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:
Aug. 26, 1980
Filed:
Sep. 19, 1978
Applicant:
Inventors:
Isao Manabe, Itano, JP;
Akiyoshi Inubushi, Itano, JP;
Assignee:
Otsuka Chemical Co., Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F / ; C23F / ; C23F / ; C23F / ;
U.S. Cl.
CPC ...
252 75 ; 252 76 ; 252 77 ; 2523 / ; 252392 ; 252396 ; 422 16 ; 422 17 ; 422 18 ;
Abstract
Metal corrosion inhibitor comprising (a) benzoic acid and/or a benzoate, (b) a trialkanolamine, (c) phosphoric acid and/or a phosphate, and (d) at least one selected from mercaptobenzothiazole, its salts, benzotriazole and tolyltriazole, which can exhibit excellent anti-corrosive property to various metals for a long term and can be diluted with an aqueous liquor and can be employed in combination with usual anti-freezing agents.