Granted Patent
Utility
US 5,744,652 · App. 08/815,984
Method for the manufacture of methyl tertiary butyl ether from tertiary butyl alcohol and methanol
Inventors:
Pei-Shing E. Dai, Laurence D. Neff, Kyle Preston, Rei-Yu J. Hwan
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Mar 10, 1997
Inventors
Pei-Shing E. Dai
Laurence D. Neff
Kyle Preston
Rei-Yu J. Hwan
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.