Granted Patent
Utility
US 4,665,059 · App. 06/707,412
Composition for reducing the phytotoxicity of agricultural machine oil containing a sucrose fatty acid ester and/or urea
Inventors:
Takashi Tozawa, Masahiro Endo, Yukio Eiraku
Patented Case
View Patent ↗
Granted: May 12, 1987
Filed: Mar 1, 1985
Inventors
Takashi Tozawa
Masahiro Endo
Yukio Eiraku
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.