Patent intelligence · US
US 8299173
Method involving 1-benzotriazolyl carbonate esters of polymers
Method involving 1-benzotriazolyl carbonate esters of polymers
Patent details — US 8299173
- Jurisdiction
- US
- Status
- granted
- Grant date
- Oct 30, 2012
- Expiration
- Oct 25, 2032
- Applicant
- Nektar Therapeutics
- Claims
- 7
- CPC classes
- A61K, A61K31/7088, A61K47/58, A61K47/60
Quick answer
US 8299173 (Method involving 1-benzotriazolyl carbonate esters of polymers) is held by Nektar Therapeutics. Status: granted. Granted Oct 30, 2012. Expires Oct 25, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- Nektar Therapeutics
- Grant date
- Expiration
- Claims
- 7
- CPC classes
- A61K, A61K31/7088, A61K47/58, A61K47/60, A61K47/6901, A61P
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Frequently asked questions
What is US patent 8299173?
US 8299173 (Method involving 1-benzotriazolyl carbonate esters of polymers) is held by Nektar Therapeutics. Status: granted. Granted Oct 30, 2012. Expires Oct 25, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 8299173?
Nektar Therapeutics is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 423 pharmaceutical patents for this assignee.
When does US 8299173 expire?
Our index shows an expiration date of Oct 25, 2032 (6 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.