Granted Patent
Utility
US 6,204,327 · App. 09/147,076
Vinyl chloride resin composition
Inventors:
Akira Takaki, Shinichi Yauchi, Koji Yui, Riichi Nishimura, Kentaro Takesada
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Apr 27, 1999
Inventors
Akira Takaki
Shinichi Yauchi
Koji Yui
Riichi Nishimura
Kentaro Takesada
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.