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:
Nov. 13, 2001

Filed:

Jun. 19, 2000
Applicant:
Inventors:

Valerio Del Duca, Massalubrense, IT;

Stefano Giunti, Fermignano, IT;

Sabina Antonioli, Rome, IT;

Assignee:

The Procter & Gamble Co., Cincinnati, OH (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D 3/395 ; C11D 3/60 ;
U.S. Cl.
CPC ...
C11D 3/395 ; C11D 3/60 ;
Abstract

The present invention relates to a liquid bleaching composition comprising a peroxygen bleach and a salt free zwitterionic betaine surfactant. These compositions are suitable to deliver excellent stain removal performance and bleaching performance on fabrics, with improved safety to the fabrics and colors especially under pretreatment conditions.


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