IP Library › Granted Patent US 8,497,268
Granted Patent B2
US 8,497,268 · App. 13/483,892 · Granted Jul 30, 2013

Method for providing blood levels of eszopiclone with maleate salts

Inventors: H. Scott Wilkinson (Westborough, MA); Richard Hsia (Boston, MA); Tushar Misra (Norfolk, MA); Kostas Saranteas (Peabody, MA); Patrick Mousaw (Granger, IN)
Assignee: Sunovion Pharmaceuticals Inc.
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Quick Facts
Patent No.
US 8,497,268
App. No.
13/483,892
Granted
Jul 30, 2013
Kind
B2
Abstract

Maleate salts of (6-(5-chloro-2-pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazine) are provided. The salts are useful to provide blood levels of eszopiclone that are independent of fasting state.

Claims (1)

1. A method for providing blood levels of eszopiclone that are independent of fasting state of a patient comprising administering an effective amount of a maleate salt of eszopiclone.

Assignments (3)
SECURITY INTEREST Recorded Jan 6, 2023
From: WOODWARD SPECIALTY LLC
To: ALTER DOMUS (US) LLC
Reel/Frame 062301/0927 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 13, 2022
From: SUNOVION PHARMACEUTICALS INC.
To: WOODWARD SPECIALTY LLC
Reel/Frame 062068/0177 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 1, 2012
From: WILKINSON, H. SCOTT; HSIA, RICHARD; MISRA, TUSHAR; SARANTEAS, KOSTAS; MOUSAW, PATRICK
To: SUNOVION PHARMACEUTICALS INC.
Reel/Frame 029226/0354 →
Continuity (4)
Division 12498769 · Jul 7, 2009
Continuation In Part 12338908 · Dec 18, 2008
Provisional Application 61008364 · Dec 19, 2007
Related Publication 20120238580A1 · Sep 20, 2012