Granted Patent
Utility
US 5,308,585 · App. 07/997,089
Process and apparatus for cooling hot solids coming from a fluidized bed reactor
Inventors:
Michael Ströder, Johannes Albrecht, Martin Hirsch, Rainer Reimert, Wladyslaw Lewandowski, Rudolf Kral
Patented Case
View Patent ↗
Granted: May 3, 1994
Filed: Dec 29, 1992
Inventors
Michael Ströder
Johannes Albrecht
Martin Hirsch
Rainer Reimert
Wladyslaw Lewandowski
Rudolf Kral
Assignee (at issue)
Metallgesellschaft 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.