Compounds, sensors, methods, and systems for detecting gamma radiation
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United States of America Patent
Stats
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Sep 27, 2016
Grant Date -
Apr 30, 2015
app pub date -
May 24, 2013
filing date -
May 24, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods, compositions, and systems for detecting gamma radiation is disclosed and described. A compound for detecting gamma radiation can comprise a conjugated imidazole having the following structure: [Formula I] where at least one of R1, R2, and R3 are conjugated organic groups. Additionally, the conjugated imidazole can be capable of reacting with a radical or ion formed by the reaction of gamma radiation with a radical generating component such as a halogen solvent to decrease a molar extinction coefficient of the conjugated imidazole in the visible light region or to quench fluorescence of the conjugated imidazole. As a sensor (100), a radiation detection indicator (108) can indicate the change in molar extinction coefficient or fluorescence of the conjugated imidazole material (120) upon exposure to gamma radiation.
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 | |
---|---|---|
UNIVERSITY OF UTAH | 201 S PRESIDENTS CIRCLE SALT LAKE CITY UT 84112 |
International Classification(s)

- 2013 Application Filing Year
- B82Y Class
- 1156 Applications Filed
- 1150 Patents Issued To-Date
- 99.49 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Han, Jimin | Salt Lake City, US | 19 | 45 |
# of filed Patents : 19 Total Citations : 45 | |||
Miao, Xu | Salt Lake City, US | 17 | 394 |
# of filed Patents : 17 Total Citations : 394 | |||
Zang, Ling | Salt Lake City, US | 29 | 147 |
# of filed Patents : 29 Total Citations : 147 |
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Patent Citation Ranking
- 3 Citation Count
- B82Y Class
- 0 % this patent is cited more than
- 9 Age
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- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 27, 2028 |
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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 |
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Legal Events
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Jun 14, 2021 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
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Apr 19, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
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Aug 25, 2016 | P | Published | |
Aug 28, 2015 | F | Filing | |
Aug 18, 2015 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NAGAMUNE, YASUSHI;REEL/FRAME:036448/0489 Owner name: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE Effective Date: Aug 18, 2015 |
Mar 12, 2013 | PD | Priority Date |

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