Granted Patent
Utility
US 6,476,101 · App. 09/725,754
Method for producing pigment dispersing resin for cationic electrodeposition paint
Inventors:
Masahiro Takegawa, Makoto Ando, Keisuke Tsutsui, Shinsuke Shirakawa, Mitsuo Yamada
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Nov 30, 2000
Inventors
Masahiro Takegawa
Makoto Ando
Keisuke Tsutsui
Shinsuke Shirakawa
Mitsuo Yamada
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.