Granted Patent
Utility
US 6,479,718 · App. 10/108,607
Liquid phase process for HCFC-123
Inventors:
Maher Y. Elsheikh, Jonathan Tracy, John A. Wismer
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Mar 28, 2002
Inventors
Maher Y. Elsheikh
Jonathan Tracy
John A. Wismer
Assignee (at issue)
ATOFINA Chemicals, 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.