| 摘要 |
<p>The invention relates to a pigment having a composite structure. It is characterized in that it comprises a core (1) which has been covered by one or more layers (2) of colorants, which optionally each in their turn have been covered by an optically transparent film (3) which is insoluble or partly insoluble in water or organic solvents. The invention includes also a process for the production of the pigment.</p> |
