Patent intelligence · US
US 11253504
Compositions of a polyorthoester and an aprotic solvent
Compositions of a polyorthoester and an aprotic solvent
Patent details — US 11253504
- Jurisdiction
- US
- Status
- granted
- Grant date
- Feb 22, 2022
- Expiration
- Feb 17, 2042
- Applicant
- Heron Therapeutics, Inc.
- Claims
- 15
- CPC classes
- A61K, A61K31/439, A61K31/445, A61K31/4458
Quick answer
US 11253504 (Compositions of a polyorthoester and an aprotic solvent) is held by Heron Therapeutics, Inc.. Status: granted. Granted Feb 22, 2022. Expires Feb 17, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- Heron Therapeutics, Inc.
- Grant date
- Expiration
- Claims
- 15
- CPC classes
- A61K, A61K31/439, A61K31/445, A61K31/4458, A61K31/485, A61K47/10
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Frequently asked questions
What is US patent 11253504?
US 11253504 (Compositions of a polyorthoester and an aprotic solvent) is held by Heron Therapeutics, Inc.. Status: granted. Granted Feb 22, 2022. Expires Feb 17, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 11253504?
Heron Therapeutics, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 46 pharmaceutical patents for this assignee.
When does US 11253504 expire?
Our index shows an expiration date of Feb 17, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.