🇺🇸 FDA
Patent

US 10138255

Piperazine derivatives as HIV protease inhibitors

granted A61KA61K31/554A61K45/06

Quick answer

US patent 10138255 (Piperazine derivatives as HIV protease inhibitors) held by MSD R&D (China) Co. Ltd. expires Mon Nov 22 2038 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.

Key facts

Applicant
MSD R&D (China) Co. Ltd.
Grant date
Tue Nov 27 2018 00:00:00 GMT+0000 (Coordinated Universal Time)
Expiration
Mon Nov 22 2038 00:00:00 GMT+0000 (Coordinated Universal Time)
Claims
19
CPC classes
A61K, A61K31/554, A61K45/06, A61P, A61P31/18