Granted Patent
Utility
US 5,442,099 · App. 08/152,702
Bis-(thiobenzoyldisulfido)-alkanes
Inventors:
Juergen Wolpers, Karl-Heinz Nordsiek, Jaroslaw Monkiewicz, Dieter Zerpner
Patented Case
View Patent ↗
Granted: Aug 15, 1995
Filed: Nov 16, 1993
Inventors
Juergen Wolpers
Karl-Heinz Nordsiek
Jaroslaw Monkiewicz
Dieter Zerpner
Assignee (at issue)
Huels 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.