Granted Patent
Utility
US 6,165,315 · App. 09/303,687
Reactor for the synthesis of urea
Inventors:
Kees Jonckers, Hendrik F. Perree
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: May 3, 1999
Inventors
Kees Jonckers
Hendrik F. Perree
Assignee (at issue)
DSM N.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.