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:
May. 22, 1990
Filed:
Apr. 14, 1988
Applicant:
Inventors:
Joshua Schwarz, Brooklyn, NY (US);
Christine Accardi, Lodi, N;
Assignee:
Lever Brothers Company, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06L / ; C11D / ;
U.S. Cl.
CPC ...
25218639 ; 25218638 ; 25218641 ; 25218621 ; 25218623 ; 25218643 ; 8111 ;
Abstract
A bleaching composition is disclosed comprising a peroxygen bleaching compound, capable of yielding hydrogen peroxide in an aqueous media, and one or more bleach precursors wherein the peroxygen bleaching compound and precursor are present in a molar ratio that ranges from 0.1 to 2. It is also important that bleaching occur in an aqueous media held at a pH from 8.5 to 9.4. A combination of sodium perborate and sodium benzoyloxybenzene sulfonate is the preferred bleaching composition.