US 12,246,984 B2
Glass coating composition, manufacturing method for coated glass using the glass coating composition, and cooking apparatus using the coated glass
Taehee Kim, Seoul (KR); Taeho Kim, Seoul (KR); Yongsoo Lee, Seoul (KR); Woon Jin Chung, Chungcheongnam-do (KR); Hansol Lee, Chungcheongnam-do (KR); and In Gun Kim, Chungcheongnam-do (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR); and KONGJU NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION, Chungcheongnam-Do (KR)
Filed by LG ELECTRONICS INC., Seoul (KR); and KONGJU NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION, Chungcheongnam-do (KR)
Filed on Jan. 25, 2021, as Appl. No. 17/156,852.
Claims priority of application No. 10-2020-0009092 (KR), filed on Jan. 23, 2020.
Prior Publication US 2021/0230053 A1, Jul. 29, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. C03C 17/00 (2006.01); A21B 3/02 (2006.01); C03C 3/17 (2006.01); C03C 3/21 (2006.01); C03C 8/08 (2006.01); C03C 8/20 (2006.01); C03C 17/02 (2006.01); B82Y 40/00 (2011.01)
CPC C03C 17/008 (2013.01) [A21B 3/02 (2013.01); C03C 3/17 (2013.01); C03C 3/21 (2013.01); C03C 8/08 (2013.01); C03C 8/20 (2013.01); C03C 17/02 (2013.01); B82Y 40/00 (2013.01); C03C 2217/216 (2013.01); C03C 2217/29 (2013.01); C03C 2217/452 (2013.01); C03C 2217/475 (2013.01); C03C 2217/476 (2013.01); C03C 2217/477 (2013.01)] 9 Claims
 
1. A glass coating composition, comprising:
90 to 99 weight percent (wt %) of a glass composition; and
1 to 10 wt % of a nanopowder added to the glass composition, wherein the glass composition comprises:
20 to 40 wt % of phosphorus pentoxide (P2O5), a total of 15 to 30 wt % of aluminum oxide (Al2O3) and zirconium dioxide (ZrO2), a total of 10 to 30 wt % of sodium oxide (Na2O) and potassium oxide (K2O), 10 to 25 wt % of boron trioxide (B2O3), and 10 to 15 wt % of zinc oxide (ZnO), wherein the nanopowder comprises at least one of zinc oxide (ZnO), titanium dioxide (TiO2), tin oxide (SnO2), or indium tin oxide (ITO).