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:
Mar. 14, 2006
Filed:
Jul. 25, 2003
Palani Raj Ramaswami Wallajapet, Wauwatosa, WI (US);
Alice Y. Romans-hess, Fremont, WI (US);
Edwin T. Ta, Menasha, WI (US);
Jian Qin, Appleton, WI (US);
Palani Raj Ramaswami Wallajapet, Wauwatosa, WI (US);
Alice Y. Romans-Hess, Fremont, WI (US);
Edwin T. Ta, Menasha, WI (US);
Jian Qin, Appleton, WI (US);
Kimberly-Clark Worldwide, Inc., Neenah, WI (US);
Abstract
Disclosed is an absorbent structure comprising an acidic or basic water-swellable, water-insoluble polymer, a basic or acidic second material, and, optionally, a buffering agent, wherein the absorbent structure exhibits desirable absorbent properties. Specifically, the present invention relates to an absorbent structure having the ability to absorb a large quantity of liquid while maintaining a substantially desired and balanced pH profile on or along the upper surface of the absorbent structure. The absorbent structure is useful in disposable absorbent products, such as those disposable absorbent products that are used to absorb body liquids.