🇺🇸 FDA
Patent

US 10450280

Tetrazolones as a carboxylic acid bioisosteres

granted A61KA61K31/41A61K31/4155

Quick answer

US patent 10450280 (Tetrazolones as a carboxylic acid bioisosteres) held by Rigel Pharmaceuticals, Inc. expires Mon Oct 17 2039 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.

Key facts

Applicant
Rigel Pharmaceuticals, Inc.
Grant date
Tue Oct 22 2019 00:00:00 GMT+0000 (Coordinated Universal Time)
Expiration
Mon Oct 17 2039 00:00:00 GMT+0000 (Coordinated Universal Time)
Claims
7
CPC classes
A61K, A61K31/41, A61K31/4155, A61K31/4184, A61K31/4245