Granted Patent
Utility
US 6,355,829 · App. 09/389,686
Aspartate-terminated urea/urethane prepolymers and their use in coating compositions
Inventors:
Richard R. Roesler, Lyubov Gindin, P. Richard Hergenrother
Patented Case
View Patent ↗
Granted: Mar 12, 2002
Filed: Sep 2, 1999
Inventors
Richard R. Roesler
Lyubov Gindin
P. Richard Hergenrother
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.