Granted Patent
Utility
US 4,548,847 · App. 06/569,417
Delayed-swelling absorbent systems
Inventors:
Gerard M. Aberson, Gerard J. F. Ring
Patented Case
View Patent ↗
Granted: Oct 22, 1985
Filed: Jan 9, 1984
Inventors
Gerard M. Aberson
Gerard J. F. Ring
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.