Granted Patent
Utility
US 6,090,980 · App. 09/201,655
Preparation process of iminotris ( Dimethylamino) phosphorane
Inventors:
Tadahito Nobori, Takaomi Hayashi, Katsuhiko Funaki, Atsushi Shibahara, Isao Hara, Shinji Kiyono, Kazumi Mizutani, Usaji Takaki
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Dec 1, 1998
Inventors
Tadahito Nobori
Takaomi Hayashi
Katsuhiko Funaki
Atsushi Shibahara
Isao Hara
Shinji Kiyono
Kazumi Mizutani
Usaji Takaki
Assignee (at issue)
MITSUI CHEMICALS, INC.
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.