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:
May. 10, 2005
Filed:
May. 23, 2003
Masanori Minato, Haga-gun, JP;
Shigeto Yanagihara, Haga-gun, JP;
Kenji Ishiguro, Haga-gun, JP;
Mikio Suzuki, Haga-gun, JP;
Tetsuya Masuki, Haga-gun, JP;
Masanori Minato, Haga-gun, JP;
Shigeto Yanagihara, Haga-gun, JP;
Kenji Ishiguro, Haga-gun, JP;
Mikio Suzuki, Haga-gun, JP;
Tetsuya Masuki, Haga-gun, JP;
Kao Corporation, Tokyo, JP;
Abstract
A disposable diaper is provided comprising a liquid permeable topsheet, a liquid impermeable backsheet, and a liquid retentive absorbent member interposed between the topsheet and the backsheet. The absorbent member comprises, in admixture, a superabsorbent polymer A having a rate of absorption of 8 g/30 sec/0.3 g or more measured by DW method and a superabsorbent polymer B having a rate of absorption of 5 g/30 sec/0.3 g or less measured by DW method at a polymer A/polymer B weight ratio of 90/10 to 10/90. The admixture optionally further comprises fluff pulp in an amount of from 0 to 30% by weight.