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. 12, 2008
Filed:
Sep. 21, 2001
Applicants:
Masayuki Shinkai, Ama-gun, JP;
Masahiro Kida, Ama-gun, JP;
Inventors:
Masayuki Shinkai, Ama-gun, JP;
Masahiro Kida, Ama-gun, JP;
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A porous composite material includes a metal material for forming a matrix, and at least two kinds of fine particle materials having different wettabilities with respect to the metal material. The porous composite material is provided by melting and impregnating the metal material for forming a matrix with the mixture of at least two kinds of fine particle materials. The porous composite material has excellent characteristics in shock absorbency, acoustics, non-combustibility, lightness, rigidity, and so forth.