A lotion includes a micro-emulsion composition, which is liquid at room temperature and undergoes a phase change to a semi-solid or solid upon contact with a substrate. The micro-emulsion composition can include a polar emollient, a non-polar emollient, a non-ionic surfactant, and a co-surfactant. T
A lotion includes a micro-emulsion composition, which is liquid at room temperature and undergoes a phase change to a semi-solid or solid upon contact with a substrate. The micro-emulsion composition can include a polar emollient, a non-polar emollient, a non-ionic surfactant, and a co-surfactant. The invention also includes a substrate treated with the lotion.
대표청구항▼
We claim: 1. A wet-laid cellulosic tissue, said tissue bearing a microemulsion composition comprising an antiviral compound, said microemulsion composition being liquid at room temperature and undergoing a phase change to a semi-solid or solid upon contact with said wet-laid cellulosic tissue, said
We claim: 1. A wet-laid cellulosic tissue, said tissue bearing a microemulsion composition comprising an antiviral compound, said microemulsion composition being liquid at room temperature and undergoing a phase change to a semi-solid or solid upon contact with said wet-laid cellulosic tissue, said antiviral compound being chosen from the group consisting of: bioflavonoids; dicarboxylic acids; alpha hydroxy carboxylic acids; neem seed oil; sandalwood oil; protease inhibitors and mixtures thereof. 2. The wet-laid cellulosic tissue of claim 1, wherein said antiviral compound is chosen from the group consisting of: hesperitin; naringin, catechin, L-canavanine and analogues of L-arginine; dicarboxylic acids; alpha hydroxy carboxylic acids; neem seed oil; sandalwood oil; protease inhibitors and mixtures thereof. 3. The wet-laid cellulosic tissue of claim 1, wherein said antiviral compound is chosen from the group consisting of: bioflavonoids; malonic acid; glutaric acid, citric acid, succinic acid, diglycolic acid, alpha hydroxy carboxylic acids; neem seed oil; sandalwood oil; protease inhibitors and mixtures thereof. 4. The wet-laid cellulosic tissue of claim 1, wherein said antiviral compound is chosen from the group consisting of: bioflavanoids; dicarboxylic acids; D-galacturonic acid; neem seed oil; sandalwood oil; protease inhibitors and mixtures thereof. 5. The wet-laid cellulosic tissue of claim 1, wherein said antiviral compound is chosen from the group consisting of: bioflavonoids; dicarboxylic acids; alpha hydroxy carboxylic acids; neem seed oil; sandalwood oil; zinc oxide and mixtures thereof. 6. The wet-laid cellulosic tissue of claim 1, wherein said antiviral compound is chosen from the group consisting of: hesperitin; naringin, catechin, L-canavanine and analogues of L-arginine; malonic acid; glutaric acid, citric acid, succinic acid, diglycolic acid; D-galacturonic acid; neem seed oil; sandalwood oil; zinc oxide and mixtures thereof. 7. A sheet of lotioned tissue comprising a wet laid cellulosic substrate formed by the process of providing: said wet-laid cellulosic substrate, applying a lotion having micro-emulsion phase to said wet-laid cellulosic substrate in the amount of between about 0.1% and 25% by weight of the dried cellulosic substrate, the composition of said lotion upon application lying in the micro-emulsion phase and being liquid at room temperature and undergoing a phase change to a semi-solid or solid upon contact with said wet-laid cellulosic substrate, said lotion comprising a polar emollient; a non-polar emollient, a fatty alcohol and a non-ionic surfactant, said lotion being in finely divided, semi-solid form dispersed upon the fibers of the wet-laid cellulosic substrate. 8. The sheet of lotioned tissue of claim 7, wherein said lotion in said micro-emulsion phase is essentially transparent in the visible region of the spectrum. 9. The sheet of lotioned tissue of claim 7 wherein the size of the dispersed phase in the micro-emulsion phase of said lotion is less than about 0.1 μm in diameter. 10. The sheet of lotioned tissue of claim 7, wherein said micro-emulsion phase comprises a continuous hydrophilic outer phase. 11. The sheet of lotioned tissue of claim 7 wherein said lotion is essentially waterless. 12. The sheet of lotioned tissue of claim 7 wherein the micro-emulsion phase of said lotion has an adjoining semi-solid phase reachable by removal of polar emollient from the micro-emulsion phase. 13. The sheet of lotioned tissue of claim 7 wherein said wet-laid cellulosic substrate is a TAD web. 14. The sheet of lotioned tissue of claim 7 wherein said wet-laid cellulosic substrate is a CWP web. 15. A sheet of lotioned tissue comprising a wet laid cellulosic substrate exhibiting temporary wet strength formed by the process of providing said wet-laid cellulosic substrate, applying a lotion having a micro-emulsion phase to said wet-laid cellulosic substrate in the amount of between about 0.1% and 25% by weight of the dried cellulosic substrate, the composition of said lotion upon application lying in the micro-emulsion phase and being liquid at room temperature and undergoing a phase change to a semi-solid or solid upon contact with said wet-laid cellulosic substrate, said lotion comprising a polar emollient; a non-polar emollient, a fatty alcohol and a non-ionic surfactant, said lotion being in finely divided, semi-solid form dispersed upon the fibers of the wet-laid cellulosic substrate. 16. The sheet of lotioned tissue of claim 15 wherein, upon immersion in water, the temporary wet strength of said lotioned tissue decays more rapidly during an initial period of time than does an equivalent non-lotioned sheet comprising the same temporary wet strength and exhibiting substantially equivalent initial wet strength. 17. The sheet of lotioned tissue of claim 16 wherein the wet strength of the lotioned product decays more rapidly on a percentage of initial wet strength basis than does the equivalent non-lotioned sheet. 18. The sheet of lotioned tissue of claim 16 wherein the wet strength of the lotioned product decays more rapidly on an absolute basis than does the equivalent non-lotioned sheet. 19. The sheet of lotioned tissue of claim 15 wherein the amount of lotion applied is between about 0.5% and 20% of the weight of the cellulosic substrate based on the dry weight of the substrate. 20. The sheet of lotioned tissue of claim 15 wherein initial wet strength of the lotioned tissue is at least about 40 g/3" as measured by the Finch cup method. 21. The sheet of lotioned tissue of claim 20 wherein the wet strength of said lotioned tissue is no more than about 25 g/3" when measured by the Finch cup method 4 minutes after immersion. 22. The sheet of lotioned tissue of claim 20 wherein the wet strength of said lotioned tissue is no more than about 6% of the initial wet strength when measured by the Finch cup method 4 minutes after immersion.
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