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:
Dec. 10, 2024
Filed:
Jul. 10, 2020
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Taehee Kim, Seoul, KR;
Dongwan Seo, Seoul, KR;
Taeho Kim, Seoul, KR;
Ju Hyeong Kim, Seoul, KR;
Yongsoo Lee, Seoul, MN;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 17/23 (2006.01); A47J 27/00 (2006.01); C03C 17/00 (2006.01);
U.S. Cl.
CPC ...
C03C 17/23 (2013.01); A47J 27/002 (2013.01); C03C 17/001 (2013.01); C03C 2217/214 (2013.01); C03C 2217/216 (2013.01); C03C 2217/22 (2013.01); C03C 2217/228 (2013.01); C03C 2217/23 (2013.01); C03C 2217/70 (2013.01);
Abstract
A cooking appliance includes a cooking chamber, a door that is configured to open and close the cooking chamber and has a door glass, a coating layer that is disposed at least one surface of the door glass and made of a coating composition. The coating composition includes 20 to 40 wt % of phosphorus pentoxide (PO), 15 to 30 wt % of aluminum oxide (AlO) and zirconium dioxide (ZrO), 10 to 30 wt % of sodium oxide (NaO) and potassium oxide (KO), 10 to 25 wt % of boron trioxide (BO), and 10 to 15 wt % of zinc oxide (ZnO).