🇺🇸 FDA
Patent

US 9271965

Crystalline forms of (R)-3-[N-(3'-chlorobiphenyl-4-ylmethyl)-N'-(3-hydroxyisoxazole-5-carbonyl)hydrazino]-2-hydroxyproprionic acid isopropyl ester

granted A61KA61K31/42A61K45/06

Quick answer

US patent 9271965 (Crystalline forms of (R)-3-[N-(3'-chlorobiphenyl-4-ylmethyl)-N'-(3-hydroxyisoxazole-5-carbonyl)hydrazino]-2-hydroxyproprionic acid isopropyl ester) held by Theravance Biopharma R&D IP, LLC expires Mon Feb 25 2036 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.

Key facts

Applicant
Theravance Biopharma R&D IP, LLC
Grant date
Tue Mar 01 2016 00:00:00 GMT+0000 (Coordinated Universal Time)
Expiration
Mon Feb 25 2036 00:00:00 GMT+0000 (Coordinated Universal Time)
Claims
46
CPC classes
A61K, A61K31/42, A61K45/06, A61P, A61P9/00