Granted Patent
Utility
US 6,833,479 · App. 10/618,935
Antimisting agents
Inventors:
Mark Witschger, Jianhua Mao, Phillip L. Mattison, Michael J. Virnig, Marie-Esther Saint Victor
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Jul 14, 2003
Inventors
Mark Witschger
Jianhua Mao
Phillip L. Mattison
Michael J. Virnig
Marie-Esther Saint Victor
Assignee (at issue)
Cognis 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.