Domino Printing Sciences has been granted a patent for ink compositions designed for continuous inkjet printing. The ink contains carbon black, a liquid carrier, and other components to ensure good adhesion to low surface energy substrates like polypropylene. The printed deposit has a surface resistance of at least 2 MO/sq and strong adhesion properties. GlobalData’s report on Domino Printing Sciences gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on Domino Printing Sciences, was a key innovation area identified from patents. Domino Printing Sciences's grant share as of February 2024 was 59%. Grant share is based on the ratio of number of grants to total number of patents.

Ink composition for continuous inkjet printing with improved adhesion

Source: United States Patent and Trademark Office (USPTO). Credit: Domino Printing Sciences plc

The granted patent (Publication Number: US11851568B2) discloses an ink composition designed for printing applications. The composition includes a liquid carrier, carbon black, a conductivity salt, and a ketone condensation resin adhesion promoter. The printed deposit of this ink composition exhibits a surface resistance of at least 2 MO/sq after washing and an adhesion of 50% or more after applying and removing adhesive tape.

Furthermore, the ink composition contains less than 1 wt % of cross linkers, with specific exclusions of certain types of crosslinkers like metal crosslinkers, alkoxysilanes, and others. The composition may also include a binder, a tackifier, and a surfactant in specified amounts. The ink composition is suitable for inkjet printing and can be deposited on a substrate, with at least partial evaporation of the liquid carrier. The resulting printed deposit demonstrates excellent adhesion and surface resistance, making it ideal for various printing applications.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.