Granted Patent
Utility
US 5,646,227 · App. 08/593,129
Low surface energy polyisocyanates and their use in one- or two-component coating compositions
Inventors:
William E. Slack, Edward P. Squiller, Philip E. Yeske
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: Feb 1, 1996
Inventors
William E. Slack
Edward P. Squiller
Philip E. Yeske
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.