Granted Patent
Utility
US 5,939,488 · App. 08/951,055
Fast setting polyurethane hot melt adhesive composition comprising low hydroxyl number/high molecular weight polyester diols
Inventors:
James Nowicki, Robert S. Wallach
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Oct 15, 1997
Inventors
James Nowicki
Robert S. Wallach
Assignee (at issue)
National Starch and Chemical Investment Holding Copporation
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.