WO2012054835A1 - Bis-azo colorants for use as bluing agents - Google Patents

Bis-azo colorants for use as bluing agents Download PDF

Info

Publication number
WO2012054835A1
WO2012054835A1 PCT/US2011/057290 US2011057290W WO2012054835A1 WO 2012054835 A1 WO2012054835 A1 WO 2012054835A1 US 2011057290 W US2011057290 W US 2011057290W WO 2012054835 A1 WO2012054835 A1 WO 2012054835A1
Authority
WO
WIPO (PCT)
Prior art keywords
alkyl
example
substituted
composition
group
Prior art date
Application number
PCT/US2011/057290
Other languages
French (fr)
Inventor
Xiaoyong Michael Hong
Robert Linn Mchaffey
Gregory Scot Miracle
Eduardo Torres
Dominick Joseph Valenti
Original Assignee
The Procter & Gamble Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to US12/910,258 priority Critical
Priority to US12/910,258 priority patent/US20120101018A1/en
Application filed by The Procter & Gamble Company filed Critical The Procter & Gamble Company
Publication of WO2012054835A1 publication Critical patent/WO2012054835A1/en

Links