🇺🇸 FDA
Patent

US 9999613

2H-chromene derivatives as analgesic agents

granted A61KA61K31/353A61K31/381

Quick answer

US patent 9999613 (2H-chromene derivatives as analgesic agents) held by OBSHESTVO S OGRANICHENNOI OTVETSVENNOSTJU “LEOFORS” expires Mon Jun 14 2038 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.

Key facts

Applicant
OBSHESTVO S OGRANICHENNOI OTVETSVENNOSTJU “LEOFORS”
Grant date
Tue Jun 19 2018 00:00:00 GMT+0000 (Coordinated Universal Time)
Expiration
Mon Jun 14 2038 00:00:00 GMT+0000 (Coordinated Universal Time)
Claims
2
CPC classes
A61K, A61K31/353, A61K31/381, A61P, A61P29/00