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:
Feb. 06, 2001
Filed:
Apr. 10, 1998
Applicant:
Inventors:
Nobuyuki Harada, Osaka, JP;
Kunihiko Ishizaki, Osaka, JP;
Hirotama Fujimaru, Hyogo, JP;
Toshimasa Kitayama, Hyogo, JP;
Assignee:
Nippon Shokubai Co., Ltd., Osaka-Fu, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 1/315 ; C08J 9/00 ; C08L 1/500 ;
U.S. Cl.
CPC ...
A61F 1/315 ; C08J 9/00 ; C08L 1/500 ;
Abstract
This invention is directed to a disposable diaper using a pressure-resistant absorbent resin manifesting a ratio of water absorption capacity under pressure of 30 g/g or more to artificial urine under a load of 50 g/cm,, and a pressure-resistant absorption ratio of 0.6 or more, wherein the pressure resistant absorption ratio is defined as the ratio of the ratio of water absorption capacity under high pressure to artificial urine under a load of 100 g/cm,to a ratio of water absorption capacity under pressure to artificial urine under a load of 50 g/cm,.