US 6262257
Calixpyrroles, calixpyridinopyrroles and calixpyridines
expired A61PA61P13/00A61P13/12
Quick answer
US patent 6262257 (Calixpyrroles, calixpyridinopyrroles and calixpyridines) held by The Board of Regents of the University of Texas System expires Mon Jul 12 2021 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- The Board of Regents of the University of Texas System
- Grant date
- Tue Jul 17 2001 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Jul 12 2021 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 1
- CPC classes
- A61P, A61P13/00, A61P13/12, A61P19/00, A61P19/06