friedrich Siebers, Nierstein, DE;
Evelin Weiss, Mainz, DE;
Falk Gabel, Schlangenbad, DE;
Inventors:
Assignee:
Schott AG, Mainz, DE;
Primary Examiner:
Int. Cl.
CPC ...
C03C 10/14 (2006.01); C03C 10/12 (2006.01); C03C 10/00 (2006.01); C03B 32/02 (2006.01); F24C 15/10 (2006.01); C03B 20/00 (2006.01);
U.S. Cl.
CPC ...
C03C 10/0054 (2013.01); C03B 32/02 (2013.01); C03C 10/0027 (2013.01); F24C 15/10 (2013.01); C03B 20/00 (2013.01);
Abstract
A glass ceramic as cooktop for induction heating having improved colored display capability and heat shielding is provided. The cooktop includes a transparent, dyed glass ceramic plate having high-quartz mixed crystals as a predominant crystal phase. The glass ceramic contains none of the chemical refining agents arsenic oxide and/or antimony oxide and has a transmittance values greater than 0.4% at at least one wavelength in the blue spectrum between 380 and 500 nm, a transmittance >2% at 630 nm, a transmittance of less than 45% at 1600 nm, and a light transmittance of less than 2.5% in the visible spectrum.