Granted Patent
Utility
US 5,986,125 · App. 09/011,682
Process for the production of dialkyl carbonates
Inventors:
Erich Reuter, Walter Knoerr, Bernhard Gutsche
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Mar 4, 1998
Inventors
Erich Reuter
Walter Knoerr
Bernhard Gutsche
Assignee (at issue)
Henkel Kommanditgesellschaft auf Aktien
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.