Granted Patent
Utility
US 5,879,436 · App. 08/981,434
Aminosilane salts and silanamides of carboxylic acids as corrosion inhibitors
Inventors:
Andreas Kramer, Markus Frey, Adalbert Braig
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Dec 22, 1997
Inventors
Andreas Kramer
Markus Frey
Adalbert Braig
Assignee (at issue)
Ciba Specialty Chemicals Corporation
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.