Granted Patent
Utility
US 4,565,856 · App. 06/660,208
Pyrithione-containing bioactive polymers and their use in paint and wood preservative products
Inventors:
Samuel I. Trotz, Theodore H. Fedynyshyn
Patented Case
View Patent ↗
Granted: Jan 21, 1986
Filed: Oct 12, 1984
Inventors
Samuel I. Trotz
Theodore H. Fedynyshyn
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.