Wednesday, July 8, 2026

Patent intelligence · US

US 10668021

Metformin hydrochloride osmotic pump tablet and preparation method therefor

granted A61KA61K31/155A61K9/0004A61K9/2018
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 14
Applicant portfolio 26
Patent details — US 10668021
Jurisdiction
US
Status
granted
Grant date
Jun 2, 2020
Expiration
May 28, 2040
Claims
16
CPC classes
A61K, A61K31/155, A61K9/0004, A61K9/2018
View on Google Patents ↗

Quick answer

US 10668021 (Metformin hydrochloride osmotic pump tablet and preparation method therefor) is held by ELITE PHARMA TECHNOLOGY (SHANGHAI) CO., LTD.. Status: granted. Granted Jun 2, 2020. Expires May 28, 2040 (14 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
16
CPC classes
A61K, A61K31/155, A61K9/0004, A61K9/2018, A61K9/2027, A61K9/2031

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Frequently asked questions

What is US patent 10668021?

US 10668021 (Metformin hydrochloride osmotic pump tablet and preparation method therefor) is held by ELITE PHARMA TECHNOLOGY (SHANGHAI) CO., LTD.. Status: granted. Granted Jun 2, 2020. Expires May 28, 2040 (14 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 10668021?

ELITE PHARMA TECHNOLOGY (SHANGHAI) CO., LTD. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 26 pharmaceutical patents for this assignee.

When does US 10668021 expire?

Our index shows an expiration date of May 28, 2040 (14 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.