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:
Oct. 17, 1978
Filed:
Aug. 10, 1977
Kouichi Yagi, Tokyo, JP;
Yunosuke Nakagawa, Koshigaya, JP;
Kao Soap Co., Ltd., Tokyo, JP;
Abstract
A bleaching composition comprising 50 to 99.9 wt.% of an inorganic peroxide and 0.01 to 10 wt.% of a compound having the formula: ##STR1## wherein R.sub.1 is hydrogen or alkyl having 1 to 3 carbon atoms, ##STR2## is a radical of a 5 member or 6 member heterocyclic ring system containing only nitrogen and carbon, or nitrogen, oxygen and carbon, atoms in the ring, which can be fused to a benzene ring or another heterocyclic ring to give a polycyclic radical, R.sub.2 is hydrogen or substituted or unsubstituted alkyl having 1 to 10 carbon atoms, substituted or unsubstituted phenyl, pyridyl or pyrrolidone group, R.sub.3 is hydrogen, substituted or unsubstituted alkyl, phenyl, alkoxy, phenoxy, amino, acyloxy, carbamoyl or acyl group or halogen, or R.sub.3 may form together with R.sub.4 a benzo radical, and R.sub.4 is hydrogen or a monovalent group --R.sub.5 Y in which R.sub.5 is alkylene or alkylidene having 1 to 6 carbon atoms or a phenylene group and Y is a group corresponding to the residue of the above general formula from which R.sub.4 has been removed, or R.sub.4 may form a benzo group together with R.sub.3.