Patent intelligence · US
US 6113941
Substained release microcapsule of physiologically active compound which is slightly water soluble at pH 6 to 8
Substained release microcapsule of physiologically active compound which is slightly water soluble at pH 6 to 8
Patent details — US 6113941
- Jurisdiction
- US
- Status
- expired
- Grant date
- Sep 5, 2000
- Expiration
- Aug 31, 2020
- Applicant
- Takeda Chemical Industries Ltd.
- Claims
- 20
- CPC classes
- A61K, A61K31/4164, A61K31/4184, A61K31/4192
Quick answer
US 6113941 (Substained release microcapsule of physiologically active compound which is slightly water soluble at pH 6 to 8) is held by Takeda Chemical Industries Ltd.. Status: expired. Granted Sep 5, 2000. Expires Aug 31, 2020 (0 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- Takeda Chemical Industries Ltd.
- Grant date
- Expiration
- Claims
- 20
- CPC classes
- A61K, A61K31/4164, A61K31/4184, A61K31/4192, A61K31/4196, A61K9/1647
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Frequently asked questions
What is US patent 6113941?
US 6113941 (Substained release microcapsule of physiologically active compound which is slightly water soluble at pH 6 to 8) is held by Takeda Chemical Industries Ltd.. Status: expired. Granted Sep 5, 2000. Expires Aug 31, 2020 (0 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 6113941?
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 6113941 expire?
Our index shows an expiration date of Aug 31, 2020 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.