Granted Patent
Utility
US 5,491,190 · App. 08/096,523
Repulpable hot melt polymer/fatty acid compositions for fibrous products
Inventors:
Paul E. Sandvick, Calvin J. Verbrugge
Patented Case
View Patent ↗
Granted: Feb 13, 1996
Filed: Jul 22, 1993
Inventors
Paul E. Sandvick
Calvin J. Verbrugge
Assignee (at issue)
S. C. JOHNSON & SON, INC.
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.