Granted Patent
Utility
US 6,486,161 · App. 09/463,580
Use of rifamycin derivative for treating mastitis in a domestic animal
Inventors:
Kenji Fujii, Katsuji Yamashita, Kazunori Hosoe, Robert John Yancey, Jr., Jeffrey L. Watts
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: May 23, 2000
Inventors
Kenji Fujii
Katsuji Yamashita
Kazunori Hosoe
Robert John Yancey, Jr.
Jeffrey L. Watts
Assignee (at issue)
KANEKA CORPORATION
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.