Granted Patent
Utility
US 6,339,043 · App. 09/529,479
Method and composition
Inventors:
Andrew Francis Kirby, Rodney Walter Parr, Phillip Robert Tudor, David Hayshiv Parris
Patented Case
View Patent ↗
Granted: Jan 15, 2002
Filed: Jul 25, 2000
Inventors
Andrew Francis Kirby
Rodney Walter Parr
Phillip Robert Tudor
David Hayshiv Parris
Assignee (at issue)
Huntsman Surfactants Technology 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.