Granted Patent
Utility
US 6,160,160 · App. 09/369,818
Process for preparing benzyl carbazates
Inventors:
Edwin Ritzer, Robert Sollner, Claus Dreisbach, Frank Jelitto
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Aug 6, 1999
Inventors
Edwin Ritzer
Robert Sollner
Claus Dreisbach
Frank Jelitto
Assignee (at issue)
Bayer Aktiengesellschaft
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.