Dissolution test for sensitive drugs
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United States of America Patent
Stats
-
Mar 30, 2021
Grant Date -
Apr 4, 2019
app pub date -
Oct 28, 2018
filing date -
Oct 28, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and apparatus for drug dissolution testing may include an overflow vessel with an overflow outlet port at a predetermined height from a bottom of the overflow vessel, a first water bath submerging the overflow vessel and configured to keep a temperature of the overflow vessel at a first predetermined temperature, a pressurized vessel containing a dissolution medium, a second water bath submerging the pressurized vessel and configured to keep the dissolution medium at a second predetermined temperature, a dissolution medium path with an output end connected in fluid communication with the flow cell and an input end attached in fluid communication to the pressurized vessel, where the dissolution medium path may transfer the dissolution medium from the pressurized vessel into the flow cell, a collection vessel connected to the overflow outlet port of the flow cell, and a third water bath submerging the collection vessel and configured to keep the collection vessel at a third predetermined temperature.
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- B01L Class
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Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Sep 30, 2028 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 30, 2032 |
