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:
Jan. 23, 2024
Filed:
Nov. 19, 2021
Applicant:
Unicharm Corporation, Ehime, JP;
Inventors:
Takeshi Bandou, Kagawa, JP;
Takayoshi Konishi, Kagawa, JP;
Assignee:
Unicharm Corporation, Ehime, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21C 9/153 (2006.01); D21C 1/04 (2006.01); D21C 1/08 (2006.01); D21B 1/16 (2006.01); D21H 11/20 (2006.01);
U.S. Cl.
CPC ...
D21C 9/153 (2013.01); D21B 1/16 (2013.01); D21C 1/04 (2013.01); D21C 1/08 (2013.01); D21H 11/20 (2013.01);
Abstract
A method of producing conifer-derived pulp fibers for paper includes a beating step of beating conifer-derived material pulp fibers in the presence of a liquid including water; and an ozone treatment step of treating, with ozone water, the beaten conifer-derived material pulp fibers.