Patent intelligence · US
US 8431543
Chitosan based polymer conjugate and a method for producing the same
Chitosan based polymer conjugate and a method for producing the same
Patent details — US 8431543
- Jurisdiction
- US
- Status
- granted
- Grant date
- Apr 30, 2013
- Expiration
- Apr 25, 2033
- Applicant
- ENGENE, INC.
- Claims
- 20
- CPC classes
- A61K, A61K47/36, A61K9/5161, A61P
Quick answer
US 8431543 (Chitosan based polymer conjugate and a method for producing the same) is held by ENGENE, INC.. Status: granted. Granted Apr 30, 2013. Expires Apr 25, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- ENGENE, INC.
- Grant date
- Expiration
- Claims
- 20
- CPC classes
- A61K, A61K47/36, A61K9/5161, A61P, A61P43/00
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Frequently asked questions
What is US patent 8431543?
US 8431543 (Chitosan based polymer conjugate and a method for producing the same) is held by ENGENE, INC.. Status: granted. Granted Apr 30, 2013. Expires Apr 25, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 8431543?
ENGENE, INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 53 pharmaceutical patents for this assignee.
When does US 8431543 expire?
Our index shows an expiration date of Apr 25, 2033 (7 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.