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. 02, 1986
Filed:
Jul. 29, 1985
Applicant:
Inventors:
Kazunori Nishizawa, Funabashi, JP;
Hiroshi Mizutani, Yachiyo, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
604370 ; 604372 ; 604373 ;
Abstract
A disposable diaper in which the backing sheet is a porous, vapor-permeable, liquid-impermeable film made by mixing 100 parts by weight of a polyolefin resin with from 28 to 200 parts by weight of filler and from 10 to 70 parts by weight of a liquid or wax-like hydrocarbon polymer, molding the mixture to form a film and then stretching the film uniaxially or biaxially so that its dimension after stretching is more than 1.2 times as large as its dimension prior to stretching.