🇺🇸 FDA
Patent

US 9701647

Tetrazolones as a carboxylic acid bioisosteres

granted A61KA61K31/41A61K31/4155

Quick answer

US patent 9701647 (Tetrazolones as a carboxylic acid bioisosteres) held by Rigel Pharmaceuticals, Inc. expires Mon Jul 06 2037 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.

Key facts

Applicant
Rigel Pharmaceuticals, Inc.
Grant date
Tue Jul 11 2017 00:00:00 GMT+0000 (Coordinated Universal Time)
Expiration
Mon Jul 06 2037 00:00:00 GMT+0000 (Coordinated Universal Time)
Claims
5
CPC classes
A61K, A61K31/41, A61K31/4155, A61K31/4184, A61K31/4245