Invention Grant
US06503308B2 Black ink compositions for inkjet printing 有权
用于喷墨印刷的黑色油墨组合物

Black ink compositions for inkjet printing
Abstract:
The present invention provides black ink compositions for use in inkjet printing, which exhibit improved neutral color, light fastness, and gray scale properties. The black ink compositions generally include a mixture of two or more black dyes in balanced concentrations to obtain black ink having the improved properties while retaining good print-ability in an inkjet pen. In one aspect, a black ink composition may include a mixture of pacified Reactive Black 31 and Direct Black 168.
Public/Granted literature
Information query
Patent Agency Ranking
0/0