Granted Patent
Utility
US 6,692,874 · App. 09/936,240
Electrolytes and lithium ion battery using the same
Inventors:
Hyeong Jin Kim, Seung-II Yoo, Jae-Sik Chung
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Sep 7, 2001
Inventors
Hyeong Jin Kim
Seung-II Yoo
Jae-Sik Chung
Assignee (at issue)
LG Chemical 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.