Granted Patent
Utility
US 5,597,930 · App. 08/443,504
Aspartate-functional polyhydantoin prepolymers and their use in coating compositions
Inventors:
Douglas A. Wicks, Lyuba K. Gindin, Philip E. Yeske, E. Haakan Jonsson
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: May 18, 1995
Inventors
Douglas A. Wicks
Lyuba K. Gindin
Philip E. Yeske
E. Haakan Jonsson
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.