Granted Patent
Utility
US 6,451,891 · App. 09/712,553
Method for preventing or retarding the formation of gas hydrates
Inventors:
Vu Thieu, Kirill N. Bakeev, Jenn S. Shih
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Nov 14, 2000
Inventors
Vu Thieu
Kirill N. Bakeev
Jenn S. Shih
Assignee (at issue)
ISP INVESTMENTS LLC
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.