Granted Patent
Utility
US 6,053,008 · App. 09/222,816
Method for carrying out subambient temperature, especially cryogenic, separation using refrigeration from a multicomponent refrigerant fluid
Inventors:
Bayram Arman, Dante Patrick Bonaquist, Joseph Alfred Weber, Mark Edward Vincett
Patented Case
View Patent ↗
Granted: Apr 25, 2000
Filed: Dec 30, 1998
Inventors
Bayram Arman
Dante Patrick Bonaquist
Joseph Alfred Weber
Mark Edward Vincett
Assignee (at issue)
Praxair Technology, Inc.
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.