Patents by Inventor Ervina Halim

Ervina Halim 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).

  • Modified Colorants and Inkjet Ink Compositions Comprising Modified Colorants
    Publication number: 20170306157
    Abstract: The present invention relates to a modified colorant comprising a colorant having attached at least one organic group. Various embodiments of the organic group are disclosed. For each of these embodiments, preferably the organic group has a defined calcium index value. Also disclosed are various uses for these modified colorants, including inkjet ink compositions.
    Type: Application
    Filed: July 7, 2017
    Publication date: October 26, 2017
    Inventors: Feng Gu, James A. Belmont, Elizabeth G. Burns, Paul S. Palumbo, Barry B. Corden, Yuan Yu, Ervina Halim
  • Modified colorants and inkjet ink compositions comprising modified colorants
    Patent number: 9732227
    Abstract: The present invention relates to a modified colorant comprising a colorant having attached at least one organic group. Various embodiments of the organic group are disclosed. For each of these embodiments, preferably the organic group has a defined calcium index value. Also disclosed are various uses for these modified colorants, including inkjet ink compositions.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: August 15, 2017
    Assignee: Cabot Corporation
    Inventors: Feng Gu, James A. Belmont, Elizabeth G. Burns, Paul S. Palumbo, Barry B. Corden, Yuan Yu, Ervina Halim
  • Modified Colorants and Inkjet Ink Compositions Comprising Modified Colorants
    Publication number: 20160075880
    Abstract: The present invention relates to a modified colorant comprising a colorant having attached at least one organic group. Various embodiments of the organic group are disclosed. For each of these embodiments, preferably the organic group has a defined calcium index value. Also disclosed are various uses for these modified colorants, including inkjet ink compositions.
    Type: Application
    Filed: September 11, 2014
    Publication date: March 17, 2016
    Inventors: Feng Gu, James A. Belmont, Elizabeth G. Burns, Paul S. Palumbo, Barry B. Corden, Yuan Yu, Ervina Halim
  • Modified colorants and inkjet ink compositions comprising modified colorants
    Patent number: 8858695
    Abstract: The present invention relates to a modified colorant comprising a colorant having attached at least one organic group. Various embodiments of the organic group are disclosed. For each of these embodiments, preferably the organic group has a defined calcium index value. Also disclosed are various uses for these modified colorants, including inkjet ink compositions.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: October 14, 2014
    Assignee: Cabot Corporation
    Inventors: Feng Gu, James A. Belmont, Elizabeth G. Burns, Paul S. Palumbo, Barry B. Corden, Yuan Yu, Ervina Halim
  • Modified colorants and inkjet ink compositions comprising modified colorants
    Publication number: 20070100024
    Abstract: The present invention relates to a modified colorant comprising a colorant having attached at least one organic group. Various embodiments of the organic group are disclosed. For each of these embodiments, preferably the organic group has a defined calcium index value. Also disclosed are various uses for these modified colorants, including inkjet ink compositions.
    Type: Application
    Filed: October 31, 2006
    Publication date: May 3, 2007
    Inventors: Feng Gu, James Belmont, Elizabeth Burns, Paul Palumbo, Barry Corden, Yuan Yu, Ervina Halim