Granted Patent
Utility
US 6,732,748 · App. 10/182,288
Clear rinsing agents
Inventors:
Joerg Kahre, Michael Elsner, Rita Koester, Karl Schmid
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Nov 25, 2002
Inventors
Joerg Kahre
Michael Elsner
Rita Koester
Karl Schmid
Assignee (at issue)
Cognis Deutschland GmbH & Co. KG
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.