Granted Patent
Utility
US 6,710,120 · App. 10/403,222
Polyurethane dispersions based on fatty acid dialkanolamides
Inventors:
Rolf Gertzmann, Christoph Irle, Jan Weikard, Rolf Roschu, Erhard Luhmann
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Mar 31, 2003
Inventors
Rolf Gertzmann
Christoph Irle
Jan Weikard
Rolf Roschu
Erhard Luhmann
Assignee (at issue)
Bayer Aktiengesellschaft
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.