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. 24, 2001
Filed:
Aug. 31, 1999
Applicant:
Inventors:
Tsutomu Kido, Ehime, JP;
Noriyuki Kimura, Ehime, JP;
Ichiro Takeuchi, Tokushima, JP;
Kazuya Umino, Tokushima, JP;
Assignee:
Uni-Charm Corporation, Ehime, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 2/00 ; D01F 8/02 ;
U.S. Cl.
CPC ...
D01F 2/00 ; D01F 8/02 ;
Abstract
A water-retentive sheet manufactured from a cellulose based fiber of high water-retentivity. The cellulose based fiber of high water rententivity includes a core formed from a component of non-cellulose based material of high absorbency uniformly contained in a cellulose fiber and a sheath formed around the core and formed from cellulose based fiber. The cellulose fiber can be viscose rayon and the non-cellulose based material of high absorbency can be polyacrylate salt.