Last Updated: November 10, 2026

Details for Patent: 12,350,377

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Which drugs does patent 12,350,377 protect, and when does it expire?

Patent 12,350,377 protects SYMPROIC and is included in one NDA.

This patent has nine patent family members in eight countries.

Summary for Patent: 12,350,377
Title:Preparation containing 6,7-unsaturated-7-carbamoyl morphinan derivatives
Abstract:The solid preparation which improved the dissolution profile and the stability of the 6,7-unsaturation-7-carbamoyl morphinan derivative is provided. When 6,7-unsaturation-7-carbamoyl morphinan derivative, croscarmellose sodium and ferric oxide were contained, not titanium oxide in the solid preparations and the coating solid preparations, a dissolution rate after 15 minutes of the dissolution test is more than 85%, and stability, particularly, light stability can be improve.
Inventor(s):Akira Mashimo, Shunji Ichio, Yoshinori Tamura, Kouichi Noguchi
Assignee: Shionogi and Co Ltd
Application Number:US17/156,892
Patent Claim Types:
see list of patent claims
Use; Formulation;

Drugs Protected by US Patent 12,350,377

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Bdsi SYMPROIC naldemedine tosylate TABLET;ORAL 208854-001 Mar 23, 2017 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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