US Patent 7982056 Substantially pure fluorescein
Patent 7982056 was granted and assigned to Alcon on July, 2011 by the United States Patent and Trademark Office.
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Patent abstract
The present invention is directed to an improved process for producing substantially pure fluorescein, as well as to substantially pure fluorescein compositions prepared by the process. The invention is particularly directed to the provision of pharmaceutical compositions for use in angiography. The substantially pure fluorescein produced by the process of the present invention is low in color, low in sodium chloride content, and substantially free of pyridine.
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US Patent 07982056 Substantially pure fluorescein US Patent 7982056 Substantially pure fluorescein
Infobox
Patent Number
0798205600
Patent Number
798205600
Edits on 29 Apr, 2023
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
079820560
Date of Patent
July 19, 2011
0Patent Application Number
119499220
Date Filed
December 4, 2007
0Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
079820560
Date of Patent
July 19, 2011
0Patent Application Number
119499220
Date Filed
December 4, 2007
0Patent Primary Examiner
Edits on 8 Dec, 2021
Golden AI
Edits made to:
Infobox (+8 properties)
US Patent 07982056 Substantially pure fluorescein
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07982056
Date of patent
July 19, 2011
Patent application number
11949922
Date Filed
December 4, 2007
Patent primary examiner
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