Granted Patent
Utility
US 5,883,154 · App. 08/670,051
Discoloration prevention in pyrithione-containing coating compositions
Inventors:
Paul S. Kappock, Craig Waldron
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Jun 25, 1996
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.