K-C Worldwide issued US patent for 'tissue having high strength and low modulus'

Nevin Barich

ALEXANDRIA, Virginia , April 23, 2014 (U.S. Official News) – United States Patent and Trademark Office has granted patent no. 825980, on April 22, 2014, to Kimberly-Clark Worldwide, Inc. (Wisconsin), titled as "Tissue having high strength and low modulus"

Inventors: Hermans; Michael Alan (Neenah, WI), Johnston; Angela Ann (New London, WI), Koch; Gretchen Sarah (Greenville, WI), Tirimacco; Maurizio (Appleton, WI), McCormick; Erin Ann (Neenah, WI), Sachs; Mark William (Appleton, WI), Holz; Jeffrey Dean (Sherwood, WI), Allen; Peter John (Neenah, WI), Vogt; Kevin Joseph (Neenah, WI)

Assignee: Kimberly-Clark Worldwide, Inc. (Neenah, WI)

According to the abstract released by the U.S. Patent & Trademark Office: "The present invention provides tissue products having a high degree of stretch and low modulus at relatively high tensile strengths, such as geometric mean tensile strengths greater than about 1500 g/3'' and more preferably greater than about 2000 g/3''. The combination of a tough, yet relatively supple sheet is preferably achieved by subjecting the embryonic web to a speed differential as it is passed from one fabric in the papermaking process to another, commonly referred to as rush transfer."

The patent was filed on January 31, 2013 Application no. 13/755,516

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