Patents by Inventor Narayan Vanankaval

Narayan Vanankaval has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Alternative forms of the phosphodiesterase-4 inhibitor N-cyclopropyl-1-{3-[(1-oxidopryidin-3-yl)ethynyl]phenyl}-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxyamide

Patent number: 8552193

Abstract: The present invention is directed to alternative forms of the title phosphodiesterase 4 inhibitor which has the structural formula shown immediately below:

Type: Grant

Filed: March 31, 2010

Date of Patent: October 8, 2013

Assignee: Merck Sharp & Dohme Corp.

Inventors: Sophie-Dorothee Clas, Rafik Naccache, Hongshi Yu, Jerry Murry, Narayan Vanankaval

Alternative forms of the phosphodiesterase-4 inhibitor N-cyclopropyl-1-{3-[(1-oxidopryidin-3-yl)ethynyl]phenyl}-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxyamide