Granted Patent
Utility
US 5,430,167 · App. 08/265,075
Silanes with hydrophilic groups, their synthesis and use as surfactants in aqueous media
Inventors:
Klaus-Dieter Klein, Wilfried Knott, Gotz Koerner
Patented Case
View Patent ↗
Granted: Jul 4, 1995
Filed: Jun 24, 1994
Inventors
Klaus-Dieter Klein
Wilfried Knott
Gotz Koerner
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.