Wednesday, July 8, 2026

Patent intelligence · US

US 7312301

Methods for the formation of hydrogels using thiosulfonate compositions and uses thereof

granted A61KA61K47/60A61PA61P29/00
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 1
Applicant portfolio 423
Patent details — US 7312301

Quick answer

US 7312301 (Methods for the formation of hydrogels using thiosulfonate compositions and uses thereof) is held by Nektar Therapeutics AL, Corporation. Status: granted. Granted Dec 25, 2007. Expires Dec 20, 2027 (1 year remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
12
CPC classes
A61K, A61K47/60, A61P, A61P29/00

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Frequently asked questions

What is US patent 7312301?

US 7312301 (Methods for the formation of hydrogels using thiosulfonate compositions and uses thereof) is held by Nektar Therapeutics AL, Corporation. Status: granted. Granted Dec 25, 2007. Expires Dec 20, 2027 (1 year remaining) — relevant for patent-cliff and LOE planning.

Who owns US 7312301?

Nektar Therapeutics AL, Corporation is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 423 pharmaceutical patents for this assignee.

When does US 7312301 expire?

Our index shows an expiration date of Dec 20, 2027 (1 year from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.