Granted Patent
Utility
US 6,586,521 · App. 09/272,882
Aqueous dispersions containing a mixture of copolymers and their use in binders
Inventors:
Harald Blum, Wieland Hovestadt, Karl-Ludwig Noble
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Mar 19, 1999
Inventors
Harald Blum
Wieland Hovestadt
Karl-Ludwig Noble
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.