Granted Patent
Utility
US 5,723,698 · App. 08/573,822
Catalytic decomposition of formate impurities in tertiary butyl alcohol and methyl tertiary butyl ether streams
Inventors:
Pei-Shing E. Dai, Laurence D. Neff, Kyle Preston, Rei-Yu J. Hwan
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: Dec 18, 1995
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.