Granted Patent
Utility
US 5,124,425 · App. 07/635,588
Curable polyurethane composition excellent in flexibility
Inventors:
Toshihiko Higuchi, Sigeyuki Kozawa, Nobuaki Kunji
Patented Case
View Patent ↗
Granted: Jun 23, 1992
Filed: Jan 9, 1991
Inventors
Toshihiko Higuchi
Sigeyuki Kozawa
Nobuaki Kunji
Assignee (at issue)
ASAHI GLASS 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.