The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 14, 2003
Filed:
Jun. 11, 2001
Thomas P. Jerussi, Framingham, MA (US);
Chrisantha H. Senanayake, Shrewsbury, MA (US);
Paul D. Rubin, Sudbury, MA (US);
Yaping Hong, Framingham, MA (US);
Roger A. Bakale, Shrewsbury, MA (US);
Tingjian Xiang, Thousand Oaks, CA (US);
Fran A. McConville, Grafton, MA (US);
Sepracor, Inc., Marlborough, MA (US);
Abstract
The invention is directed to compositions comprising, and methods of using, racemic N-desmethylzopiclone, optically pure (+)-N-desmethylzopiclone, and optically pure (−)-N-desmethylzopiclone in the treatment and prevention of diseases and conditions in mammals. The invention is further directed to novel methods of preparing N-desmethylzopiclone, optically pure (+)-N-desmethylzopiclone, and optically pure (−)-N-desmethylzopiclone.