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:
Oct. 20, 2026
Filed:
Aug. 04, 2022
Applicant:
Daio Paper Corporation, Ehime, JP;
Inventors:
Assignee:
Daio Paper Corporation, Ehime, JP;
Primary Examiner:
Int. Cl.
CPC ...
D06M 13/00 (2006.01); D06M 13/432 (2006.01);
U.S. Cl.
CPC ...
D06M 13/432 (2013.01);
Abstract
A method for preparing carbamated cellulose fibers applicable to mass production is provided. The method for preparing carbamated cellulose fibers in which hydroxyl groups of cellulose fibers have partially or fully been modified with carbamate groups, includes heating a pulp sheet which has been formed into a strip shape by subjecting a raw material pulp to papermaking and contains urea or a derivative thereof, between a pair of rolls while passing therebetween, to cause the modification.
Aoki, Ryunosuke. (2026). Method for producing carbamated cellulose fibers (U.S. Patent No. 12768098). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12768098
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile