US7429294B2

Color compositions

University of Texas System

Abstract

What is claimed: 1. A composition comprising: a) a molecular derivative of indigo; and b) a fibrous clay. 2. The composition of claim 1 , wherein a color/hue of said composition is determined by a concentration of said molecular derivative of indigo and pH of said composition. 3. The composition of

University: University of Texas System
Assignee: Board Of Regents, The University Of Texas System
Inventor: Russell Chianelli
Priority date: June 19, 2002
Filing date: May 30, 2006
Grant date: September 30, 2008
Publication date: September 30, 2008
Language: en
PDF source: https://patentimages.storage.googleapis.com/d2/97/57/a86c6274fb894a/US7429294.pdf
Metadata fetched: August 29, 2026 00:18