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.:

US 6528471 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 04, 2003

Filed:

Jul. 11, 2001
Applicant:
Inventors:

Valerio Del Duca, Massalubrense, IT;

Andrea Esposito, Rome, IT;

Milena Leone, Gallarate, IT;

Assignee:

The Procter & Gamble Company, Cincinnati, OH (US);

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

A process of treating fabrics comprises the steps of forming an aqueous bath comprising water, dissolving or dispersing a conventional laundry detergent therein, adding a liquid composition comprising a peroxygen bleach, a builder and a modified polycarboxylate co-builder and subsequently contacting said fabrics with said aqueous bath. Furthermore, the use of a builder and a modified polycarboxylate co-builder in a laundry additive comprising a peroxygen bleach to treat fabrics, whereby stain removal and/or bleaching benefits are provided, is also claimed.


Find Patent Forward Citations

Del Duca, Valerio. (2003). Process of treating fabrics with a laundry additive (U.S. Patent No. 6528471). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6528471

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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