The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 31, 2017
Filed:
Jun. 03, 2015
Applicant:
Pfizer Limited, Sandwich, Kent, GB;
Inventors:
Robert McKenzie Owen, Great Abington, GB;
David Cameron Pryde, Great Abington, GB;
Mifune Takeuchi, Sandwich, GB;
Christine Anne Louise Watson, Sandwich, GB;
Assignee:
Pfizer Limited, Sandwich, Kent, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 487/04 (2006.01); A61K 31/496 (2006.01); A61K 31/5025 (2006.01);
U.S. Cl.
CPC ...
C07D 487/04 (2013.01); A61K 31/5025 (2013.01);
Abstract
The present invention relates to imidazopyridazine derivatives. More particularly, it relates to 4-(biphenyl-3-yl)-7H-imidazo[4,5-c]pyridazine derivatives of formula (I): and pharmaceutically acceptable salts thereof, wherein R, R, R, R, Rand Rare as defined in the description. The imidazopyridazine derivatives of the present invention modulate the activity of the GABAreceptor. They are useful in the treatment of a number of conditions, including pain.