Impregnated matrix and method for making same
AssigneeUnilever Home & Personal Care USA, Division of Conopco, Inc.
InventorChristopher H. Sheridan
Life of this patent
Estimating the term…
Abstract
A substantially flexible, dry matrix, which contains not more than about 3% moisture at room temperature, is impregnated with a water free treatment mixture containing a lipid and a surfactant. In a preferred embodiment, the mixture includes a glycol, a surfactant and a lipid emollient, lubricant, medicament or skin protectant. Methods of manufacturing and using the impregnated matrices are also taught.
Claims27
A method of treating a skin surface comprising the steps of:
- a) obtaining a dry matrix sheet comprising
- i. a plurality of fibers;
- and
- ii. a film on at least part of said fibers, said film comprising
- a) at least one member selected from the group consisting of lipid emollient, lubricant, protectant and medicament;
- and
- b) a surfactant;
- the matrix sheet being dry to the touch and comprising a plurality of layers one of which comprises synthetic fibers and one of which comprises cellulosic tissue;
- b) prior to using said matrix sheet on said skin, adding water to said matrix sheet;
- and
- c) rubbing said skin surface with said water treated matrix.
A method of treating a skin surface comprising the steps of:
- a) obtaining a dry matrix sheet comprising
- i. a plurality of fibers;
- and
- ii. a film on at least part of said fibers, said film comprising an essentially water free mixture of
- a) at least one member selected from the group consisting of lipid emollient, lubricant, protectant and medicament;
- and
- b) a surfactant;
- the matrix sheet being dry to the touch and comprising a plurality of layers one of which comprises synthetic fibers and one of which comprises cellulosic tissue;
- b) prior to using said matrix sheet on said skin, adding water to said matrix sheet;
- and
- c) rubbing said skin surface with said water treated matrix.
A method of treating a skin surface comprising the steps of:
- a) obtaining a dry matrix sheet comprising
- i. a plurality of fibers;
- and
- ii. a film on at least part of said fibers, said film comprising
- a) at least one member selected from the group consisting of lipid emollient, lubricant, protectant and medicament, and
- b) a surfactant;
- the matrix sheet comprising a plurality of layers one of which comprises synthetic fibers and one of which comprises a cellulosic tissue selected from the group consisting of cotton, rayon and cellulosic pulp,
- b) prior to using said matrix sheet on said skin, adding water to said matrix sheet, and
- c) rubbing said skin surface with said water treated matrix.
Dependencies are inferred from the claim text.