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:
Jun. 24, 2014
Filed:
Oct. 25, 2012
Applicants:
Marie Jacqueline Monique Comte, Fontenay aux Roses, FR;
Lothar Wondraczek, Erlangen, DE;
Inventors:
Marie Jacqueline Monique Comte, Fontenay aux Roses, FR;
Lothar Wondraczek, Erlangen, DE;
Assignee:
Eurokera, Chateau-Thierry, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/085 (2006.01); C03C 10/12 (2006.01); C03C 10/00 (2006.01); C03C 3/093 (2006.01);
U.S. Cl.
CPC ...
C03C 10/0027 (2013.01); C03C 3/093 (2013.01); C03C 3/085 (2013.01);
Abstract
Transparent, essentially colorless β-quartz glass-ceramic materials, the composition of which is free of AsOand of SbO, where said composition contains a specific combination of three nucleating agents: TiO, ZrOand SnO; TiObeing present in low quantity.