Granted Patent
Utility
US 6,489,268 · App. 10/048,172
Highly selective herbicidal phenoxypropionic acid alkoxycarbonyl anilid compounds and method of preparing the same
Inventors:
Dae Whang Kim, Hae Sung Chang, Young Kwan Ko, Jae Wook Ryu, Jae Chun Woo, Dong Wan Koo, Tae Joon Kim
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Jan 29, 2002
Inventors
Dae Whang Kim
Hae Sung Chang
Young Kwan Ko
Jae Wook Ryu
Jae Chun Woo
Dong Wan Koo
Tae Joon Kim
Assignee (at issue)
Dongbu Hannong Chemical Co., Ltd.
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.