Granted Patent
Utility
US 6,541,549 · App. 09/430,969
Non-xenoestrogenic stabilizers for organic materials
Inventors:
Scott R. Archibald, Tracy L. Coffin-Werner
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Nov 1, 1999
Inventors
Scott R. Archibald
Tracy L. Coffin-Werner
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.