Method of coloring with capped diazotized compound and coupling component
申请人:Eliu Paul Victor
公开号:US20070124872A1
公开(公告)日:2007-06-07
The present invention relates to a method of coloring porous material, which comprises contacting the material being colored, with a) a capped diazonium compound of formula (1) wherein A
+
is a cationic radical of an organic compound, B is a radical of an unsubstituted or substituted, aliphatic or aromatic amine, An is an anion, and b) optionally a coupling component. Further, the present invention relates to novel compounds and compositions thereof.
Method of Printing a Time-Temperature Indicator Based on Azo Coupling Reactions onto a Susbtrate
申请人:Reichert Hans
公开号:US20070218206A1
公开(公告)日:2007-09-20
The present invention relates to a method of printing a substrate, comprising (a) printing onto the substrate at least one time temperature indicator with chromic properties based on an azo coupling reaction between a capped diazonium component and a coupling component.