Derivatives of Betulin
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Aug 6, 2015
app pub date -
Dec 14, 2012
filing date -
Dec 16, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to compounds characterized by having a structure according to the following Formula I:
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
GLAXOSMITHKLINE LLC | ONE FRANKLIN PLAZA 200 NORTH 16TH STREET PHILADELPHIA PA 19102 |
International Classification(s)

- 2012 Application Filing Year
- A61K Class
- 11964 Applications Filed
- 9694 Patents Issued To-Date
- 81.03 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Hatcher, Mark Andrew | Research Triangle Park, US | 4 | 3 |
# of filed Patents : 4 Total Citations : 3 | |||
Johns, Brian Alvin | Research Triangle Park, US | 50 | 391 |
# of filed Patents : 50 Total Citations : 391 | |||
Martin, Michael Tolar | Research Triangle Park, US | 21 | 84 |
# of filed Patents : 21 Total Citations : 84 | |||
Tabet, Elie Amine | Research Triangle Park, US | 4 | 3 |
# of filed Patents : 4 Total Citations : 3 | |||
Tang, Jun | Research Triangle Park, US | 163 | 1392 |
# of filed Patents : 163 Total Citations : 1392 |
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Patent Citation Ranking
- 1 Citation Count
- A61K Class
- 31.06 % this patent is cited more than
- 10 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 6, 2027 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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
US Patent Application No: 2015/0105,563
NOVEL ORGANIC ELECTROLUMINESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
Abstract
The present invention relates to novel organic electroluminescent compounds and an organic electroluminescent device containing the same. The organic electroluminescent compounds according to the present invention can be used as a phosphorescent host material, a hole transport material, or a mixed host material; have a good hole transport ability; prevent crystallization in the production of the device; are suitable for forming a layer; and improve the current density of the device thereby reducing the driving voltage of the device.
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