Claims for Patent: 4,894,476

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Summary for Patent: 4,894,476

Title:	Gabapentin monohydrate and a process for producing the same
Abstract:	A novel crystalline form of gabapentin and a novel processes for the small and large scale preparations of the anticonvulsant compound in a highly pure state is disclosed. This novel hydrate is produced by a cost effective process which provides an additional purification stage.
Inventor(s):	Butler; Donald E. (Holland, MI), Greenman; Barbara J. (Door, MI)
Assignee:	Warner-Lambert Company (Morris Plains, NJ)
Application Number:	07/188,819
Patent Claims:	1. ##STR6## exhibiting essentially the following X-ray diffraction data: 2. ##STR7## according to claim 1 having a bulk density within the range of 0.35 to 0.49 g/cm.sup.3.

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