Granted Patent
Utility
US 6,313,221 · App. 09/579,892
Powder coating of epoxy-acrylic resin, polycarboxylic acid, crosslinked particles and liquid resin
Inventors:
Masami Yabuta, Yutaka Harada, Atsushi Yamada, Yasuhiko Nakae, Kazuhiko Nishimura, Haruhiko Sato
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: May 26, 2000
Inventors
Masami Yabuta
Yutaka Harada
Atsushi Yamada
Yasuhiko Nakae
Kazuhiko Nishimura
Haruhiko Sato
Assignee (at issue)
NIPPON PAINT HOLDINGS CO., LTD.
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.