Granted Patent
Utility
US 4,684,713 · App. 06/815,506
Hydrocarbon terminated polyamide resin and process for producing the same
Inventors:
Katsuhisa Kohyama, Masaaki Miyamoto, Hidemi Nakanishi, Norimichi Koga
Patented Case
View Patent ↗
Granted: Aug 4, 1987
Filed: Jan 2, 1986
Inventors
Katsuhisa Kohyama
Masaaki Miyamoto
Hidemi Nakanishi
Norimichi Koga
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.