Granted Patent
Utility
US 6,696,544 · App. 10/009,523
Method for making polyamides
Inventors:
Jean-Francois Thierry, Matthieu Helft
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Aug 8, 2002
Inventors
Jean-Francois Thierry
Matthieu Helft
Assignees (at issue)
RHODIANYL
Dominique Kayser
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.