IP Library Granted Patent US 8,269,005
Granted Patent B2
US 8,269,005 · App. 12/498,756 · Granted Sep 18, 2012

L-malate salts of 6-(5-chloro-2-Pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-Oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazine

Assignee: Sunovion Pharmaceuticals Inc.
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Quick Facts
Patent No.
US 8,269,005
App. No.
12/498,756
Granted
Sep 18, 2012
Kind
B2
Abstract

L-malate 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.

Claims (2)

1. A method for providing blood levels of zopiclone that are independent of fasting state of a patient comprising administering to said patient an effective amount of an L-malate salt of zopiclone.

2. A method for providing blood levels of eszopiclone that are independent of fasting state of a patient comprising administering to said patient an effective amount of an L-malate salt of eszopiclone.

Assignments (2)
CHANGE OF NAME Recorded Jan 26, 2011
From: SEPRACOR INC.
To: SUNOVION PHARMACEUTICALS INC.
Reel/Frame 025699/0042 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 1, 2009
From: WILKINSON, H. SCOTT; HSIA, RICHARD; MISRA, TUSHAR; SARANTEAS, KOSTAS
To: SEPRACOR INC.
Reel/Frame 023315/0780 →
Continuity (3)
Continuation In Part 12338899 · Dec 18, 2008
Provisional Application 61008363 · Dec 19, 2007
Related Publication 20100009994A1 · Jan 14, 2010