Granted Patent
Utility
US 6,784,250 · App. 10/276,332
Resin composition for calendering and polyolefin material for leather-like article
Inventor:
Masato Kijima
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Nov 26, 2002
Inventor
Masato Kijima
Assignee (at issue)
Idemitsu Petrochemical Co., Ltd.
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.