Granted Patent
Utility
US 5,039,708 · App. 07/566,651
Biocidal compositions and use thereof containing a synergistic mixture of glutaraldehyde and bis(trichloromethyl) sulfone
Inventors:
John T. Conlan, Wilson K. Whitekettle
Patented Case
View Patent ↗
Granted: Aug 13, 1991
Filed: Aug 13, 1990
Inventors
John T. Conlan
Wilson K. Whitekettle
Assignee (at issue)
Betz Laboratories, 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.