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:
Jun. 07, 1977
Filed:
Sep. 21, 1976
Applicant:
Inventors:
Assignee:
Kao Soap Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ;
U.S. Cl.
CPC ...
252551 ; 252 / ; 252135 ; 252532 ; 252533 ; 252534 ; 252535 ; 252536 ; 252537 ; 252539 ; 252540 ; 252550 ; 252552 ; 252553 ; 252554 ; 252555 ; 252556 ; 252558 ; 252559 ;
Abstract
A granular or powdery detergent composition comprising (I) as an active detergent component a surface active agent having a tendency to cake, and (II) as an anti-caking agent, from 0.2 to 20% by weight, based on the total weight of the detergent composition, of a carboxylic acid or an alkali metal salt thereof obtained by reacting (A) a polyalkylene glycol and (B) an acid anhydride, at an (A)/(B) mole ratio of from 1/2 to 1/1, said polyalkylene glycol being selected from (i) polyethylene glycols having an average molecular weight of 2000 to 10000 and (ii) nonionic surface active agents having the formula: ##STR1## wherein a, b and c are numbers satisfying the relations: