Granted Patent
Utility
US 5,795,949 · App. 08/750,609
Use of dimerdiol in polyurethane moldings
Inventors:
Peter Daute, Roland Gruetzmacher, Alfred Westfechtel, Nicole Mertscheit
Patented Case
View Patent ↗
Granted: Aug 18, 1998
Filed: Dec 10, 1996
Inventors
Peter Daute
Roland Gruetzmacher
Alfred Westfechtel
Nicole Mertscheit
Assignee (at issue)
Henkel Kommanditgesellschaft auf Aktien
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.