Granted Patent
Utility
US 4,797,466 · App. 07/011,907
High-temperature adhesive polyimide from 2,6-bis(3-aminophenoxy)pyridine
Inventors:
Hideaki Oikawa, Masahiro Ohta, Saburo Kawashima, Shoji Tamai, Yoshiho Sonobe, Akihiro Yamaguchi
Patented Case
View Patent ↗
Granted: Jan 10, 1989
Filed: Feb 6, 1987
Inventors
Hideaki Oikawa
Masahiro Ohta
Saburo Kawashima
Shoji Tamai
Yoshiho Sonobe
Akihiro Yamaguchi
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.