πŸ‡ΊπŸ‡Έ FDA
Patent

US 9644224

Methods for cyclizing synthetic polymers

granted A61KA61K38/00

Quick answer

US patent 9644224 (Methods for cyclizing synthetic polymers) held by Rigel Pharmaceuticals, Inc. expires Mon May 04 2037 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.

Key facts

Applicant
Rigel Pharmaceuticals, Inc.
Grant date
Tue May 09 2017 00:00:00 GMT+0000 (Coordinated Universal Time)
Expiration
Mon May 04 2037 00:00:00 GMT+0000 (Coordinated Universal Time)
Claims
9
CPC classes
A61K, A61K38/00