Granted Patent
Utility
US 4,920,188 · App. 07/334,105
Curable compositions
Inventors:
Takeshi Sakashita, Narimichi Honda, Masami Arata
Patented Case
View Patent ↗
Granted: Apr 24, 1990
Filed: Mar 3, 1989
Inventors
Takeshi Sakashita
Narimichi Honda
Masami Arata
Assignee (at issue)
Mitsui Petrochemical Industries, 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.