Patent intelligence · US
US 6197350
Method of producing a sustained-release preparation
Method of producing a sustained-release preparation
Patent details — US 6197350
- Jurisdiction
- US
- Status
- expired
- Grant date
- Mar 6, 2001
- Expiration
- Mar 1, 2021
- Applicant
- Takeda Chemical Industries Ltd.
- Claims
- 11
- CPC classes
- A61K, A61K38/27, A61K9/143, A61K9/146
Quick answer
US 6197350 (Method of producing a sustained-release preparation) is held by Takeda Chemical Industries Ltd.. Status: expired. Granted Mar 6, 2001. Expires Mar 1, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- Takeda Chemical Industries Ltd.
- Grant date
- Expiration
- Claims
- 11
- CPC classes
- A61K, A61K38/27, A61K9/143, A61K9/146, A61K9/1611, A61K9/1647
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Frequently asked questions
What is US patent 6197350?
US 6197350 (Method of producing a sustained-release preparation) is held by Takeda Chemical Industries Ltd.. Status: expired. Granted Mar 6, 2001. Expires Mar 1, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 6197350?
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 6197350 expire?
Our index shows an expiration date of Mar 1, 2021 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.