Granted Patent
Utility
US 4,684,439 · App. 06/917,640
Creping adhesives containing polyvinyl alcohol and thermoplastic polyamide resins derived from poly(oxyethylene) diamine
Inventor:
Dave Allen Soerens
Patented Case
View Patent ↗
Granted: Aug 4, 1987
Filed: Oct 10, 1986
Inventor
Dave Allen Soerens
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.