IP Library Granted Patent US 8,889,685
Granted Patent B2
US 8,889,685 · App. 13/928,571 · Granted Nov 18, 2014

Method for treating a sleep disorder with eszopiclone maleate

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.
C07D487/04
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Quick Facts
Patent No.
US 8,889,685
App. No.
13/928,571
Granted
Nov 18, 2014
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 for treating sleep disorders.

Claims (2)

1. A method for treating a sleep disorder in a subject comprising administering to a subject in need thereof a maleate salt of eszopiclone, such that administration of the salt treats the sleep disorder.

2. A method for treating a sleep disorder in a subject comprising administering to a subject in need thereof an oral pharmaceutical dosage form comprising a maleate salt of eszopiclone and a pharmaceutically acceptable carrier, such that administration of the dosage form treats the sleep disorder.

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 Jun 27, 2013
From: WILKINSON, H. SCOTT; HSIA, RICHARD; MISRA, TUSHAR; SARANTEAS, KOSTAS; MOUSAW, PATRICK
To: SUNOVION PHARMACEUTICALS INC.
Reel/Frame 030701/0603 →
Continuity (5)
Division 13483892 · May 30, 2012
Division 12498769 · Jul 7, 2009
Continuation In Part 12338908 · Dec 18, 2008
Provisional Application 61008364 · Dec 19, 2007
Related Publication 20130289040A1 · Oct 31, 2013