Granted Patent
Utility
US 6,777,470 · App. 09/867,198
Polyolefin additive packages for producing articles with enhanced stain resistance
Inventors:
Steven Seip, Sharon Thompson, Edwin Townsend
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: May 29, 2001
Inventors
Steven Seip
Sharon Thompson
Edwin Townsend
Assignee (at issue)
Sunoco, Inc. (R&M)
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.