Granted Patent
Utility
US 6,827,433 · App. 10/079,822
Ink composition containing polyether-modified polysiloxane
Inventors:
Kiyohiko Takemoto, Masaaki Itano, Hiroaki Segawa
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Feb 20, 2002
Inventors
Kiyohiko Takemoto
Masaaki Itano
Hiroaki Segawa
Assignee (at issue)
SEIKO EPSON 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.