Granted Patent
Utility
US 6,211,345 · App. 09/470,534
Synthesis of cyclic sulfur silanes
Inventors:
Keith J. Weller, Lesley Hwang
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Dec 22, 1999
Inventors
Keith J. Weller
Lesley Hwang
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.