🇺🇸 FDA
Patent

US 6958345

2-hydroxymethylcyclopropylidene methylpurines and -pyrimidines as antiviral agents

expired A61PA61P31/12A61P31/18

Quick answer

US patent 6958345 (2-hydroxymethylcyclopropylidene methylpurines and -pyrimidines as antiviral agents) held by THE REGENTS OF THE UNIVERSITY OF MICHIGAN expires Mon Oct 20 2025 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.

Key facts

Applicant
THE REGENTS OF THE UNIVERSITY OF MICHIGAN
Grant date
Tue Oct 25 2005 00:00:00 GMT+0000 (Coordinated Universal Time)
Expiration
Mon Oct 20 2025 00:00:00 GMT+0000 (Coordinated Universal Time)
Claims
15
CPC classes
A61P, A61P31/12, A61P31/18, A61P31/20, A61P31/22