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Details for Patent: 8,859,623

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Patent 8,859,623 protects PHENYLEPHRINE HYDROCHLORIDE and is included in one NDA.

This patent has one patent family member in one country.

Summary for Patent: 8,859,623

Title:Methods and compositions of stable phenylephrine formulations
Abstract: The invention is directed to methods and compositions of stabilizing phenylephrine formations. The composition has good time-dependent stability at low temperature and has no change in its outward appearance even after having been stored at least 6 months.
Inventor(s): Witham; Patrick H. (Eugene, OR), Machiraju; Sailaja (Beaverton, OR), Bluett; Lauren Mackensie-Clark (Milwaukie, OR)
Assignee: Paragon Bioteck, Inc. (Portland, OR)
Application Number:14/080,771
Patent Claim Types:
see list of patent claims
Use; Composition;
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 0th percentile
Forward Citations: 0th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Paragon Bioteck
PHENYLEPHRINE HYDROCHLORIDE
phenylephrine hydrochloride
SOLUTION/DROPS;OPHTHALMIC203510-001Mar 21, 2013RXYes8,859,623► subscribe DILATION OF THE PUPIL
Paragon Bioteck
PHENYLEPHRINE HYDROCHLORIDE
phenylephrine hydrochloride
SOLUTION/DROPS;OPHTHALMIC203510-002Mar 21, 2013RXYes8,859,623► subscribe DILATION OF THE PUPIL
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International Patent Family for Patent: 8,859,623

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
World Intellectual Property Organization (WIPO)2015073696► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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