Granted Patent
Utility
US 6,652,827 · App. 09/763,561
Process for the recovery of sulphur from a hydrogen sulphide, containing gas
Inventors:
Johannes Borsboom, Petrus Franciscus M. T. van Nisselrooij
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: May 1, 2001
Inventors
Johannes Borsboom
Petrus Franciscus M. T. van Nisselrooij
Assignee (at issue)
Jacobs Nederland B.V.
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.