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:
Aug. 09, 2016
Filed:
Dec. 20, 2013
Kimberly-clark Worldwide, Inc., Neenah, WI (US);
Stephen Michael Lindsay, Appleton, WI (US);
Michael Andrew Zawadzki, Appleton, WI (US);
Jian Qin, Appleton, WI (US);
Mike Thomas Goulet, Neenah, WI (US);
Cathleen Mae Uttecht, Menasha, WI (US);
Donald Eugene Waldroup, Roswell, GA (US);
Deborah Joy Calewarts, Appleton, WI (US);
Kenneth John Zwick, Neenah, WI (US);
KIMBERLY-CLARK WORLDWIDE, INC., Neenah, WI (US);
Abstract
The disclosure provides a multilayered tissue web comprising treated cellulosic fibers selectively disposed in one or more layers, wherein the tissue layer comprising treated fibers is adjacent to a layer comprising untreated fiber and which is substantially free from untreated fiber. Generally the treated fibers have a rate of substitution of about 0.02 to 0.07. In this manner, the disclosure provides a multi-layered tissue web having treated fiber selectively incorporated therein, where the tissue web has basis weight greater than about 10 grams per square meter (gsm), such as from about 10 to about 50 gsm, a sheet bulk greater than about 8 cc/g, such as from about 8 to about 15 cc/g and Stiffness Index less than about 15, such as from about 8 to about 12.