Granted Patent
Utility
US 5,336,376 · App. 08/054,116
Distillation column with vaporous sidestream removal
Inventors:
Siegfried Taurat, Heinrich Steude, Ludwig Deibele, Heinz-Jurgen Alpers
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Apr 27, 1993
Inventors
Siegfried Taurat
Heinrich Steude
Ludwig Deibele
Heinz-Jurgen Alpers
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.