Granted Patent
Utility
US 5,658,487 · App. 08/551,589
Polymeric dithiocarbamate acid salt compositions and method of use
Inventors:
William S. Carey, Ellen M. Meyer
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Nov 1, 1995
Inventors
William S. Carey
Ellen M. Meyer
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.