Agfa-Gevaert has been granted a patent for an innovative aqueous ink formulation. The ink contains capsules with a polymeric shell surrounding a core that reacts to heat or radiation. The capsules are produced using a specific method involving high shear dispersion and the addition of certain compounds. GlobalData’s report on Agfa-Gevaert gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Agfa-Gevaert, Document anti-counterfeiting was a key innovation area identified from patents. Agfa-Gevaert's grant share as of January 2024 was 85%. Grant share is based on the ratio of number of grants to total number of patents.
A recently granted patent (Publication Number: US11884829B2) discloses an aqueous ink formulation that includes capsules with a polymeric shell encapsulating chemical reactants capable of forming a reaction product upon exposure to heat and/or radiation. The capsules are produced by dispersing a non-aqueous solution containing specific compounds and reactants in an aqueous solution, along with a polyamine compound with nucleophilic groups. The ink also contains a colorant stabilized by cationic dispersing groups and a surfactant with a quaternary ammonium group and primary or secondary amine for bonding to the polymeric shell.
Furthermore, the patent claims cover various aspects of the aqueous ink formulation, including the use of specific polyamine compounds like alkylene pentamine, thermally reactive cross-linkers such as blocked isocyanates, and pigments as colorants. The invention extends to a digital textile printing method involving applying the aqueous ink to fabric and activating the thermally reactive crosslinker with heat. Additionally, a method for preparing the aqueous dispersion of capsules is detailed, involving specific steps like dispersing the non-aqueous solution in the aqueous solution under high shear and adding the polyamine compound to the dispersion, followed by optional removal of the organic solvent.
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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.
