Water-soluble coating composition for surface protection of nuclear fuel rod
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jun 5, 2018
Issued Date -
N/A
app pub date -
Nov 19, 2015
filing date -
Jan 23, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed is a water-soluble coating composition, which is applied on the surface of fuel rods to prevent scratching of the surface of the fuel rods upon manufacturing a nuclear fuel assembly for light water reactors. This water-soluble coating composition facilitates the formation and removal of a coating film and the resulting coating film can exhibit strength and durability equivalent to those of an existing lacquer (nitrocellulose) coating film, and can thus be used as an alternative to lacquer, thereby easily removing the coating film and improving workplace safety, ultimately achieving improvements in the working environment and high workplace safety.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
KEPCO NUCLEAR FUEL CO LTD | DAEJEON 34057 |
International Classification(s)

- 2015 Application Filing Year
- G21F Class
- 134 Applications Filed
- 98 Patents Issued To-Date
- 73.14 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Chung, Keunwoo | Chungcheongnam-do, KR | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 | |||
Han, Sangjae | Daejeon, KR | 10 | 31 |
# of filed Patents : 10 Total Citations : 31 | |||
Hong, Jongsung | Daejeon, KR | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 | |||
Kim, Young-Wun | Daejeon, KR | 3 | 2 |
# of filed Patents : 3 Total Citations : 2 | |||
Kong, Sang Pil | Daejeon, KR | 2 | 5 |
# of filed Patents : 2 Total Citations : 5 | |||
Lee, Sangbong | Daejeon, KR | 30 | 158 |
# of filed Patents : 30 Total Citations : 158 | |||
Lee, Ui Jae | Daejeon, KR | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 | |||
Oh, Myoungho | Daejeon, KR | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 | |||
Park, Sung Jun | Daejeon, KR | 551 | 10774 |
# of filed Patents : 551 Total Citations : 10774 | |||
Shin, Eun Woo | Daejeon, KR | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 | |||
Shin, Gui In | Daejeon, KR | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- G21F Class
- 0 % this patent is cited more than
- 7 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Dec 5, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 5, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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
Date | Code | Event | Description |
---|---|---|---|
Mar 02, 2015 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Feb 01, 2015 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Feb 01, 2015 |
Feb 01, 2015 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Sep 12, 2014 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Feb 01, 2011 | I | Issuance | |
Aug 24, 2010 | F | Filing | |
Apr 14, 2010 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BAI, YUNG-HSIANG;LIAO, YU-FEN;CHEN, YI-JIN;AND OTHERS;REEL/FRAME:024928/0722 Owner name: EVERLIGHT USA, INC., NORTH CAROLINA Effective Date: Apr 14, 2010 |
Sep 03, 2009 | PD | Priority Date |

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