Granted Patent
Utility
US 5,489,704 · App. 08/297,357
Polyisocyanate/polyamine mixtures and their use for the production of polyurea coatings
Inventors:
Edward P. Squiller, Christian Zweiner
Patented Case
View Patent ↗
Granted: Feb 6, 1996
Filed: Aug 29, 1994
Inventors
Edward P. Squiller
Christian Zweiner
Assignees (at issue)
Bayer Aktiengesellschaft
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.