US 11180444
Polyimino ketoaldehydes
granted A61PA61P31/04A61P31/06
Quick answer
US patent 11180444 (Polyimino ketoaldehydes) held by NOVUM SPERO LTD expires Mon Nov 18 2041 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- NOVUM SPERO LTD
- Grant date
- Tue Nov 23 2021 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Nov 18 2041 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 19
- CPC classes
- A61P, A61P31/04, A61P31/06, A61P31/08