Patents Assigned to GA CHEMICAL PTE LTD
  • Black ink composition
    Patent number: 11084948
    Abstract: A black ink composition for post print and preprint, obtainable by adding (colour concentrate mixture) solid red concentrate, blue concentrate, and green concentrate to a carbon black ink having a concentration of 10-25% by weight of the composition, wherein the carbon black has not undergone oxidation treatment, and the colour pigments are made up 75-90% by weight.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: August 10, 2021
    Assignee: GA CHEMICAL PTE LTD
    Inventor: Chin Chian Ang