Last Updated: November 13, 2026

Details for Patent: 7,919,118

Name: Drug Patent Intelligence for US Patent 7919118
Creator: DrugPatentWatch
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Summary for Patent: 7,919,118

Title:	Spacer moiety for poly (ethylene glycol) modified peptide based compounds
Abstract:	The present invention relates to a compound comprising a peptide moiety, a spacer moiety and a water-soluble polymer moiety such as a poly(ethylene glycol) moiety. The spacer moiety is between the peptide moiety and the water-soluble polymer moiety. The spacer moiety has the structure: —NH—(CH2)α—[O—(CH2)β]γ—Oδ—(CH2)ε—Y— wherein α, β, γ, δ, and ε are each integers whose values are independently selected.
Inventor(s):	Christopher P. Holmes, Qun Yin, David Tumelty
Assignee:	Affymax Inc
Application Number:	US10/555,860
Patent Claim Types: see list of patent claims	Composition; Compound;

Drugs Protected by US Patent 7,919,118

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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

Foreign Priority and PCT Information for Patent: 7,919,118

PCT Information
PCT Filed	May 12, 2004	PCT Application Number:	PCT/US2004/014887
PCT Publication Date:	November 25, 2004	PCT Publication Number:	WO2004/100997

International Family Members for US Patent 7,919,118

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	2004238364	⤷ Start Trial
Brazil	PI0411166	⤷ Start Trial
Canada	2525399	⤷ Start Trial
China	1849141	⤷ Start Trial
Eurasian Patent Organization	010015	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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