	US 11,912,622 B2
	Composition for enamel, method for preparing a composition for enamel, and cooking appliance
Suyeon Choi, Seoul (KR); Taeho Kim, Seoul (KR); and Yongsoo Lee, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Dec. 10, 2020, as Appl. No. 17/117,440.
Claims priority of application No. 10-2019-0164056 (KR), filed on Dec. 10, 2019.
Prior Publication US 2021/0171389 A1, Jun. 10, 2021
Int. Cl. C03C 8/06 (2006.01); C03C 3/068 (2006.01); C03C 3/115 (2006.01); F24C 15/00 (2006.01)

CPC C03C 8/06 (2013.01) [C03C 3/068 (2013.01); C03C 3/115 (2013.01); F24C 15/005 (2013.01); C03C 2207/04 (2013.01)]

21 Claims

1. A composition for enamel, comprising:

10 to 45 weight percent (wt %) of silicon dioxide (SiO₂);

1 to 10 wt % of diboron trioxide (B₂O₃);

10 to 20 wt % of at least one of sodium oxide (Na₂O), potassium oxide (K₂O), or lithium oxide (Li₂O);

1 to 5 wt % of sodium fluoride (NaF);

1 to 10 wt % of zinc oxide (ZnO);

5 to 15 wt % of titanium dioxide (TiO₂);

3 to 7 wt % of molybdenum trioxide (MoO₃);

5 to 15 wt % of bismuth oxide (Bi₂O₃);

1 to 5 wt % of cerium dioxide (CeO₂); and

0.5 to 10 wt % of at least one of manganese dioxide (MnO₂), ferric oxide (Fe₂O₃), or cobalt oxide (Co₃O₄).