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:
Feb. 13, 2018
Filed:
Sep. 19, 2008
Applicants:
Hirohisa Suwabe, Shimotsuke, JP;
Masaru Yoshida, Moka, JP;
Tomomasa Kumagai, Miyako-gun, JP;
Inventors:
Assignee:
HITACHI METALS, LTD., Minatu-ku, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 3/12 (2006.01); C04B 35/00 (2006.01); C03C 10/14 (2006.01); F27B 14/00 (2006.01); C04B 35/478 (2006.01); C04B 35/626 (2006.01); C04B 38/00 (2006.01); C04B 111/00 (2006.01);
U.S. Cl.
CPC ...
C04B 35/478 (2013.01); C04B 35/62665 (2013.01); C04B 38/0006 (2013.01); C04B 2111/00793 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/3463 (2013.01); C04B 2235/5436 (2013.01); C04B 2235/5445 (2013.01); C04B 2235/5472 (2013.01); Y10T 428/24149 (2015.01);
Abstract
A honeycomb structure having crystal phases of aluminum titanate and mullite, which is obtained by sintering a honeycomb molding made of a mixture comprising titania powder, alumina powder, silica powder and mullite powder, the mixture containing 1-10 parts by mass of silica powder and 5-30 parts by mass of mullite powder per the total amount (100 parts by mass) of the titania powder and the alumina powder, and the mullite powder containing 40-60% by mass of particles having particle sizes of 10-50 gm and 5-30% by mass of particles having particle sizes of 3 gm or less, and its production method.