Wednesday, July 8, 2026

Patent intelligence · US

US 8772258

Single walled carbon nanotube/sirna complexes and methods related thereto

granted A61KA61K47/6925A61K9/0019A61K9/0092
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 8
Applicant portfolio 2
Patent details — US 8772258
Jurisdiction
US
Status
granted
Grant date
Jul 8, 2014
Expiration
Jul 3, 2034
Claims
12
CPC classes
A61K, A61K47/6925, A61K9/0019, A61K9/0092
View on Google Patents ↗

Quick answer

US 8772258 (Single walled carbon nanotube/sirna complexes and methods related thereto) is held by Ensysce Biosciences Inc.. Status: granted. Granted Jul 8, 2014. Expires Jul 3, 2034 (8 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
12
CPC classes
A61K, A61K47/6925, A61K9/0019, A61K9/0092, A61P, A61P35/00

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Frequently asked questions

What is US patent 8772258?

US 8772258 (Single walled carbon nanotube/sirna complexes and methods related thereto) is held by Ensysce Biosciences Inc.. Status: granted. Granted Jul 8, 2014. Expires Jul 3, 2034 (8 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8772258?

Ensysce Biosciences Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 2 pharmaceutical patents for this assignee.

When does US 8772258 expire?

Our index shows an expiration date of Jul 3, 2034 (8 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.