Granted Patent
Utility
US 6,531,549 · App. 10/012,323
Crystallized epoxy resins, their production method, and curable compositions comprising them
Inventors:
Yasuyuki Murata, Masayuki Tsutsumi, Kiyotaka Ikebata, Ken Tanaka
Patented Case
View Patent ↗
Granted: Mar 11, 2003
Filed: Dec 12, 2001
Inventors
Yasuyuki Murata
Masayuki Tsutsumi
Kiyotaka Ikebata
Ken Tanaka
Assignee (at issue)
Japan Epoxy Resins Co., 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.