Granted Patent
Utility
US 5,941,812 · App. 08/666,658
Storage-stable, concentrated surfactant composition based on alkylglucosides
Inventors:
Burghard Gruning, Christian Weitemeyer
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Jun 14, 1996
Inventors
Burghard Gruning
Christian Weitemeyer
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.