Granted Patent
Utility
US 4,897,304 · App. 06/930,607
Virucidal composition, the method of use and the product therefor
Inventors:
Shafi U. Hossain, Kenneth R. Smith
Patented Case
View Patent ↗
Granted: Jan 30, 1990
Filed: Nov 12, 1986
Inventors
Shafi U. Hossain
Kenneth R. Smith
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.