Granted Patent
Utility
US 6,730,405 · App. 10/107,881
Polyisocyanate composition of low viscosity having a high functionality and preparation process
Inventors:
Jean-Marie Bernard, Ming J. Chen, Qiwen Han
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Mar 27, 2002
Inventors
Jean-Marie Bernard
Ming J. Chen
Qiwen Han
Assignee (at issue)
RHODIA CHIMIE
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.