Granted Patent
Utility
US 5,504,178 · App. 08/459,936
One-component coating compositions containing oxime- or lactam-blocked polyisocyanates which have improved resistance to yellowing
Inventors:
Myron W. Shaffer, Terry A. Potter, Lanny D. Venham, Peter D. Schmitt
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: Jun 2, 1995
Inventors
Myron W. Shaffer
Terry A. Potter
Lanny D. Venham
Peter D. Schmitt
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.