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Last Updated: December 22, 2024

Claims for Patent: 9,777,007

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Summary for Patent: 9,777,007

Title:	Short-acting benzodiazepine salts and their polymorphic forms
Abstract:	The invention relates to besylate salts of the compound of formula (I): ##STR00001## Methods of preparing the salts, and their use as medicaments, in particular for sedative or hypnotic, anxiolytic, muscle relaxant, or anticonvulsant purposes is also described.
Inventor(s):	Tilbrook; Gary Stuart (Huntingdon, GB), Quegan; Louisa Jane (Cambridge, GB)
Assignee:	PAION UK LIMITED (GB)
Application Number:	14/948,889
Patent Claims:	1. A pharmaceutical composition, comprising a besylate salt of the compound of formula (I) ##STR00005## and at least one pharmaceutically acceptable carrier, excipient or diluent, wherein said composition maintains at least 96.7% of the original amount of the compound of formula (I) in said composition following storage of said composition at 40.degree. C. and 75% relative humidity for 4 weeks, and wherein said amount of the compound of formula (I) in said composition is measured by high-performance liquid chromatography. 2. The pharmaceutical composition according to claim 1, wherein said composition maintains at least 97.3% of the original amount of the compound of formula (I) in said composition following storage of said composition at 40.degree. C. and 75% relative humidity for 2 weeks, and wherein said amount of the compound of formula (I) in said composition is measured by high-performance liquid chromatography. 3. The pharmaceutical composition according to claim 1, wherein said composition maintains at least 97.3% of the original amount of the compound of formula (I) in said composition following storage of said composition at 40.degree. C. and 75% relative humidity for 1 week, and wherein said amount of the compound of formula (I) in said composition is measured by high-performance liquid chromatography.

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