Granted Patent
Utility
US 6,077,341 · App. 09/161,386
Silica-metal oxide particulate composite and method for producing silica agglomerates to be used for the composite
Inventors:
Kunihiko Terase, Masaharu Tanaka, Masaki Inoue, Eiichi Ono, Takayoshi Sasaki
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: Sep 28, 1998
Inventors
Kunihiko Terase
Masaharu Tanaka
Masaki Inoue
Eiichi Ono
Takayoshi Sasaki
Assignees (at issue)
ASAHI GLASS CO., LTD.
DOHKAI CHEMICAL INDUSTRY 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.