Granted Patent
Utility
US 5,545,784 · App. 08/419,896
Method of modifying molecular sieves by means of solid state ion exchange, and a method for hydrogenating olefinic compounds
Inventors:
Jens Weitkamp, Stefan Ernst, Thomas Bock, Thomas Kromminga, Akos Kiss, Peter Kleinschmit
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Apr 11, 1995
Inventors
Jens Weitkamp
Stefan Ernst
Thomas Bock
Thomas Kromminga
Akos Kiss
Peter Kleinschmit
Assignee (at issue)
Degussa 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.