Patent classifications
D
D06
D06L
4/00
D06L4/60
D06L4/65
D06L4/65
Optical brightening agents for high quality ink-jet printing
The instant invention relates to mixtures of stilbene compounds which provide superior fluorescent whitening effects when applied to the surface of ink-jet papers.
Optical brightening agents for high quality ink-jet printing
The instant invention relates to mixtures of stilbene compounds which provide superior fluorescent whitening effects when applied to the surface of ink-jet papers.