Granted Patent
Utility
US 6,599,985 · App. 09/974,130
Polypropylene materials with high melt flow rate and good molding characteristics and methods of making
Inventors:
Masaki Fujii, Sehyun Kim
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Oct 8, 2001
Inventors
Masaki Fujii
Sehyun Kim
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.