Granted Patent
Utility
US 5,756,001 · App. 08/636,305
High concentration alumina sol of low viscosity
Inventors:
Hiroo Mori, Hachirou Hirano, Masaharu Tanaka, Kunihiko Terase
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Apr 23, 1996
Inventors
Hiroo Mori
Hachirou Hirano
Masaharu Tanaka
Kunihiko Terase
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.