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Patent application: Fibrous structures comprising phase change materials

Ben Welter - Friday, January 04, 2019

U.S. patent application 20190002747 (applicant Procter & Gamble Co., Cincinnati, Ohio):

"Fibrous structures, for example sanitary tissue products, such as toilet tissue, having one or more neat, endothermic phase change materials on at least one exterior surface, methods for making same, and methods for eliciting a sensation on a user's skin are provided. ... The fibrous structure according to claim 1 wherein the neat, endothermic phase change material is selected from the group consisting of: hydrocarbons, waxes, oils, natural butters, fatty acids, fatty acid esters, dibasic acids, dibasic esters, 1-halides, primary alcohols, aromatic compounds, anhydrides, ethylene carbonates, polyhydric alcohols, and mixtures thereof."

http://www.freepatentsonline.com/20190002747.pdf

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