Granted Patent
Utility
US 5,562,995 · App. 08/383,122
Discoloration prevention in pyrithione-containing coating compositions
Inventors:
Paul S. Kappock, Craig Waldron
Patented Case
View Patent ↗
Granted: Oct 8, 1996
Filed: Feb 3, 1995
Inventors
Paul S. Kappock
Craig Waldron
Assignee (at issue)
Olin Corporation
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.