Granted Patent
Utility
US 6,709,508 · App. 10/145,326
Dry mortar formulations modified with water-redispersible polymer powders
Inventors:
Ulf Dietrich, Theo Mayer
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: May 14, 2002
Inventors
Ulf Dietrich
Theo Mayer
Assignee (at issue)
WACKER POLYMER SYSTEMS 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.