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.

Date of Patent:
Dec. 21, 1976

Filed:

Nov. 17, 1975
Applicant:
Inventors:

Moriyasu Murata, Chiba, J;

Makoto Yamanaka, Koganei, J;

Fumio Sai, Funabashi, J;

Takashi Fujino, Yokohama, J;

Assignee:

Kao Soap Co., Ltd., Tokyo, J;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ;
U.S. Cl.
CPC ...
252551 ; 252531 ; 252532 ; 252384 ; 252533 ; 252534 ; 252535 ; 252536 ; 252537 ; 252539 ; 252540 ; 252550 ; 252552 ; 252553 ; 252554 ; 252555 ; 252556 ; 252558 ; 252559 ;
Abstract

A granular or powdery detergent composition containing as a detergent active component a surfactant having a tendency to cake, wherein the composition contains as a caking-preventing agent the combination of (a) at least 0.2% by weight of a polyethylene glycol having a molecular weight of at least 2000 and (b) at least 0.2% by weight of at least one anhydrous organic acid, or anhydride, or salt thereof, selected from the group consisting of sulfosuccinic acid and its salts, maleic anhydride, maleic acid and its salts, succinic anhydride, succinic acid and its salts, the total amount of the components (a) and (b) being 0.4 to 40% by weight, based on the weight of the detergent composition.


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