Granted Patent
Utility
US 4,528,316 · App. 06/661,859
Creping adhesives containing polyvinyl alcohol and cationic polyamide resins
Inventor:
Dave A. Sorens
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: Oct 18, 1984
Inventor
Dave A. Sorens
Assignee (at issue)
Kimberly-Clark 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.