Granted Patent
Utility
US 6,420,536 · App. 09/424,104
4″-substituted-9-deoxo-9a-aza-9a-homoerythromycin a derivatives
Inventors:
Brian Bronk, Michael A. Letavic, Takushi Kaneko, Bingwei Yang, Edward A. Glazer, Hengmiao Cheng
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Nov 18, 1999
Inventors
Brian Bronk
Michael A. Letavic
Takushi Kaneko
Bingwei Yang
Edward A. Glazer
Hengmiao Cheng
Assignee (at issue)
Pfizer Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.