US 8378121
Quaternary ammonium diphenylmethyl compounds useful as muscarinic receptor antagonists
granted A61PA61P11/00A61P11/06
Quick answer
US patent 8378121 (Quaternary ammonium diphenylmethyl compounds useful as muscarinic receptor antagonists) held by Theravance, Inc. expires Mon Feb 14 2033 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- Theravance, Inc.
- Grant date
- Tue Feb 19 2013 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Feb 14 2033 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 39
- CPC classes
- A61P, A61P11/00, A61P11/06, A61P11/08, A61P43/00