Granted Patent
Utility
US 5,807,802 · App. 08/679,270
Stable aqueous dispersions of dibutyltin oxide
Inventors:
RoseMarie E. Stewart, Harold W. Mark, Oliver Schumacher, Ulrich Stewen
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Jul 12, 1996
Inventors
RoseMarie E. Stewart
Harold W. Mark
Oliver Schumacher
Ulrich Stewen
Assignee (at issue)
Witco Corporation
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.