Granted Patent
Utility
US 5,516,873 · App. 08/273,551
Polyisocyanate/polyamine mixtures and their use for the production of polyurea coatings
Inventors:
Sharon D. Hicks, Douglas A. Wicks, Edward P. Squiller, David C. McClurg, Terrell D. Wayt, Robert Andrew Wade
Patented Case
View Patent ↗
Granted: May 14, 1996
Filed: Jul 11, 1994
Inventors
Sharon D. Hicks
Douglas A. Wicks
Edward P. Squiller
David C. McClurg
Terrell D. Wayt
Robert Andrew Wade
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.