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:
Dec. 31, 2002
Filed:
Apr. 20, 2000
Nobuyoshi Yamaguchi, Wakayama, JP;
Hiroshi Noro, Wakayama, JP;
Shigeaki Fujinami, Wakayama, JP;
Masakazu Furukawa, Wakayama, JP;
Kazuyoshi Ozaki, Wakayama, JP;
Masataka Maki, Wakayama, JP;
Nobuyuki Ogura, Wakayama, JP;
Muneo Aoyagi, Wakayama, JP;
Kao Corporation, Tokyo, JP;
Abstract
The present invention provides a granulated bleaching activator having a high solubility, that is, a granulated bleaching activator comprising (a) a bleaching activator and (b) at least one nonionic surfactant selected from the group consisting of a nonionic surfactant (b1) having a melting point less than 20° C. and an alkylene oxide addition type nonionic surfactant (b2) having a melting point less than 20° C., (b1) fulfilling the specific requirements concerning solubility, in a specific ratio.