Granted Patent
Utility
US 5,480,965 · App. 08/280,551
Readily soluble, amorphous polyimide, and preparation process of same
Inventors:
Wataru Yamashita, Yuichi Okawa, Hideaki Oikawa, Tadashi Asanuma, Yuko Ishihara, Mitsunori Matsuo, Keizaburo Yamaguchi, Akihiro Yamaguchi, Shoji Tamai
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Jul 26, 1994
Inventors
Wataru Yamashita
Yuichi Okawa
Hideaki Oikawa
Tadashi Asanuma
Yuko Ishihara
Mitsunori Matsuo
Keizaburo Yamaguchi
Akihiro Yamaguchi
Shoji Tamai
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.