Granted Patent
Utility
US 6,284,696 · App. 09/202,046
Mesopore molecular sieve and process for the production thereof
Inventors:
Masahiko Koya, Hitoshi Nakajima, Itsuho Aishima
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Mar 23, 1999
Inventors
Masahiko Koya
Hitoshi Nakajima
Itsuho Aishima
Assignees (at issue)
ASAHI KASEI KOGYO CO., LTD.
The Noguchi Institute
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.