🇺🇸 FDA
Patent

US 6117991

Biologically active synthetic thyrotropin and cloned gene producing same

expired A61KA61K38/00A61P

Quick answer

US patent 6117991 (Biologically active synthetic thyrotropin and cloned gene producing same) held by The United States of America, as represented by the Department of Health and Human Services expires Mon Sep 07 2020 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.

Key facts

Applicant
The United States of America, as represented by the Department of Health and Human Services
Grant date
Tue Sep 12 2000 00:00:00 GMT+0000 (Coordinated Universal Time)
Expiration
Mon Sep 07 2020 00:00:00 GMT+0000 (Coordinated Universal Time)
Claims
1
CPC classes
A61K, A61K38/00, A61P, A61P35/00, A61P43/00