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:
Jan. 24, 2023

Filed:

Feb. 21, 2019
Applicant:

Nippon Paper Industries Co., Ltd., Tokyo, JP;

Inventors:

Hirohiko Koizumi, Tokyo, JP;

Masato Takayama, Tokyo, JP;

Seiki Yoneshige, Tokyo, JP;

Shisei Goto, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21C 5/00 (2006.01); D21C 5/02 (2006.01); D21B 1/32 (2006.01);
U.S. Cl.
CPC ...
D21C 5/025 (2013.01); D21B 1/327 (2013.01);
Abstract

The present invention aims to develop a technique for efficiently preparing deinked pulp from prints made with UV-curable inks. According to the processes for preparing deinked pulp of the present invention, high quality deinked pulp can be obtained by performing the steps of: disintegrating printed waste paper containing UV prints in water to give a waste paper slurry; and applying a mechanical process to the waste paper slurry using a rotary disintegrator.


Find Patent Forward Citations

Koizumi, Hirohiko. (2023). Methods for deinking uv prints (U.S. Patent No. 11560672). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11560672

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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