Granted Patent
Utility
US 6,635,722 · App. 09/847,512
Moisture-curable polyurethane hot melt adhesives containing reactive amine catalysts
Inventors:
Yingjie Li, Jason D. Lohrey
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: May 2, 2001
Inventors
Yingjie Li
Jason D. Lohrey
Assignee (at issue)
Henkel Limited
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.