Granted Patent
Utility
US 5,705,711 · App. 08/516,228
Manufacture of methyl tertiary butyl ether in reactive distillation column
Inventor:
Kyle Preston
Patented Case
View Patent ↗
Granted: Jan 6, 1998
Filed: Aug 17, 1995
Inventor
Kyle Preston
Assignee (at issue)
Huntsman Specialty Chemicals 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.