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:
Feb. 24, 1976
Filed:
Jun. 13, 1973
Hideo Yamaguchi, Naruto, JA;
Takashi Kawasaki, Tokushima, JA;
Shigeo Takahashi, Tokushima, JA;
Akiyoshi Inubuse, Tokushima, JA;
Otsuka Kagaku Yakuhin Kabushiki Kaisha, Osaka, JA;
Abstract
A corrosion inhibiting composition which comprises an aqueus medium having dissolved therein an effective amount of at least one of water-soluble 8-hydroxy-s-triazolo[b]pyridazine compounds and watersoluble salts thereof, said water-soluble 8-hydroxy-s-triazolo[b]pyridazine compound having the formula of ##SPC1## Wherein R.sub.1 is hydrogen atom or an alkyl group having 1 to 4 carbon atoms: R.sub.2 is hydrogen atom, an alkyl group having 1 to 10 carbon atoms, phenyl, hydroxyphenyl, nitrophenyl, benzyl, hydroxybenzyl or nitrobenzyl group; and a method for inhibiting corrosion of a metal which comprises contacting a metal with said composition.