Societe Bic

Jeongmi Ha

Jae Hyun Joo

Woo Yong Jung

Jiyoung Ryu

Seung Hun Han

Jin Sung Cha

This disclosure relates to a printing device for printing or dispensing a curable printing composition which is capable of changing color in response to the application of a magnetic field in the non-cured state. The printing device may be a handheld device such as a portable pen. The present disclosure further relates to curable compositions, cartridges and methods which may be used in combination with the aforementioned printing devices or in other applications.

Growing community of inventors

Gyeonggi-do, South Korea

Jeongmi Ha