Granted Patent
Utility
US 6,610,853 · App. 09/601,791
N-(phenylsulfonyl)picolinamide derivatives, process for producing the same, and herbicide
Inventors:
Yoichi Kanda, Koki Sato, Tsutomu Sato
Patented Case
View Patent ↗
Granted: Aug 26, 2003
Filed: Aug 8, 2000
Inventors
Yoichi Kanda
Koki Sato
Tsutomu Sato
Assignee (at issue)
Kureha Kagaku Kogyo K.K.
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.