Composition for enamel, method for preparing a composition for enamel, and cooking appliance
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United States of America Patent
Stats
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Feb 27, 2024
Grant Date -
Jun 10, 2021
app pub date -
Dec 10, 2020
filing date -
Dec 10, 2019
priority date (Note) -
In Force
status (Latency Note)
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Importance

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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.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
LG ELECTRONICS INC | YEONGDEUNGPO-GU SEOUL 150-721 |
International Classification(s)

- 2020 Application Filing Year
- C03C Class
- 883 Applications Filed
- 456 Patents Issued To-Date
- 51.65 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Choi, Suyeon | Seoul, KR | 13 | 57 |
# of filed Patents : 13 Total Citations : 57 | |||
Kim, Taeho | Seoul, KR | 334 | 2697 |
# of filed Patents : 334 Total Citations : 2697 | |||
Lee, Yongsoo | Seoul, KR | 75 | 293 |
# of filed Patents : 75 Total Citations : 293 |
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Patent Citation Ranking
- 0 Citation Count
- C03C Class
- 0 % this patent is cited more than
- 1 Age
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- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Aug 27, 2027 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Aug 27, 2031 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 27, 2035 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
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Jan 28, 2025 | P | Publication | |
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Nov 24, 2022 | P | Published | |
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Mar 09, 2022 | FEPP | FEE PAYMENT PROCEDURE | free format text: ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Jan 26, 2022 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ITO, YASUKI;SATOH, NORIYUKI;REEL/FRAME:059214/0660 Owner name: DENKA COMPANY LIMITED, JAPAN Effective Date: Jan 26, 2022 |
Sep 09, 2020 | F | Filing | |
Sep 10, 2019 | PD | Priority Date |

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