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US 10,253,455 B2Granted
Web of cellulosic fibers comprising an active agent and method for manufacturing a web of cellulosic fibers comprising an active agent
AssigneeEssity Operations France
InventorsGérald Duhen, Philippe Malgarini, Cyril Schu, Nicolas Marquine
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Abstract
A web including cellulosic fibers having two sides and including an additive composition present on at least one side of the web and a method of making such a web are disclosed. The additive composition includes at least one filming agent and at least one active agent, the filming agent being fixed on the web and the active agent being retained on the web by the filming agent, the active agent being an antimicrobial agent.
Claims11
A web comprising:
- a paper sheet comprising cellulosic fibers and having two sides;
- and
- a film comprising an additive composition on at least one side of the paper sheet,
- wherein the additive composition comprises at least one filming agent and at least one antimicrobial agent,
- wherein the active agent is retained on the web by the filming agent, and
- wherein the filming agent substantially comprises a non-water soluble polymer or a non-water soluble copolymer selected from the group consisting of polyacrylate, poly(vinyl)acetate, copolymer of acrylate and vinylacetate, copolymer of poly(acrylate) and vinylacetate, poly(vinylalcohol) of very high molecular weight, copolymer of vinyl alcohol and vinyl acetate, and polyamine-amide epychlorhydrin, as well as copolymers which contain the monomeric elements of the said polymers or a mixture of said polymers and copolymers.
3 more elements
Dependencies are inferred from the claim text.