Japan, Sept. 18 -- MAXELL LTD has got intellectual property rights for 'INK COMPOSITION, INK SET, INK PACK, AND INKJET RECORDING METHOD.' Other related details are as follows:
Application Number: JP,2025-163240
Category (FI): B41J2/21,C09D11/106,B41J2/175,101,B41M5/00,100,C09D11/30,B41J2/01,129,C09D11/38,B41M5/00,120,C09D11/101,C09D11/102
Stage: PROBLEM TO BE SOLVED: To provide an ink pack excellent in storage stability of a filled ink composition.SOLUTION: In the ink pack, the liquid contact portion which comes into contact with the ink composition contains polyolefin, the ink composition contains a polymerizable compound, polyolefin derived from the liquid contact portion of the ink pack, and an anti-blocking agent of polyolefin, and in a case where the ink composition further contains a colorant, the anti-blocking agent of polyolefin contains 0.1% to 10% by mass of nanoparticles which are inorganic particles having a mean particle size of 5 to 1 000nm and a specific surface area of 10 600m2 / g based on the mass of the ink composition, and at least a part of the polyolefin derived from the liquid contact portion of the ink pack is adsorbed to the nanoparticles, when the ink composition does not contain a colorant, the aggregation inhibitor of polyolefin contains 0.1 to 10 mass% of a polymer dispersant having a weight average molecular weight of 1,000 or more and 70,000 or less based on the mass of the ink composition.SELECTED DRAWING: None (Grant)
Filing Date: Sept. 30, 2025
Publication Date: Jan. 14
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.
