Granted Patent
Utility
US 4,758,674 · App. 06/858,778
Water soluble multicomplex of a poly(N-vinyl-2-pyrrolidone)-halogen complex and aminobenzoic acid
Inventor:
Eugene S. Barabas
Patented Case
View Patent ↗
Granted: Jul 19, 1988
Filed: May 2, 1986
Inventor
Eugene S. Barabas
Assignee (at issue)
GAF 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.