Granted Patent
Utility
US 6,153,694 · App. 09/269,331
Graft copolymer particles and thermoplastic resin compositions
Inventors:
Nobuo Miyatake, Kazunori Takikawa, Daisuke Nakamori, Shigeki Hamaguchi, Hideki Hosoi
Patented Case
View Patent ↗
Granted: Nov 28, 2000
Filed: Mar 25, 1999
Inventors
Nobuo Miyatake
Kazunori Takikawa
Daisuke Nakamori
Shigeki Hamaguchi
Hideki Hosoi
Assignee (at issue)
KANEKA CORPORATION
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.