IP Library › Granted Patent US 8,198,278
Granted Patent B2
US 8,198,278 · App. 12/338,903 · Granted Jun 12, 2012

Besylate 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 8,198,278
App. No.
12/338,903
Granted
Jun 12, 2012
Kind
B2
Abstract

Besylate 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 (6)

1. An oral pharmaceutical dosage form comprising a besylate salt of zopiclone and a pharmaceutically acceptable carrier.

2. A tablet according to claim 1 .

3. A caplet or capsule according to claim 1 .

4. An oral pharmaceutical dosage form comprising a besylate salt of eszopiclone and a pharmaceutically acceptable carrier.

5. A tablet according to claim 4 .

6. A caplet or capsule according to claim 4 .

Assignments (2)
CHANGE OF NAME Recorded Jun 22, 2012
From: SEPRACOR INC.
To: SUNOVION PHARMACEUTICALS INC.
Reel/Frame 028430/0994 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 7, 2009
From: HSIA, RICHARD; WILKINSON, H. SCOTT; MISRA, TUSHAR; SARANTEAS, KOSTAS; MOUSAW, PATRICK
To: SEPRACOR, INC.
Reel/Frame 022651/0844 →
Continuity (2)
Provisional Application 61008365 · Dec 19, 2007
Related Publication 20090209545A1 · Aug 20, 2009