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:
Apr. 19, 1994
Filed:
Nov. 03, 1992
Applicant:
Inventors:
Eiji Asada, Aichi, JP;
Hiromi Ogino, Aichi, JP;
Assignee:
Taiho Kogyo Co., Ltd., Toyota, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75231 ; 75232 ; 75235 ; 75236 ; 75238 ; 75240 ; 75247 ; 428552 ;
Abstract
A Cu--Sn based sintered material, which has an improved corrosion-resistance, is provided by setting the Pb content at 1 to less than 10% and adding from 0.1 to 30% of a hard matter(s) selected from the groups (a), (b), (c) and (d). The hard matter is