Granted Patent
Utility
US 5,508,467 · App. 08/293,443
Process for the preparation of hydroxyalkylaminonitrobenzene derivatives
Inventors:
Wolfgang Bauer, Klaus Delpy, Andreas Bittner
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: Aug 22, 1994
Inventors
Wolfgang Bauer
Klaus Delpy
Andreas Bittner
Assignee (at issue)
Cassella 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.