Granted Patent
Utility
US 6,773,821 · App. 10/028,368
Resin composition for capstock
Inventors:
Kazuhisa Tajima, Riichi Nishimura, Takahiko Sugaya
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Dec 28, 2001
Inventors
Kazuhisa Tajima
Riichi Nishimura
Takahiko Sugaya
Assignees (at issue)
KANEKA CORPORATION
Kaneka Texas 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.