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:
Dec. 03, 1991
Filed:
Aug. 07, 1987
Applicant:
Inventors:
Osamu Ito, Utsunomiya, JP;
Hiroshi Mizutani, Yachiyo, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
604358 ; 604368 ; 604378 ; 604380 ;
Abstract
In a sanitary article having as a core material a super water absorbing polymer and two layers of fluff pulp to envelop the polymer, the improvement comprises that said layer of fluff pulp is composed of a compressed first site and a further compressed second site, the density of said first site ranging from 0.04 to 0.15 g/cm.sup.3, the density of said second site ranging from 0.06 to 0.4 g/cm.sup.3, and the area of said second site ranging from 10 to 50% of that of the entire article.