Granted Patent
Utility
US 6,093,863 · App. 09/452,557
Method for inhibiting the formation of gas hydrates
Inventors:
Jeffrey M. Cohen, William D. Young
Patented Case
View Patent ↗
Granted: Jul 25, 2000
Filed: Dec 1, 1999
Inventors
Jeffrey M. Cohen
William D. Young
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.