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:
Nov. 14, 2023

Filed:

Sep. 18, 2019
Applicant:

Daio Paper Corporation, Ehime, JP;

Inventors:

Takaaki Imai, Ehime, JP;

Takahiro Miyoshi, Ehime, JP;

Junya Okawa, Ehime, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 11/18 (2006.01); D21J 1/04 (2006.01); D21J 3/12 (2006.01);
U.S. Cl.
CPC ...
D21H 11/18 (2013.01); D21J 1/04 (2013.01); D21J 3/12 (2013.01);
Abstract

A cellulose fiber molded product having improved tensile elastic modulus and a method for manufacturing the molded product is provided. The cellulose fiber molded product contains cellulose fibers as the main component, in which the cellulose fibers contain pulp and defibrated fibers, and the defibrated fibers contain microfibrillated cellulose. The method for manufacturing the molded product includes preparing a cellulose fiber slurry using the pulp and the defibrated fibers, forming wet paper from the cellulose fiber slurry, and dehydrating, pressurizing, and heating the wet paper. The defibrated fibers include microfibrillated cellulose, or microfibrillated cellulose and cellulose nanofibers.


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