Granted Patent
Utility
US 6,653,496 · App. 10/110,061
Method for producing acrylonitrile, catalyst for use therein and method for preparing the same
Inventors:
Kunio Mori, Yutaka Sasaki, Kenichi Miyaki, Hirokazu Watanabe
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Apr 8, 2002
Inventors
Kunio Mori
Yutaka Sasaki
Kenichi Miyaki
Hirokazu Watanabe
Assignee (at issue)
MITSUBISHI ELECTRIC CORPORATION
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.