Patent ID: 8022100
Filing Date: 2011-09-20
Classification: C08G,C08K,C08L,C09B,C11D,D21H

Abstract:
1. A whitening agent for cellulosic substrates comprising: (a) at least one chromophore component that comprises a thiophene colorant, and (b) at least one polymeric component; wherein the whitening agent is characterized by the following structure: Wherein R 1 and R 2 are independently selected from: a) ((CH b) R c) R d) wherein R Wherein R 5 , R 6 , R 7 and R 8 are independently selected from the group consisting of hydrogen, alkyl, oxyalkyl, oxyaryl, sulfonaidoalkyl, sulfonamidoaryl, amidoalkyl, amidodialkyl, amidoaryl, amidodiaryl, halogen, thioalkyl and thioaryl.