Granted Patent
Utility
US 6,287,705 · App. 09/529,418
Propylene random copolymer, propylene resin composition, film of these, and multilayered propylene resin laminate
Inventors:
Yasushi Seta, Yutaka Minami
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: May 1, 2000
Inventors
Yasushi Seta
Yutaka Minami
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.