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:
Dec. 08, 1998
Filed:
Mar. 25, 1996
Applicant:
Inventors:
Toru Shiino, Hirakata, JP;
Kenichi Nobuta, Ikoma, JP;
Yoshikazu Yamagata, Katano, JP;
Tokihiko Shimizu, Ikoma-gun, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka-fu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C23G / ;
U.S. Cl.
CPC ...
510175 ; 510176 ; 510405 ; 510407 ; 510413 ; 510421 ; 510506 ;
Abstract
A cleaning agent for removing a residue of soldering flux, which essentially consists of mono-, di-, or tri-alkylene glycol mono branched C.sub.3 -C.sub.5 alkyl ether, which can remove with high safety both ionic residues and resinous materials contained in a soldering flux, which remain on the surface of a soldered electronic substrate. The cleaning agent of the present invention does not adversely affect the insulation and materials used in an electronic device.