Antiviral compositions for tissue paper
AssigneeThe Procter & Gamble Company
InventorsStephen Robert Kelly, Kamilah Apewaiye Gbadamosi, Geoffrey Eugene Seger, Kimberly Ann Biedermann, Jeffrey Michael Morgan, David Frederick Swaile
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Abstract
This application relates to antiviral tissue paper comprising a water soluble metal ion as an antiviral agent. The water soluble metal ion has at least one hydroxide ion formation constant wherein the hydroxide ion formation constant is at least 1012. When added to tissue the water soluble metal ion has the ability to kill certain strains of viruses which come into contact with the tissue.
Claims18
An antiviral tissue product, said antiviral tissue product comprising:
- a) a fibrous ply and
- b) an antiviral composition comprising a water soluble metal ion said water soluble metal ion having at least one hydroxide formation constant with a value of at least 1012.
An antiviral tissue product, said antiviral tissue product comprising:
- a first fibrous ply having a first surface and a second surface whereby said second surface is oppositely disposed with respect to said first surface, said first surface comprising an antiviral composition wherein said antiviral composition comprises a water soluble metal ion;
- said second surface including an antiviral composition wherein said antiviral composition is pyrrolidone carboxylic acid, citric acid, salicylic acid, malic acid, glutaric acid, succinic acid, or mixtures thereof.
A process for making an antiviral tissue product, said process comprising the steps of:
- a) providing a first fibrous ply having a first surface and a second surface whereby said second surface is oppositely disposed with respect to said first surface;
- b) adding an antiviral composition to said first surface of said first fibrous ply wherein said antiviral composition comprises a water soluble metal ion having at least one hydroxide formation constant with a value of at least about 107;
- c) providing a second fibrous ply joined in a face to face relationship with said first fibrous ply, said second fibrous ply having a first surface and a second surface whereby said second surface is oppositely disposed with respect to said first surface, and whereby said second surface of said second fibrous ply faces toward said second surface of said first fibrous ply.
Dependencies are inferred from the claim text.