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. 27, 2007
Filed:
Jun. 26, 2003
Hiroyuki Ohashi, Niigata, JP;
Tomoo Saito, Niigata, JP;
Koichi Fuji, Niigata, JP;
Denki Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
An aggregate with small fiber deterioration even after being held under compression under heating at about 1,000° C. for a long term, and a holding material of e.g. a catalyst carrier of a catalyst converter or a honeycomb body of DPE employing it, are provided. An inorganic short fiber aggregate for a holding material, which is an aggregate of inorganic short fibers having a chemical composition of from 74 to 86 mass % of an alumina component and from 26 to 14 mass % of a silica component and having a mineral composition of from 15 to 60 mass % of mullite, wherein the average fiber diameter of the aggregate is from 2 to 8 μm, at least 99% (including 100%) of the number of the inorganic short fibers consists of fibers having fiber diameters of from 1.5 to 15 μm, and the specific surface area is at most 10 m/g. Its production process, and a holding material consisting of a sheet-shape formed product comprising the aggregate and an organic binder contained in the aggregate, wherein inorganic short fibers are employed.