Granted Patent
Utility
US 5,777,061 · App. 08/601,597
Blocked polyisocyanate crosslinkers for providing improved flow properties to coating compositions
Inventors:
Kenneth P. Yonek, Lanny D. Venham, Philip E. Yeske, Edward P. Squiller
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Feb 14, 1996
Inventors
Kenneth P. Yonek
Lanny D. Venham
Philip E. Yeske
Edward P. Squiller
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.