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US Patent 11072614 Polymorphs of sepiapterin and salts thereof

Patent 11072614 was granted and assigned to PTC Therapeutics on July, 2021 by the United States Patent and Trademark Office.

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Patent abstract

Disclosed are crystalline forms of sepiapterin free base selected from polymorphs A, B, C, D, E, F, and G, and combinations thereof, as well as crystalline polymorphs of salts of sepiapterin. Also disclosed are pharmaceutical compositions containing one or more such polymorphs and methods for preparing such polymorphs. Sepiapterin is useful in the treatment of a number diseases associated with low cellular levels of BH4, for example, phenylketonuria.

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Patent Inventor Names
Daniel E. Levy0
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Patent Citations Received
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US Patent 11773097 Polymorphs of sepiapterin and salts thereof
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Patent Citations Received
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US Patent 11752154 Pharmaceutical compositions comprising sepiapterin and uses thereof
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=110726140
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Patent Citations Received
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US Patent 11617752 Methods for increasing sepiapterin plasma exposure
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Infobox
Is a
Patent
Patent
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Patent Applicant
PTC Therapeutics
PTC Therapeutics
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Current Assignee
PTC Therapeutics
PTC Therapeutics
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
110726140
Date of Patent
July 27, 2021
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Patent Application Number
164647710
Date Filed
November 28, 2017
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=110726140
Patent Primary Examiner
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Bruck Kifle
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=11072614
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 US Patent 11072614 Polymorphs of sepiapterin and salts thereof

Infobox
Is a
Patent
Patent
Patent applicant
PTC Therapeutics
PTC Therapeutics
Current assignee
PTC Therapeutics
PTC Therapeutics
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
11072614
Date of patent
July 27, 2021
Patent application number
16464771
Date Filed
November 28, 2017
Patent primary examiner
‌
Bruck Kifle

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