Granted Patent
Utility
US 3,984,435 · App. 05/548,396
Herbicidal N-substituted-.DELTA..sup.1 -tetrahydrophthalimide
Inventors:
Kazuo Matsui, Hiroshi Kasugai, Kuni Matsuya, Hiroyasu Aizawa
Patented Case
View Patent ↗
Granted: Oct 5, 1976
Filed: Feb 10, 1975
Inventors
Kazuo Matsui
Hiroshi Kasugai
Kuni Matsuya
Hiroyasu Aizawa
Assignee (at issue)
Mitsubishi Chemical Industries, 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.