Granted Patent
Utility
US 6,756,431 · App. 10/119,443
Heterocyclic tin flame retardants/smoke suppressants and halogen-containing polymer composition containing same
Inventors:
Mukund Shah, Michael H. Fisch, Ulrich Stewen, Radu Bacaloglu
Patented Case
View Patent ↗
Granted: Jun 29, 2004
Filed: Apr 9, 2002
Inventors
Mukund Shah
Michael H. Fisch
Ulrich Stewen
Radu Bacaloglu
Assignee (at issue)
Crompton 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.