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:
Nov. 16, 2004
Filed:
Jan. 10, 2003
Applicant:
Inventors:
Yuji Miyake, Gifu, JP;
Nobuyuki Kaga, Gifu, JP;
Assignee:
Shishiai-Kabushikigaisha, Gifu, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01K 5/00 ;
U.S. Cl.
CPC ...
C01K 5/00 ;
Abstract
A durable antifreeze/coolant composition for coolants for the cooling systems of internal combustion engines is disclosed. The composition is excellent in inhibiting corrosion of metal portions, especially iron and aluminum portions and effectively inhibits cavitation damage. The antifreeze/coolant composition includes about 0.1-8.0% by weight of C -C aliphatic dibasic acid and/or an alkali metal salt thereof and about 0.1-10% by weight of p-toluic acid and/or an alkali metal salt thereof.