Process for preparation of diethylenetriaminepentaacetic acid derivative, and diethylenetriaminepentaacetic acid derivative
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United States of America Patent
Stats
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Jul 16, 2013
Grant Date -
Aug 9, 2012
app pub date -
Sep 22, 2010
filing date -
Oct 15, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The objective of the present invention is to provide a process for simple and efficient preparation of an intermediate compound to synthesize a gadolinium complex having a substituent for improving a retention property in blood time and specificity to an intended organ. The objective of the present invention is also to provide an intermediate compound produced by the said production process. The process for preparation of the diethylenetriaminepentaacetic acid derivative (I):
First Claim
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International Classification(s)
- 2010 Application Filing Year
- C07C Class
- 2897 Applications Filed
- 1740 Patents Issued To-Date
- 60.07 % Issued To-Date
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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 | Jan 16, 2025 |
