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. 04, 2001
Filed:
Sep. 15, 1998
Shu Yamaguchi, Wakayama, JP;
Hitoshi Tanimoto, Wakayama, JP;
Masaki Tsumadori, Wakayama, JP;
Hiroyuki Yamashita, Wakayama, JP;
Kao Corporation, Toyko, JP;
Abstract
The present invention is targeted to obtain a high-density granular detergent composition for clothes washing having sufficient detergency even when the amount of dosage is small without lowering its detergency even after long-term storage by blending a non-soap anionic surfactant and a crystalline alkali metal silicate in a state of non-contact as much as possible. The high-density granular detergent composition for clothes washing, the granular detergent composition having a bulk density of from 0.7 to 1.2 g/cm,, including (A) a non-soap anionic surfactant; (B) a crystalline alkali metal silicate; and (C) a metal ion capturing agent other than Component (B). In the above detergent composition, Component (A) is added in an amount of from 10 to 50% by weight, and a total amount of Component (B) and Component (C) is from 30 to 80% by weight, and a weight ratio of Component (B) to Component (C) is (B)/(C)=1/15 to 5/1, and at least a part of (B) the crystalline alkali metal silicate is blended in builder granules, the builder granules including the crystalline alkali metal silicate, a binder and optionally an aluminosilicate. Further, (A) the non-soap anionic surfactant is contained in the builder granules in an amount of less than 10% by weight.