πŸ‡ΊπŸ‡Έ FDA
Patent

US 9221858

Sialic acid analogs

granted A61PA61P21/00

Quick answer

US patent 9221858 (Sialic acid analogs) held by Ultragenyx Pharmaceutical Inc. expires Mon Dec 24 2035 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.

Key facts

Applicant
Ultragenyx Pharmaceutical Inc.
Grant date
Tue Dec 29 2015 00:00:00 GMT+0000 (Coordinated Universal Time)
Expiration
Mon Dec 24 2035 00:00:00 GMT+0000 (Coordinated Universal Time)
Claims
35
CPC classes
A61P, A61P21/00