Granted Patent
Utility
US 6,664,310 · App. 10/131,101
Hydrogenfluorides of aminosilanols and their use
Inventors:
Chia-Hung Chen, Jorg Kroker, Robert B. Fechter
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Apr 24, 2002
Inventors
Chia-Hung Chen
Jorg Kroker
Robert B. Fechter
Assignee (at issue)
Ashland, Inc.
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.