Patent intelligence · US
US 6696500
Sustained-release preparation
Sustained-release preparation
Patent details — US 6696500
- Jurisdiction
- US
- Status
- expired
- Grant date
- Feb 24, 2004
- Expiration
- Feb 19, 2024
- Applicant
- Takeda Chemical Industries Ltd.
- Claims
- 1
- CPC classes
- A61K, A61K47/593, A61K9/1647
Quick answer
US 6696500 (Sustained-release preparation) is held by Takeda Chemical Industries Ltd.. Status: expired. Granted Feb 24, 2004. Expires Feb 19, 2024 (0 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- Takeda Chemical Industries Ltd.
- Grant date
- Expiration
- Claims
- 1
- CPC classes
- A61K, A61K47/593, A61K9/1647
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Frequently asked questions
What is US patent 6696500?
US 6696500 (Sustained-release preparation) is held by Takeda Chemical Industries Ltd.. Status: expired. Granted Feb 24, 2004. Expires Feb 19, 2024 (0 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 6696500?
Takeda Chemical Industries Ltd. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 1,436 pharmaceutical patents for this assignee.
When does US 6696500 expire?
Our index shows an expiration date of Feb 19, 2024 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.