Patents by Inventor Chin Chian ANG

Chin Chian ANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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
  • BLACK INK COMPOSITION
    Publication number: 20190071577
    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: Application
    Filed: November 6, 2018
    Publication date: March 7, 2019
    Inventor: Chin Chian ANG
  • BLACK INK COMPOSITION
    Publication number: 20160280940
    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: Application
    Filed: September 26, 2014
    Publication date: September 29, 2016
    Inventor: Chin Chian ANG