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. 07, 2013
Filed:
Aug. 23, 2010
Suzanne Khalaf, Brussels, BE;
Olga Vladimirovna Pryadilova, Jette, BE;
Regine Labeque, Neder over Heembeek, BE;
Suzanne Khalaf, Brussels, BE;
Olga Vladimirovna Pryadilova, Jette, BE;
Regine Labeque, Neder over Heembeek, BE;
The Procter & Gamble Company, Cincinnati, OH (US);
Abstract
The present application relates to a process of color neutralizing treatment liquids, wherein the treatment liquid comprises a chromophore selected from the group consisting of monoazo, triarylmethane, xanthene, anthraquinone, hydrophobic dyes, and mixtures thereof, wherein the hydrophobic dyes are selected from the group consisting of benzodifuranes; methine; triphenylmethanes; naphthalimides; pyrazole; naphthoquinone; mono-azo, di-azo dyes and mixtures thereof, said process comprising the steps of: