公开(公告)号：US20210171389A1

公开(公告)日：2021-06-10

申请号：US17117440

申请日：2020-12-10

Applicant: LG ELECTRONICS INC.

Inventor： Suyeon CHOI ,  Taeho KIM ,  Yongsoo LEE

IPC: C03C8/06 ,  C03C3/115 ,  C03C3/068 ,  F24C15/00

Abstract: A composition for enamel may include 10 to 45 wt % of SiO2; 1 to 10 wt % of B2O3, 10 to 20 wt % of one or more of Na2O, K2O, and/or Li2O, 1 to 5 wt % of NaF, 1 to 10 wt % of ZnO, 5 to 15 wt % of TiO2, 3 to 7 wt % of MoO3, 5 to 15 wt % of Bi2O3, 1 to 5 wt % of CeO2, and 0.5 to 10 wt % of one or more of MnO2, Fe2O3, and/or Co3O4. The composition may be used to make a coating layer provided on a cooking appliance so that contaminants may be easily cleaned from the cooking appliance at a room temperature.

公开(公告)号：US20200270167A1

公开(公告)日：2020-08-27

申请号：US16796075

申请日：2020-02-20

Applicant: LG ELECTRONICS INC.

Inventor： Suyeon CHOI ,  Young Seok Kim

IPC: C03C8/02 ,  C03C8/16 ,  C03C8/20 ,  F24C15/00

Abstract: An enamel composition, a method for preparing an enamel composition, and a cooking appliance are provided. The enamel composition may include silicon dioxide (SiO2) at 25 to 50 wt %; boron oxide (B2O3) at 1 to 15 wt %; one or more of lithium superoxide (Li2O), sodium oxide (Na2O), or potassium oxide (K2O) at 10 to 20 wt %; sodium fluoride (NaF) at 1 to 5 wt %; zinc oxide (ZnO) at 1 to 10 wt %; and one or more of titanium dioxide (TiO2), molybdenum trioxide (MoO3), bismuth oxide (Bi2O3), or cerium dioxide (CeO2) at 20 to 40 wt %, such that a heating time required for cleaning is shortened and cleaning is possible without carrying out a water soaking process.

公开(公告)号：US20240286949A1

公开(公告)日：2024-08-29

申请号：US18651451

申请日：2024-04-30

Applicant: LG ELECTRONICS INC.

Inventor： Suyeon CHOI ,  Young Seok KIM

IPC: C03C8/06 ,  C03C3/066 ,  C03C3/068 ,  C03C3/115 ,  C03C17/04 ,  C23D5/02 ,  C23D5/04 ,  F24C15/00 ,  F24C15/02

CPC classification number: C03C8/06 ,  C03C3/066 ,  C03C3/068 ,  C03C3/115 ,  C03C17/04 ,  F24C15/005 ,  F24C15/02 ,  C03C2207/04 ,  C03C2218/17 ,  C23D5/02 ,  C23D5/04

Abstract: An enamel composition, a method for preparing an enamel composition, and a cooking appliance are provided. The enamel composition may include 15 to 50 wt % of silicon dioxide (SiO2); 1 to 10 wt % of boron oxide (B2O3); 10 to 20 wt % of at least one of lithium oxide (Li2O), sodium oxide (Na2O), or potassium oxide (K2O); 1 to 5 wt % of sodium fluoride (NaF); 1 to 10 wt % of zinc oxide (ZnO); and 20 to 50 wt % of at least one of titanium dioxide (TiO2), molybdenum oxide (MoO3), bismuth oxide (Bi2O3), cerium dioxide (CeO2), manganese dioxide (MnO2), or Iron oxide (Fe2O3), which provides an enamel composition with a reduced cleaning time, and facilitates cleaning without soaking in water.

公开(公告)号：US20200270166A1

公开(公告)日：2020-08-27

申请号：US16795923

申请日：2020-02-20

Applicant: LG ELECTRONICS INC.

Inventor： Suyeon CHOI ,  Young Seok Kim

IPC: C03C8/02 ,  C03C8/16 ,  C03C8/20 ,  F24C15/00

Abstract: An enamel composition, a method for preparing an enamel composition, and a cooking appliance are provided. The enamel composition may include 20 to 50% by weight of silicon dioxide (SiO2), 7 to 12% by weight of boron oxide (B2O3), one or more of lithium superoxide (Li2O), sodium oxide (Na2O), or potassium oxide (K2O), and 10 to 20% by weight of sodium fluoride (NaF), 1 to 10% by weight of zinc oxide (ZnO), and one or more of molybdenum oxide (MoO3), bismuth oxide (Bi2O3), or cerium dioxide (CeO2), and 10 to 40% by weight of titanium dioxide (TiO2). With such an enamel composition, cleaning is possible in a heating condition of a relatively low temperature and without a soaking process using water.

公开(公告)号：US20190169065A1

公开(公告)日：2019-06-06

申请号：US16211402

申请日：2018-12-06

Applicant: LG ELECTRONICS INC.

Inventor： Wongyu CHOI ,  Youngseok KIM ,  Suyeon CHOI

IPC: C03C8/14 ,  C03C8/08 ,  C03C3/066 ,  F27D1/00 ,  F24C15/00

Abstract: A coating composition may include a glass frit including Phosphorus Oxide (P2O5), Silicon Oxide (SiO2), Boron Oxide (B2O3), a group I-based metal oxide, Barium Oxide (BaO), Sodium Fluoride (NaF), Titanium Oxide (TiO2), Stannous Oxide (SnO), Zinc Oxide (ZnO), and an adhesion enhancement component. The P2O5 may be included by about 40 wt % to about 55 wt % based on a total weight of the glass frit. The SiO2 may be included by about 5 wt % to about 15 wt % based on the total weight of the glass frit. The B2O3 may be included by about 5 wt % to about 10 wt % based on the total weight of the glass frit. The group I-based metal oxide may be included by about 3 wt % to about 10 wt % based on the total weight of the glass frit. The ZnO may be included by about 10 wt % to about 25 wt % based on the total weight of the glass frit, and the TiO2 may be included by about 0.1 wt % to about 5 wt % based on the total weight of the glass frit.

公开(公告)号：US20230312399A1

公开(公告)日：2023-10-05

申请号：US18117025

申请日：2023-03-03

Applicant: LG ELECTRONICS INC.

Inventor： Suyeon CHOI ,  Jaekyung YANG ,  Taehee KIM

IPC: C03C8/08 ,  F24C15/00

CPC classification number: C03C8/08 ,  F24C15/005

Abstract: There is disclosed a novel enamel composition that may be applied to all diverse components for a cooking appliance, with excellent cleaning performance and adhesion. The enamel composition of the present disclosure may include 10 to 25% by weight of SiO2, 15 to 30% by weight of P2O5, 1 to 15% by weight of B2O3, 10 to 25% of at least one of Na2O, Li2O and K2O, 1 to 5% by weight of NaF, 15 to 35% by weight of at least one of Al2O3, TiO2 and ZrO2, and 1 to 10% by weight of at least one of Fe2O3, Co3O4 and NiO, thereby being applicable to coating of components for a cooking appliance such as a burner cap, a grate and a griddle in which food is vulnerable to contamination and subject to thermal shock.

公开(公告)号：US20210246067A1

公开(公告)日：2021-08-12

申请号：US17049788

申请日：2019-04-17

Applicant: LG Electronics Inc.

Inventor： Suyeon CHOI ,  Young Seok KIM

IPC: C03C8/04 ,  C03C8/02 ,  C03C3/089 ,  C03C3/095 ,  C03B27/004 ,  F24C15/00

Abstract: The present invention relates to an enamel composition capable of removing sugars as well as poultry oils as contaminants at a low temperature by using a catalyst oxide, to a manufacturing method therefor, and cooking utensils. The present invention provides an enamel composition, a manufacturing method therefor, and cooking utensils, wherein the enamel composition is capable of removing sugars as well as poultry oils as contaminants at a low temperature by comprising: at least one of SiO2, B2O3, Li2O, Na2O, and K2O; and TiO2.

公开(公告)号：US20200270168A1

公开(公告)日：2020-08-27

申请号：US16795959

申请日：2020-02-20

Applicant: LG ELECTRONICS INC.

Inventor： Suyeon CHOI ,  Young Seok Kim

IPC: C03C8/06 ,  A47J36/04 ,  A47J36/02 ,  C03C17/04 ,  C03C3/068 ,  C03C3/066 ,  C03C3/115 ,  F24C15/00 ,  F24C15/02

Abstract: An enamel composition, a method for preparing an enamel composition, and a cooking appliance are provided. The enamel composition may include 15 to 50 wt % of silicon dioxide (SiO2); 1 to 10 wt % of boron oxide (B2O3); 10 to 20 wt % of at least one of lithium superoxide (Li2O), sodium oxide (Na2O), or potassium oxide (K2O); 1 to 5 wt % of sodium fluoride (NaF); 1 to 10 wt % of zinc oxide (ZnO); and 20 to 50 wt % of at least one of titanium dioxide (TiO2), molybdenum oxide (MoO3), bismuth oxide (Bi2O3), cerium dioxide (CeO2), manganese dioxide (MnO2), or Iron oxide (Fe2O3), which provides an enamel composition with a reduced cleaning time, and facilitates cleaning without soaking in water.

公开(公告)号：US20210171388A1

公开(公告)日：2021-06-10

申请号：US17117359

申请日：2020-12-10

Applicant: LG ELECTRONICS INC.

Inventor： Suyeon CHOI ,  Taeho Kim ,  Yongsoo Lee

IPC: C03C8/02 ,  F24C15/00

Abstract: A composition for enamel may include 20 to 45 wt % of SiO2; 1 to 15 wt % of B2O3, 10 to 20 wt % of one or more of Na2O, K2O, and Li2O, 1 to 5 wt % of NaF, 1 to 10 wt % of ZnO, 5 to 15 wt % of TiO2, 3 to 7 wt % of MoO3,; 5 to 15 wt % of Bi2O3, 1 to 5 wt % of CeO2, and 1 to 10 wt % of one or more of MnO2, Fe2O3, and Co3O4. The composition may be used to coat a cooking appliance for easy removal of contaminants at room temperature.

公开(公告)号：US20200148583A1

公开(公告)日：2020-05-14

申请号：US16676903

申请日：2019-11-07

Applicant: LG ELECTRONICS INC.

Inventor： Suyeon CHOI ,  Young Seok KIM

IPC: C03C8/04 ,  F24C15/00

Abstract: An enamel composition may be applied to an inner surface of cooking appliance to facilitate cleaning. The enamel composition may include: SiO2 at 25 to 50 wt %; B2O3 at 1 to 15 wt %; one or more selected from among Li2O, Na2O, K2O, and NaF at 10 to 30 wt %; ZnO at 1 to 15 wt %; MoO3 at 1 to 15 wt %; and one or more selected from among TiO2, Bi2O3, NiO, Co3O4, and CeO2 at 10 to 30 wt %.