US 8592453
Quaternary ammonium diphenylmethyl compounds useful as muscarinic receptor antagonists
granted A61PA61P11/00A61P11/06
Quick answer
US patent 8592453 (Quaternary ammonium diphenylmethyl compounds useful as muscarinic receptor antagonists) held by Theravance, Inc. expires Mon Nov 21 2033 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- Theravance, Inc.
- Grant date
- Tue Nov 26 2013 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Nov 21 2033 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 39
- CPC classes
- A61P, A61P11/00, A61P11/06, A61P11/08, A61P43/00