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US 7,741,358 B2Granted
Crystal form of asenapine maleate
AssigneeN.V. Organon
InventorGerhardus Johannes Heeres
Life of this patent
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Abstract
The invention relates to an orthorhombic crystal form of compound trans-5-chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-dibenz [2,3:6,7]oxepino[4,5-c]pyrrole (Z)-2-butenedioate, to methods for the preparation of this crystal form and to pharmaceutical compositions comprising an orthorhombic crystal form.
Claims11
Orthorhombic trans-5-chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrole (Z)-2-butenedioate isolated in a form which contains at least about 90 wt. % of the orthorhombic crystalline form.
Dependencies are inferred from the claim text.