Granted Patent
Utility
US 6,392,107 · App. 09/804,894
Process for isomerizing dichlorobutenes
Inventor:
Peter Schertl
Patented Case
View Patent ↗
Granted: May 21, 2002
Filed: Mar 13, 2001
Inventor
Peter Schertl
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.