Granted Patent
Utility
US 6,110,238 · App. 09/235,723
Process for improving the cold-flow properties of fuel oils
Inventors:
Matthias Krull, Werner Reimann
Patented Case
View Patent ↗
Granted: Aug 29, 2000
Filed: Jan 22, 1999
Inventors
Matthias Krull
Werner Reimann
Assignee (at issue)
Clariant Corporation
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.