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. 26, 2019
Filed:
Aug. 24, 2018
Applicant:
Agc Inc., Chiyoda-ku, JP;
Inventors:
Kei Maeda, Tokyo, JP;
Atsuo Yasumori, Tokyo, JP;
Assignee:
AGC Inc., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03C 10/06 (2006.01); C03C 3/087 (2006.01); C03B 32/02 (2006.01); C03C 3/097 (2006.01);
U.S. Cl.
CPC ...
C03C 3/087 (2013.01); C03B 32/02 (2013.01); C03C 3/097 (2013.01); C03C 2203/10 (2013.01); C03C 2203/52 (2013.01);
Abstract
The present invention pertains to glass containing, in terms of mass % on an oxide basis, 40-80% of SiO, 1-30% of AlO, and 1-40% of CaO, the glass having dmisteinbergite as the crystalline phase. Such glass makes it difficult for cracks to progress and has exceptional crack resistance.