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:
Jul. 02, 1985
Filed:
Aug. 31, 1981
Applicant:
Inventor:
Fred K Rubin, Leonia, NJ (US);
Assignee:
Lever Brothers Company, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
252113 ; 252 891 ; 252173 ; 25217419 ; 25217425 ; 252407 ; 252541 ; 252542 ; 252558 ; 252D / ; 8525 ; 8599 ;
Abstract
This invention discloses a color stabilized aqueous detergent composition comprising in percent by weight of the composition (a) about 0.25% to about 95% surfactant; (b) about 0.0001% to about 0.5% dye; and (c) about 0.1% to about 5% polyhydroxy carboxylic acid or a salt thereof whereby color fading of said dye in said composition is substantially prevented.