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.

Date of Patent:
Apr. 07, 2026

Filed:

May. 21, 2021
Applicant:

Oji Holdings Corporation, Tokyo, JP;

Inventors:

So Sato, Tokyo, JP;

Yusei Kawanami, Tokyo, JP;

Satoshi Takahashi, Tokyo, JP;

Go Banzashi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/26 (2006.01); B32B 27/10 (2006.01); B32B 27/20 (2006.01); B32B 27/32 (2006.01); B32B 27/36 (2006.01); D21H 15/02 (2006.01); D21H 17/67 (2006.01); D21H 19/38 (2006.01); D21H 19/44 (2006.01); B31B 50/88 (2017.01); G09F 3/00 (2006.01); G09F 3/02 (2006.01);
U.S. Cl.
CPC ...
B41M 5/267 (2013.01); B32B 27/10 (2013.01); B32B 27/20 (2013.01); B32B 27/32 (2013.01); B32B 27/36 (2013.01); D21H 15/02 (2013.01); D21H 17/675 (2013.01); D21H 19/385 (2013.01); D21H 19/44 (2013.01); B31B 50/88 (2017.08); B32B 2264/1022 (2020.08); B32B 2307/718 (2013.01); B32B 2307/7376 (2023.05); B32B 2439/00 (2013.01); B41M 2205/40 (2013.01); G09F 2003/0272 (2013.01); G09F 3/0297 (2013.01);
Abstract

An object of the present invention is to provide a print product which has a printed region where printing with ultraviolet laser is applied and which is excellent in viewability, a method for producing a print product by irradiation with ultraviolet laser, and a printing medium for laser printing, for use in the print product and the method for producing a print product. The print product of the present invention has a printed region comprising discolored titanium oxide in at least one portion of a sheet medium selected from the group consisting of paper or a film having a printable region comprising titanium oxide; titanium oxide is filled in the sheet medium; a titanium oxide content in the printable region in the sheet medium is 1.0% by mass or more, pulp constituting the paper has a length-weighted average fiber length and an average fiber width in specified ranges, and the paper has a basis weight of 20 g/mor more, when the sheet medium is the paper; a titanium oxide content in the printable region in the sheet medium is 0.3% by mass or more, the film has a thickness of 15 μm or more, and a resin constituting the film comprises a specified resin, when the sheet medium is the film; and a ratio between a Raman intensity assigned to titanium oxide in the printed region and a Raman intensity assigned to titanium oxide in a non-printed region is 0.70 or less.


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