Cleansing articles for skin or hair

• US 7,115,551 B2
• Filed: 06/03/2003
• Issued: 10/03/2006
• Est. Priority Date: 06/07/2002
• Status: Expired due to Fees

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Cosgrove, James Michael, Hasenoehrl, Erik John
• Primary Examiner(s): OGDEN JR, NECHOLUS
• Application Number:
  US10/453,168
• Publication Number:
  US 20030228351A1
• Time in Patent Office: 1,218 Days
• Field of Search: None
• US Class Current: 510/438
• CPC Class Codes: A47K 7/03 containing soap or other cleaning ingredients, e.g. impregnated
• CPC Class Codes: A61K 8/0208 Tissues; Wipes; Patches
• CPC Class Codes: A61Q 19/10 Washing or bathing preparations
• CPC Class Codes: A61Q 5/02 Preparations for cleaning the hair
• CPC Class Codes: Y10T 428/2984 Microcapsule with fluid core [includes liposome]
• CPC Class Codes: Y10T 442/2484 Coating or impregnation is water absorbency-increasing or hydrophilicity-increasing or hydrophilicity-imparting
• CPC Class Codes: Y10T 442/2525 Coating or impregnation functions biologically [e.g., insect repellent, antiseptic, insecticide, bactericide, etc.]
• CPC Class Codes: Y10T 442/3008 Woven fabric has an elastic quality
• CPC Class Codes: Y10T 442/3138 Including inorganic filament
• CPC Class Codes: Y10T 442/674 Nonwoven fabric with a preformed polymeric film or sheet
• CPC Class Codes: Y10T 442/696 Including strand or fiber material which is stated to have specific attributes [e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous compositions, water solubility, heat shrinkability, etc.]

Abstract

The present invention relates to disposable, personal cleansing articles useful for cleansing the skin or hair. These articles are used by the consumer by wetting the dry article with water and then rubbing the article against the skin or hair. The article comprises a water insoluble substrate with an elastomeric component and having a cleansing surface and a lathering surfactant releasably associated with the substrate. Preferably, the articles of the present invention further comprise a conditioning component.

Claims

1. A disposable, single use personal cleansing article especially useful for cleansing skin or hair, which article comprises:

(A) a water-insoluble substrate having at least one cleansing surface; and

(B) from about 0.5% to about 250% by weight of said substrate of a lathering surfactant releasably associated with said substrate;

wherein said water-insoluble substrate comprises;

an elastomeric backing having an elongated orientation, a relaxed orientation, and path of response along which said backing contracts from said elongated orientation to said relaxed orientation;

a nonwoven web in contact with said backing said nonwoven web comprising filaments having unsecured regions and fixed regions, said fixed regions comprised inter-fiber bonds joining said filament; and

at least one construction bond for joining said nonwoven web with said backing, wherein said unsecured regions of said filaments are shirred when said backing is caused to return to its relaxed orientation.

2. An article according to claim 1 wherein said lathering surfactant comprises from about 0.5% to about 50% by weight of said water insoluble substrate.

3. An article according to claim 2 which is substantially dry prior to use.

4. An article according to claim 1 wherein said backing comprises an elastomeric film selected from the group consisting of polyethylene film, polypropylene film, styrene-isoprene-styrene block copolymer film and styrene-butadiene-styrene block copolymer film.

5. An article according to claim 1 wherein said nonwoven web has a weight of 10–

40 g/m² and said elastomeric backing comprises elastomeric warp yarn, wherein the weight ratio of warp yarn to nonwoven web is from 1;

3 to 3;

1 and wherein said water-insoluble substrate is characterized by an elongation of 50–

120% in the longitudinal direction.

6. An article according to claim 5 wherein the warp yarn comprises at least one material selected from the group consisting of nylon 6, nylon 66 and polyester.

7. An article according to claim 1 further comprising a conditioning component added onto or impregnated into said substrate.

8. An article according to claim 7 wherein said conditioning component comprises at least one material selected from the group consisting of fatty acids, esters of fatty acids, fatty alcohols, ethoxylated alcohols, polyol polyesters, glycerine, glycerin mono-esters, glycerin polyesters, epidermal and sebaceous hydrocarbons, lanolin, straight and branched hydrocarbons, silicone oil, silicone gum, vegetable oil, vegetable oil adduct, hydrogenated vegetable oils, nonionic polymers, natural waxes, synthetic waxes, polyolefinic glycols, polyolefinic monoester, polyolefinic polyesters, cholesterols, cholesterol esters and mixtures thereof.

9. An article according to claim 8 wherein said conditioning component comprises at least one material selected from the group consisting of paraffin, mineral oil, petrolatum, stearyl alcohol, cetyl alcohol, cetearyl alcohol, behenyl alcohol, C10–

30 polyesters of sucrose, stearic acid, palmitic acid, behenic acid, oleic acid, linoleic acid, myristic acid, lauric acid, ricinoleic acid, steareth-1-100, cetereath 1-100, cholesterols, cholesterol esters, glyceryl tribehenate, glyceryl dipalmitate, glyceryl monostearate, trihydroxystearin, ozokerite wax, jojoba wax, lanolin wax, ethylene glycol distearate, candelilla wax, carnauba wax, beeswax, and silicone waxes.

10. An article according to claim 1 wherein said lathering surfactant is selected from the group consisting of anionic lathering surfactants, nonionic lathering surfactants, amphoteric lathering surfactants, and mixtures thereof.

11. An article according to claim 10 wherein said anionic lathering surfactant is selected from the group consisting of sarcosinates, sulfates, isethionates, phosphates, taurates, lactylates, glutamates and mixtures thereof;

wherein said nonionic lathering surfactant is selected from the group consisting of amine oxides, alkyl glucosides, alkyl polyglucosides, polyhydroxy fatty acid amides, alkoxylated fatty acid esters, sucrose esters, and mixtures thereof; and

wherein said amphoteric lathering surfactant is selected from the group consisting of betaines, sultaines, hydroxysultaines, alkyliminoacetates, iminodialkanoates, aminoalkanoates, and mixtures thereof.

12. An article according to claim 1 wherein the article is capable of generating an Average Lather Volume of greater than or equal to about 30 ml upon wetting.

13. An article according to claim 12 wherein the article is capable of generating an Average Lather Volume of greater than or equal to about 75 ml upon wetting.

14. An article according to claim 1, wherein said substrate has rounded corners, said corner having a radius of from about 2 to 3 cm.