Processes for Preparing N-Acetylcolchinol & Intermediates Used in Such Processes
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 -
Nov 29, 2007
app pub date -
Dec 21, 2004
filing date -
Dec 23, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A process for the preparation of ZD6126 Phenol: from allocolchicine or an ester derivative thereof of formula (I), or from a ZD6126 Alcohol of the Formula (II): wherein R.sup.1 and R.sup.2 are as defined in the description. Also claimed are intermediates, processes for their preparation and the use of the intermediates in the manufacture of ZD6126 Phenol.
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 | |
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ANGIOGENE PHARMACEUTICALS LIMITED | OXFORD |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Evans, Matthew | Cheshire, GB | 52 | 209 |
# of filed Patents : 52 Total Citations : 209 | |||
Leonard, John | Cheshire, GB | 58 | 653 |
# of filed Patents : 58 Total Citations : 653 | |||
Lilley, Timothy J | Cheshire, GB | 3 | 44 |
# of filed Patents : 3 Total Citations : 44 | |||
Whittall, John | Cheshire, GB | 6 | 320 |
# of filed Patents : 6 Total Citations : 320 |
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Patent Citation Ranking
- 1 Citation Count
- C07C Class
- 17.86 % this patent is cited more than
- 18 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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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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