Granted Patent
Utility
US 5,741,951 · App. 08/778,204
Conjoint manufacture of MTBE and diisobutylene
Inventor:
Kyle Preston
Patented Case
View Patent ↗
Granted: Apr 21, 1998
Filed: Dec 30, 1996
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.