Wednesday, July 8, 2026

Patent intelligence · US

US 6133343

Resinous composition for dental use

expired A61KA61K6/887
Status expired
Linked drugs 1
Pipeline programs 6
Years to expiry 0
Applicant portfolio 132
Patent details — US 6133343

Quick answer

US 6133343 (Resinous composition for dental use) is held by KURARAY CO., LTD.. Status: expired. Granted Oct 17, 2000. Expires Oct 12, 2020 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Applicant
KURARAY CO., LTD.
Grant date
Expiration
Claims
17
CPC classes
A61K, A61K6/887

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Frequently asked questions

What is US patent 6133343?

US 6133343 (Resinous composition for dental use) is held by KURARAY CO., LTD.. Status: expired. Granted Oct 17, 2000. Expires Oct 12, 2020 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6133343?

KURARAY CO., LTD. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 132 pharmaceutical patents for this assignee.

When does US 6133343 expire?

Our index shows an expiration date of Oct 12, 2020 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.