The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 28, 2017
Filed:
Oct. 31, 2013
Denka Company Limited, Tokyo, JP;
Saffil Limited, Merseyside, GB;
Yasutaka Ohshima, Niigata, JP;
Masaaki Watanabe, Niigata, JP;
Masanori Hisamoto, Fukuoka, JP;
Ryoetsu Yoshino, Niigata, JP;
Kazutaka Fujita, Niigata, JP;
Masataka Eguchi, Niigata, JP;
Adam Kelsall, Merseyside, GB;
Kelvin Weeks, Merseyside, GB;
Jonathan Cross, Merseyside, GB;
DENKA COMPANY LIMITED, Tokyo, JP;
SAFFIL LIMITED, Merseyside, GB;
Abstract
To provide an alumina-based fibrous mass having a high areal pressure and is usable as a holding material for an exhaust gas cleaners and a production process thereof; the alumina-based fibrous mass has a chemical composition containing an AlOin an amount of 70% or more and less than 90% and having a total pore volume of 0.0055 mL/g or less.