Granted Patent
Utility
US 6,599,351 · App. 09/719,298
Anti-corrosive white pigments and method for producing the same
Inventors:
Thomas Rentschler, Fritz Muller, Jochen Winkler, Wolf-Rudiger Karl, Kirsten Fohr
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Apr 4, 2002
Inventors
Thomas Rentschler
Fritz Muller
Jochen Winkler
Wolf-Rudiger Karl
Kirsten Fohr
Assignee (at issue)
Metallgesellschaft 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.