Granted Patent
Utility
US 5,541,256 · App. 08/262,027
Process for preparing synthetic resin powder having improved blocking resistance
Inventors:
Akira Takaki, Toshiyuki Mori, Toshiro Shimatani, Toshihiko Hasegawa
Patented Case
View Patent ↗
Granted: Jul 30, 1996
Filed: Jun 17, 1994
Inventors
Akira Takaki
Toshiyuki Mori
Toshiro Shimatani
Toshihiko Hasegawa
Assignee (at issue)
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
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.