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Details for Patent: 6,190,698

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Details for Patent: 6,190,698

Title: Oral 2-methyl-thieno-benzodiazepine formulation
Abstract:The invention provides a pharmaceutically acceptable solid oral formulation of olanzapine and a process for making such formulation.
Inventor(s): Cochran; George Randall (Indianapolis, IN), Morris; Tommy Clifford (Indianapolis, IN)
Assignee: Eli Lilly and Company (Indianapolis, IN)
Filing Date:Aug 31, 1998
Application Number:09/144,188
Claims:1. A solid oral formulation consisting essentially of olanzapine as an active ingredient intimately mixed with lactose, hydroxypropyl cellulose, crospovidone, microcrystalline cellulose, and magnesium stearate; wherein said solid oral formulation is coated with hydroxypropyl methyl cellulose, said hydroxypropyl methyl cellulose is further coated with an aqueous dispersion film coat and said solid oral formulation is imprinted using an edible ink.

2. A formulation as claimed in claim 1 wherein Olanzapine is substantially pure Form II polymorph having a typical X-ray powder diffraction pattern as represented by the following interplanar spacings

TBL d 10.2689 8.577 7.4721 7.125 6.1459 6.071 5.4849 5.2181 5.1251 4.9874 4.7665 4.7158 4.4787 4.3307 4.2294 4.141 3.9873 3.7206 3.5645 3.5366 3.3828 3.2516 3.134 3.0848 3.0638 3.0111 2.8739 2.8102 2.7217 2.6432 2.6007.
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