Patent intelligence · US
US 11535684
Chitosan derivatives and methods for preparing the same
Chitosan derivatives and methods for preparing the same
Patent details — US 11535684
- Jurisdiction
- US
- Status
- granted
- Grant date
- Dec 27, 2022
- Expiration
- Dec 22, 2042
- Applicant
- PRIMEX EHF
- Claims
- 12
- CPC classes
- A61K, A61K31/722
Quick answer
US 11535684 (Chitosan derivatives and methods for preparing the same) is held by PRIMEX EHF. Status: granted. Granted Dec 27, 2022. Expires Dec 22, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- PRIMEX EHF
- Grant date
- Expiration
- Claims
- 12
- CPC classes
- A61K, A61K31/722
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Frequently asked questions
What is US patent 11535684?
US 11535684 (Chitosan derivatives and methods for preparing the same) is held by PRIMEX EHF. Status: granted. Granted Dec 27, 2022. Expires Dec 22, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 11535684?
PRIMEX EHF is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 127 pharmaceutical patents for this assignee.
When does US 11535684 expire?
Our index shows an expiration date of Dec 22, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.