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:
Sep. 22, 1998
Filed:
Oct. 10, 1995
CCI Co., Ltd., Gifu, JP;
Abstract
Coolant compositions are disclosed which include only a minimum amount of metal corrosion inhibitor. The coolant compositions effectively inhibit: (1) metal corrosion; (2) precipitation of the included metal corrosion inhibitor; (3) oxidative deterioration of the included glycol; (4) lowering of the pH value of coolant fluid; and (5) chemical reaction with hard water components. A coolant composition of the invention includes an alkylbenzoic acid (or acids) or a salt (or salts) thereof, a hydrocarbon triazole and an alkali nitrate in addition to a glycol (or glycols) as a base, water and others. It is characteristic that the coolant compositions of the present invention do not include any aliphatic monobasic acids.