Process for the preparation of colesevelam hydrochloride
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United States of America Patent
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Oct 25, 2016
Issued Date -
N/A
app pub date -
Sep 18, 2014
filing date -
Sep 19, 2013
priority date (Note) -
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Abstract
A novel process of manufacturing colesevelam hydrochloride including the steps of alkylating polyallylamine with n-decylbromide and 6-bromohexyl trimethyl ammonium bromide, followed by cross-linking the alkylated polyallylamine with epichlorohydrin in an aqueous medium, and adding a suitable chloride ion source to obtain colesevelam hydrochloride.
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International Classification(s)
- 2014 Application Filing Year
- A61K Class
- 14144 Applications Filed
- 11600 Patents Issued To-Date
- 82.02 % Issued To-Date
Cited Art Landscape
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- 0 Citation Count
- A61K Class
- 0 % this patent is cited more than
- 9 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 25, 2028 |
