Granted Patent
Utility
US 6,576,206 · App. 09/880,342
Bicarbonate conversion in a carbonate monohydrate process
Inventors:
William C. Copenhafer, Thomas H. Neuman
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Jun 13, 2001
Inventors
William C. Copenhafer
Thomas H. Neuman
Assignee (at issue)
FMC Wyoming Corporation
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.