Granted Patent
Utility
US 6,818,690 · App. 09/701,376
Propylene/ethylene block copolymer composition for exterior automotive part
Inventors:
Yutaka Kobayashi, Kenji Tanaka, Yoshihisa Saeki
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Nov 30, 2000
Inventors
Yutaka Kobayashi
Kenji Tanaka
Yoshihisa Saeki
Assignees (at issue)
Idemitsu Petrochemical Co., Ltd.
HONDA MOTOR 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.