Wednesday, July 8, 2026

Patent intelligence · US

US 9975983

Bio-reducible self-assembled liquid crystalline block copolymer for drug delivery

granted A61KA61K31/704A61K9/5138A61K9/5146
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 12
Applicant portfolio 179
Patent details — US 9975983
Jurisdiction
US
Status
granted
Grant date
May 22, 2018
Expiration
May 17, 2038
Claims
20
CPC classes
A61K, A61K31/704, A61K9/5138, A61K9/5146
View on Google Patents ↗

Quick answer

US 9975983 (Bio-reducible self-assembled liquid crystalline block copolymer for drug delivery) is held by UNIVERSITY OF CONNECTICUT. Status: granted. Granted May 22, 2018. Expires May 17, 2038 (12 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
20
CPC classes
A61K, A61K31/704, A61K9/5138, A61K9/5146, A61K9/5192, A61P

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Frequently asked questions

What is US patent 9975983?

US 9975983 (Bio-reducible self-assembled liquid crystalline block copolymer for drug delivery) is held by UNIVERSITY OF CONNECTICUT. Status: granted. Granted May 22, 2018. Expires May 17, 2038 (12 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9975983?

UNIVERSITY OF CONNECTICUT is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 179 pharmaceutical patents for this assignee.

When does US 9975983 expire?

Our index shows an expiration date of May 17, 2038 (12 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.