Granted Patent
Utility
US 3,950,405 · App. 04/836,196
Trans-4-aminomethylcyclohexane-1-carboxylic acid
Inventors:
Atsuji Okano, Shizuo Kadoya, Takeo Naito, Takaaki Aoyagi, Masao Shimizu
Patented Case
View Patent ↗
Granted: Apr 13, 1976
Filed: Jun 4, 1969
Inventors
Atsuji Okano
Shizuo Kadoya
Takeo Naito
Takaaki Aoyagi
Masao Shimizu
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.