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:
Mar. 29, 2011
Filed:
Jan. 12, 2007
Applicant:
Mitsuo Unno, Hitachi, JP;
Inventor:
Mitsuo Unno, Hitachi, JP;
Assignee:
Hitachi Chemical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a composition for a friction material that is suitable for the production of friction materials such as disc brake pads or brake linings used for braking automobiles or the like, and also relates to a friction material that uses the composition. The composition for a friction material according to the present invention comprises a fibrous substrate, a binder and a filler, wherein the fibrous substrate comprises at least two types of biosoluble ceramic fibers having different fiber lengths.