Granted Patent
Utility
US 5,409,886 · App. 08/195,200
3-pyrroline-2-one derivatives and herbicidal compositions containing same
Inventors:
Koichi Moriyasu, Hideyuki Akieda, Harumichi Aoki, Makoto Suzuki, Shingo Matsuo, Yasunaga Iwasaki, Sadafumi Koda, Kanji Tomiya
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: Feb 14, 1994
Inventors
Koichi Moriyasu
Hideyuki Akieda
Harumichi Aoki
Makoto Suzuki
Shingo Matsuo
Yasunaga Iwasaki
Sadafumi Koda
Kanji Tomiya
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.