Granted Patent
Utility
US 6,784,243 · App. 10/458,056
Polyurethane-polyurea dispersions
Inventors:
Thorsten Rische, Karin Naujoks, Thomas Feller, Christoph Gürtler, Jan Mazanek
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Jun 10, 2003
Inventors
Thorsten Rische
Karin Naujoks
Thomas Feller
Christoph Gürtler
Jan Mazanek
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.