Granted Patent
Utility
US 6,348,632 · App. 09/570,012
Process for preparing 1,3-alkanediol from epoxide derivative
Inventors:
Byeong No Lee, Byung-Soon Chen
Patented Case
View Patent ↗
Granted: Feb 19, 2002
Filed: May 12, 2000
Inventors
Byeong No Lee
Byung-Soon Chen
Assignee (at issue)
SAMSUNG DISPLAY 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.