Granted Patent
Utility
US 5,624,998 · App. 08/600,029
Hardenable composition, aqueous gel and applications
Inventors:
Hiroshi Itoh, Takashi Abe, Hideo Kamio, Hitoshi Yamashita, Atsuhiko Nitta
Patented Case
View Patent ↗
Granted: Apr 29, 1997
Filed: Feb 12, 1996
Inventors
Hiroshi Itoh
Takashi Abe
Hideo Kamio
Hitoshi Yamashita
Atsuhiko Nitta
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.