Granted Patent
Utility
US 6,740,786 · App. 10/291,398
Method for the preparation of 2, 2, 3, 4, 4, 4-hexafluoro-1-butanol
Inventors:
Shean-Jeng Jong, Wang-Tsae Guu, Chung-Mou Liang
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Nov 12, 2002
Inventors
Shean-Jeng Jong
Wang-Tsae Guu
Chung-Mou Liang
Assignee (at issue)
CHUNG-SHAN INSTITUTE OF SCIENCE AND TECHNOLOGY
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.