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:
Jul. 31, 2018
Filed:
Sep. 25, 2014
Tamura Corporation, Tokyo, JP;
Masahiro Tsuchiya, Iruma, JP;
Akira Kitamura, Iruma, JP;
Momoko Seino, Iruma, JP;
Masaya Arai, Iruma, JP;
TAMURA CORPORATION, Tokyo, JP;
Abstract
A soldering flux includes a base resin, an activator, and a solvent. The activator contains an acrylic resin having an acid value of not more than 50 mg KOH/g and represented by a general formula (1). A monomer weight ratio of a, b, and c is b/(a+b+c)≥0.6, at least one of a and c may be 0, Ris an alkyl group having a carbon number of 8 to 24, Ris a substituent other than the Rand may be one of substituents including a hydrogen atom, a methyl group, an alkyl group, an aryl group, and a hydroxyl group or a combination of a plurality of substituents, and R, R, and Rare hydrogen atoms or methyl groups. The solvent contains a compound having a carboxyl group in a cyclohexyl skeleton and represented by a general formula (2).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile