Granted Patent
Utility
US 5,641,852 · App. 08/586,464
Thermosetting resin composition and method of manufacturing it from an epoxy resin, cyanate and phenol
Inventors:
Hiroyuki Tsuji, Shoji Hara, Hirosaku Nagano
Patented Case
View Patent ↗
Granted: Jun 24, 1997
Filed: Jan 11, 1996
Inventors
Hiroyuki Tsuji
Shoji Hara
Hirosaku Nagano
Assignee (at issue)
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
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.