Granted Patent
Utility
US 5,965,753 · App. 09/101,878
Process for preparation of glycidyl sulfonate derivative
Inventors:
Midori Masaki, Yoshiro Furukawa, Keishi Takenaka
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: Jul 20, 1998
Inventors
Midori Masaki
Yoshiro Furukawa
Keishi Takenaka
Assignee (at issue)
DAISO 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.