CA Patent

CA2765621A1 — Crystalline freebase forms of a biphenyl compound

Assigned to Theravance Biopharma R&D IP LLC · Expires 2011-01-20 · 15y expired

What this patent protects

The invention provides two crystalline freebase forms of biphenyl-2-ylcarbamic acid 1 -(2-{ [4-(4-carbamoylpiperidin- 1 -ylmethyl)benzoyl]methylamino } ethyl)piperidin-4-yl ester. The invention also provides pharmaceutical compositions comprising the crystalline freebase or pre…

USPTO Abstract

The invention provides two crystalline freebase forms of biphenyl-2-ylcarbamic acid 1 -(2-{ [4-(4-carbamoylpiperidin- 1 -ylmethyl)benzoyl]methylamino } ethyl)piperidin-4-yl ester. The invention also provides pharmaceutical compositions comprising the crystalline freebase or prepared using the crystalline freebases; processes and intermediates for preparing the crystalline freebases; and methods of using the crystalline freebases that may be useful to treat a pulmonary disorder.

Drugs covered by this patent

Patent Metadata

Patent number
CA2765621A1
Jurisdiction
CA
Classification
—
Expires
2011-01-20
Drug substance claim
No
Drug product claim
No
Assignee
Theravance Biopharma R&D IP LLC
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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