Granted Patent
Utility
US 5,986,152 · App. 09/198,251
Supported catalyst, process for its production as well as its use in the oxychlorination of ethylene
Inventors:
Herbert Muller, Stefan Bosing, Ludwig Schmidhammer, Albin Frank, Klaus Haselwarter
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Nov 24, 1998
Inventors
Herbert Muller
Stefan Bosing
Ludwig Schmidhammer
Albin Frank
Klaus Haselwarter
Assignee (at issue)
Degussa-Huels AG
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.