Granted Patent
Utility
US 5,514,723 · App. 08/533,982
Water-blown integral skin polyurethane foams and catalysts useful therein
Inventors:
Edmund J. Madaj, Kurt Walter
Patented Case
View Patent ↗
Granted: May 7, 1996
Filed: Sep 26, 1995
Inventors
Edmund J. Madaj
Kurt Walter
Assignee (at issue)
Bayer Aktiengesellschaft
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.