Granted Patent
Utility
US 4,440,898 · App. 06/389,192
Creping adhesives containing ethylene oxide/propylene oxide copolymers
Inventors:
William S. Pomplun, Herbert E. Grube
Patented Case
View Patent ↗
Granted: Apr 3, 1984
Filed: Jun 17, 1982
Inventors
William S. Pomplun
Herbert E. Grube
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.