Columnar aluminum titanate and method for producing same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8859447
APP PUB NO 20120329634A1
SERIAL NO

13583114

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Provided are aluminum titanate capable of providing a sintered body having a low coefficient of thermal expansion, a high porosity, and high mechanical strength, a production method of the same, and a sintered body of the columnar aluminum titanate. The columnar aluminum titanate has an average aspect ratio (=(number average major-axis length)/(number average minor-axis length)) of 1.5 or more and its magnesium content is preferably within the range of 0.5% to 2.0% by weight relative to the total amount of titanium and aluminum in terms of their respective oxides.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • OTSUKA CHEMICAL CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Itoi, Nobuki Tokushima, JP 13 85
Mishima, Takahiro Tokushima, JP 44 203
Mori, Hiroyoshi Tokushima, JP 47 401
Ogawa, Hidetoshi Tokushima, JP 7 28

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 14, 2026
Fee Large entity fee small entity fee micro entity fee
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00