US 12,454,142 B2
Process for coloring solid compact powder cosmetic cakes using adjustable nozzle
Giuseppe Lattanzi, Limbiate MB (IT); Emilio Tentori, Barzago LC (IT); and Maria Piccone, Monza MB (IT)
Assigned to INTERCOS S.P.A., Milan (IT)
Appl. No. 18/014,210
Filed by INTERCOS S.p.A., Milan (IT)
PCT Filed Jul. 2, 2021, PCT No. PCT/EP2021/068388
§ 371(c)(1), (2) Date Jan. 3, 2023,
PCT Pub. No. WO2022/008385, PCT Pub. Date Jan. 13, 2022.
Claims priority of application No. 102020000016270 (IT), filed on Jul. 6, 2020.
Prior Publication US 2023/0271431 A1, Aug. 31, 2023
Int. Cl. B41J 11/00 (2006.01); B41J 3/407 (2006.01)
CPC B41J 11/00242 (2021.01) [B41J 3/407 (2013.01); B41J 11/002 (2013.01); B41J 3/4073 (2013.01); B41J 11/00216 (2021.01); B41J 11/0024 (2021.01)] 3 Claims
OG exemplary drawing
 
1. A process for coloring a solid compact powder cosmetic cake, the process comprising:
applying colors on an upper surface of the solid compact powder cosmetic cake to obtain a colored cosmetic cake; and
drying the colored cosmetic cake,
wherein:
the applying of the colors includes dripping, by nozzles, ink droplets of various colors and various sizes on the upper surface of the solid compact powder cosmetic cake for impregnation of the ink droplets in the solid compact powder cosmetic cake;
the nozzles are adjustable with respect to: (i) an ink amount of each of the ink droplets; (ii) an ink droplet delivery speed; and (iii) a nozzle opening section; and
the drying of the colored cosmetic cake includes inserting the colored cosmetic cake into an oven at a temperature between 20° C. and 90° C.