Granted Patent
Utility
US 5,247,007 · App. 07/669,015
Polypropylene resin composition and method for coating molded products of the resin composition
Inventors:
Katsuyuki Nitta, Keigo Suehiro, Yoichi Kawai, Katsumi Sekiguchi, Takeaki Inokuma, Yoshiyasu Kamiya
Patented Case
View Patent ↗
Granted: Sep 21, 1993
Filed: Mar 13, 1991
Inventors
Katsuyuki Nitta
Keigo Suehiro
Yoichi Kawai
Katsumi Sekiguchi
Takeaki Inokuma
Yoshiyasu Kamiya
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.