Granted Patent
Utility
US 6,248,802 · App. 09/096,389
Isocyanate compositions for blown polyurethane foams
Inventors:
Sachchida N. Singh, Steven Burns
Patented Case
View Patent ↗
Granted: Jun 19, 2001
Filed: Jun 11, 1998
Inventors
Sachchida N. Singh
Steven Burns
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.