US 9216971
Quaternary ammonium compounds useful as muscarinic receptor antagonists
granted A61PA61P11/00A61P11/06
Quick answer
US patent 9216971 (Quaternary ammonium compounds useful as muscarinic receptor antagonists) held by Theravance Biopharma R&D IP, LLC expires Mon Dec 17 2035 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- Theravance Biopharma R&D IP, LLC
- Grant date
- Tue Dec 22 2015 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Dec 17 2035 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 6
- CPC classes
- A61P, A61P11/00, A61P11/06, A61P11/08, A61P43/00