Granted Patent
Utility
US 6,074,985 · App. 09/369,307
Fluorination catalysts
Inventors:
Maher Y. Elsheikh, Bin Chen
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Aug 3, 1999
Inventors
Maher Y. Elsheikh
Bin Chen
Assignee (at issue)
Elf Atochem North America, 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.