Abbott Laboratories Corporation

Stephen G Spanton

Rodger F Henry

David A Riley

Jih-Hua Liu

John F Bauer

James A Morley

Rodger E Henry

Ramesh F Patel

The present invention relates to a novel 6-O-methylerythromycin A crystal form, a process for preparing the crystal form, and methods for using the crystal form to prepare a 6-O-methylerythromycin A crystal form II.

6-O-methylerythromycin A crystal form III

The present invention concerns the novel antiobiotic 6-O-methylerythromycin A form O solvate, a process for its preparation, pharmaceutical compositions comprising this compound and a method of use as a therapeutic agent.

Crystal form O of clarithromycin

The present invention provides a non-solvated crystalline polymorph of terazosin monohydrochloride designated Form III and methods for its preparation. Also disclosed is terazosin monohydrochloride methanolate and processes for its production as well as processes for its conversion to other crystalline forms of terazosin monohydrochloride.

Terazosin monohydrochloride and processes and intermediate for its

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Green Oaks, IL, United States of America

Stephen G Spanton