The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 26, 2013
Filed:
Oct. 22, 2010
Tetsuo Hosoya, Ibaraki-ken, JP;
Hiroshi Hayashi, Ibaraki-ken, JP;
Marie Morinaga, Ibaraki-ken, JP;
Naoyuki Torita, Ibaraki-ken, JP;
Tetsuo Hosoya, Ibaraki-ken, JP;
Hiroshi Hayashi, Ibaraki-ken, JP;
Marie Morinaga, Ibaraki-ken, JP;
Naoyuki Torita, Ibaraki-ken, JP;
Riso Kagaku Corporation, Tokyo, JP;
Abstract
A non-aqueous ink composition for inkjet printing is provided, which comprises 0.01 to 10 wt % of at least one ionic substance (A) selected from the group consisting of quarterly ammonium salts, quarterly phosphonium salts, a combination of a fatty acid and/or an alkyl phosphate with an amine compound, and synergists, 0.1 to 20 wt % of an Calkyl(meth)acrylate copolymer (B) having 1 to 40 wt %, relative to a weight of the copolymer, of urethane moiety, 0.1 to 20 wt % of a pigment (C), and an organic solvent (D). The composition achieves excellent wiping durability and printed image density.