Patents Assigned to NOV. & MARCH
  • Patent number: 10280327
    Abstract: The present invention is related to a method for preparing an eco-friendly crayon comprising: a) adding a pigment and food coloring agent while melting beeswax by heating; b) cooling the beeswax to block and then pulverizing the blocked beeswax; c) melting carnauba wax by heating; d) mixing the pulverized beeswax obtained in the step b with the carnauba wax obtained in the step c to prepare a mixture; and e) placing the mixture into a mold and cooling the mixture to prepare crayons, and an eco-friendly crayon including beeswax, the pigment, the food coloring agent, and carnauba wax prepared by the method.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: May 7, 2019
    Assignee: NOV. & MARCH
    Inventor: Jaejin Go