Granted Patent
Utility
US 6,635,708 · App. 09/959,086
Aqueous plastic dispersions presenting increased stability
Inventor:
Bernd Papenfuhs
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: Oct 16, 2001
Inventor
Bernd Papenfuhs
Assignee (at issue)
Clariant 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.