Granted Patent
Utility
US 6,809,122 · App. 10/193,357
Method for reducing the maximum water concentration in a multi-phase column reactor
Inventors:
Jianping Zhang, Rafael Espinoza, Sergio Mohedas, Beatrice C. Ortego
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Jul 11, 2002
Inventors
Jianping Zhang
Rafael Espinoza
Sergio Mohedas
Beatrice C. Ortego
Assignee (at issue)
ConocoPhillips Company
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.