Last Updated: August 9, 2026

Details for Patent: 4,918,179

Name: Drug Patent Intelligence for US Patent 4918179
Creator: DrugPatentWatch
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Summary for Patent: 4,918,179

Title:	2'-fluoro-arabinofuranosyl purine nucleosides
Abstract:	2'-Deoxy-2'-fluoro- beta -D-arabinofuranosyl nucleosides of the following structure are disclosed: I wherein X and Y are the same or different and are hydrogen, OR3, SR3, NR3N4 or NHacyl wherein R3 and R4 are the same or different and are hydrogen, lower alkyl of 1 to 7 carbon atoms, aralkyl, or aryl; NHacyl is alkanoyl or aroylamide; R1 and R2 are the same or different and are hydrogen, acyl or aroyl.
Inventor(s):	Kyoichi A. Watanabe, Chung K. Chu, Jack J. Fox
Assignee:	Memorial Sloan Kettering Cancer Center
Application Number:	US07/189,148
Patent Claim Types: see list of patent claims	Compound;

Drugs Protected by US Patent 4,918,179

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

International Family Members for US Patent 4,918,179

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	0219829	⤷ Start Trial	06C0029	France	⤷ Start Trial
European Patent Office	0219829	⤷ Start Trial	SPC/GB06/034	United Kingdom	⤷ Start Trial
Canada	1271192	⤷ Start Trial
Germany	122006000056	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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