Granted Patent
Utility
US 6,803,482 · App. 10/437,509
Process for the production of isocyanates in the gas phase
Inventors:
Marc Jenne, Heiko Herold, Martin Friedrich, Herbert Stutz
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: May 14, 2003
Inventors
Marc Jenne
Heiko Herold
Martin Friedrich
Herbert Stutz
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.