Granted Patent
Utility
US 6,627,761 · App. 09/822,914
Multifunctional carbonates and derivatives
Inventors:
Howard P. Klein, David C. Alexander, Susan A. Woodrum, James R. Machac, Jr.
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Mar 30, 2001
Inventors
Howard P. Klein
David C. Alexander
Susan A. Woodrum
James R. Machac, Jr.
Assignee (at issue)
HUNTSMAN PETROCHEMICAL LLC
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.