Granted Patent
Utility
US 5,939,375 · App. 09/045,085
Low-viscosity alkaline cleaning emulsion
Inventors:
Felix Muller, Jörg Peggau
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Mar 20, 1998
Inventors
Felix Muller
Jörg Peggau
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.