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:
Apr. 12, 2016
Filed:
Aug. 21, 2013
Applicants:
Mitsubishi Chemical Corporation, Chiyoda-ku, JP;
Oji Holdings Corporation, Chuo-ku, JP;
Inventors:
Tomokazu Umemoto, Kanagawa, JP;
Naohide Ogita, Kanagawa, JP;
Takanori Shimizu, Kanagawa, JP;
Yasutomo Noishiki, Tokyo, JP;
Hiroyuki Nagatani, Tokyo, JP;
Go Banzashi, Tokyo, JP;
Assignee:
Oji Holdings Corporation, Chuo-ku, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 1/02 (2006.01); D21H 11/20 (2006.01); C08B 15/04 (2006.01); D01F 2/24 (2006.01); D01F 2/28 (2006.01); C08J 5/24 (2006.01); C08B 3/00 (2006.01); C08B 3/04 (2006.01); C08B 3/06 (2006.01); C08B 3/08 (2006.01);
U.S. Cl.
CPC ...
C08L 1/02 (2013.01); C08B 3/00 (2013.01); C08B 3/04 (2013.01); C08B 3/06 (2013.01); C08B 3/08 (2013.01); C08B 15/04 (2013.01); C08J 5/24 (2013.01); D01F 2/24 (2013.01); D01F 2/28 (2013.01); D21H 11/20 (2013.01); C08J 2333/06 (2013.01); Y10T 428/298 (2015.01);
Abstract
The present invention relates to cellulose fibers wherein a part of the hydroxyl groups of the cellulose have been substituted with at least one of a carboxy group and formyl group of 0.1 mmol/g or larger based on the weight of the cellulose fibers, and have been further substituted with a chemical modification group other than the carboxy and formyl groups.