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US 12,404,273 B2Granted
Crystal form of an organic fluorescent compound
AssigneeBASF SE
InventorsHelmut Reichelt, Christian Doerr, Gerd Rollar, Hans Reichert, Oliver Seeger, Korinna Dormann
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Abstract
The present invention relates to a new crystal form of the compound of formula and a process for its preparation. The compound may be used in compositions for inks, paints and plastics, especially in a wide variety of printing systems and is particularly well-suited for security applications.
Claims12
A crystal form of a compound of formula
- characterized in an X-ray diffraction pattern by diffraction peaks corresponding to two theta scattering angles of 8.0;
- 12.3;
- 14.0 and 21.3.
Dependencies are inferred from the claim text.