Patents by Inventor Igal Berson

Igal Berson 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).

  • Patent number: 8514481
    Abstract: A dual color electronically addressable ink includes a positively charged ink and a negatively charged ink. The positively charged ink includes a non-polar carrier fluid, pigment-loaded basic resin particles having a first color, and an acceptor charge adjuvant. The negatively charged ink includes the non-polar carrier fluid, pigment-loaded acidic resin particles having a second color that is different than the first color, and a donor charge adjuvant. The dual color electronically addressable ink also includes at least one charge director.
    Type: Grant
    Filed: July 12, 2011
    Date of Patent: August 20, 2013
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Jong-Souk Yeo, Igal Berson, Gil Bar-Haim, Yaron Grinwald
  • Publication number: 20130016420
    Abstract: A dual color electronically addressable ink includes a positively charged ink and a negatively charged ink. The positively charged ink includes a non-polar carrier fluid, pigment-loaded basic resin particles having a first color, and an acceptor charge adjuvant. The negatively charged ink includes the non-polar carrier fluid, pigment-loaded acidic resin particles having a second color that is different than the first color, and a donor charge adjuvant. The dual color electronically addressable ink also includes at least one charge director.
    Type: Application
    Filed: July 12, 2011
    Publication date: January 17, 2013
    Inventors: Jong-Souk Yeo, Igal Berson, Gil Bar-Haim, Yaron Grinwald