The object of the invention are organic paper pigments, which are ester derivatives of disaccharides, essentially insoluble in water. The invention also relates to a manufacturing process of a paper product, in which ester derivatives of disaccharides according to the invention are used as paper pigments. Another object of the invention are paper products, in which these organic ester derivatives of disaccharides have been used as paper pigments.
|IPC||D21H21/28; D21H17/24; D21H17/52; D21H17/67; D21H21/52|
|Tila||Julkaistu - 21 jouluk. 2006|
|OKM-julkaisutyyppi||H1 Myönnetyt patentit|