Granted Patent
Utility
US 6,281,274 · App. 09/415,657
Method for preventing or retarding the formation of gas hydrates
Inventors:
Kirill N. Bakeev, Jui-Chang Chuang, Thomas Winkler, Michael Drzewinski, David E. Graham
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Oct 12, 1999
Inventors
Kirill N. Bakeev
Jui-Chang Chuang
Thomas Winkler
Michael Drzewinski
David E. Graham
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.