Granted Patent
Utility
US 5,204,433 · App. 07/730,279
Use of epoxypolysiloxanes modified with oxyalkylene ether groups as a curable coating agent
Inventors:
Dieter Wewers, Christian Weitemeyer, Jurgen Jachmann
Patented Case
View Patent ↗
Granted: Apr 20, 1993
Filed: Jul 15, 1991
Inventors
Dieter Wewers
Christian Weitemeyer
Jurgen Jachmann
Assignee (at issue)
Th. Goldschmidt. AG
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.