Granted Patent
Utility
US 5,777,181 · App. 08/631,732
2, 4, 5-trihalogeno- and 2, 3, 4, 5-tetrahalogenobenzene derivatives
Inventors:
Erich Klauke, Uwe Petersen, Klaus Grohe
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Apr 10, 1996
Inventors
Erich Klauke
Uwe Petersen
Klaus Grohe
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.