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. 16, 1986
Filed:
Aug. 23, 1985
Applicant:
Inventors:
Mutsumi Kuroda, Utsunomiya, JP;
Moriyasu Murata, Utsunomiya, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
25217419 ; 252132 ; 252135 ; 252140 ; 25217421 ; 252179 ; 252180 ; 252181 ; 252142 ; 252D / ;
Abstract
A detergent composition containing citric acid or its salt and isocitric acid or its salt as builders is provided. This composition has a remarkable effect of inhibiting yellowing of clothes caused by iron components contained in washing water.