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:
Jan. 10, 2023
Filed:
Apr. 18, 2019
Applicant:
Agc Inc., Chiyoda-ku, JP;
Inventors:
Hiroyuki Hijiya, Tokyo, JP;
Kensuke Nagai, Tokyo, JP;
Assignee:
AGC Inc., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/095 (2006.01); C03C 3/087 (2006.01); C03C 4/08 (2006.01);
U.S. Cl.
CPC ...
C03C 3/095 (2013.01); C03C 3/087 (2013.01); C03C 4/08 (2013.01); C03C 2204/00 (2013.01);
Abstract
A soda lime glass plate has, on the basis of oxides, a total sulfur content in terms of SOof 0.001 to 0.2% in mass %, a total iron content in terms of FeOof 0.15 to 0.4% in mass %, and a total tin content in terms of SnOof 0.02 to 1% in mass %, and has a mass proportion of a divalent iron in terms of FeOin the total iron in terms of FeOof 45 to 70%. The soda lime glass plate has, as a conversion value for a 3.85 mm-thickness glass plate, a visible light transmittance Tv_A of 70% or more, a total solar transmittance Tts of 63.7% or less, and c* in the L*a*b* color space of 4 or less.