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. 05, 2019
Filed:
Mar. 27, 2018
Fujifilm Corporation, Minato-ku, Tokyo, JP;
Tomohiro Mizuno, Kanagawa, JP;
FUJIFILM CORPORATION, Tokyo, JP;
Abstract
Provided are an inkjet ink set for corrugated cardboard, the inkjet ink set including inks of five colors, including a cyan ink, a magenta ink, a yellow ink, a black ink, and an α ink, in which in a case where images having a halftone dot area ratio of 100% are formed on a corrugated cardboard base material using the five color inks each separately, the hue angle h, the chroma saturation C*, and the lightness L* of the formed images in the CIE 1976 L*a*b* color space satisfy the relations of the following Formula 1 to the following Formula 3; and an image forming method. In Formula 1, h, h, and hrepresent the respective hue angles h of the inks. In Formula 2, C*, C*, and C*represent the respective chroma saturations C* of the inks. In Formula 3, L*and L*represent the respective lightness L* of the inks.  Formula 1  Formula 2  Formula 3.