Granted Patent
Utility
US 6,581,613 · App. 09/784,266
Alkylpolyglucoside with a high degree of oligomerization
Inventors:
Wolfgang Berkels, Burghard Gruning, Felix Muller, Jörg Peggau
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Feb 15, 2001
Inventors
Wolfgang Berkels
Burghard Gruning
Felix Muller
Jörg Peggau
Assignee (at issue)
GOLDSCHMIDT HOLDING GMBH
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.