Alcohol based sanitizer with improved dermal compatibility and feel

• US 9,439,841 B2
• Filed: 06/06/2013
• Issued: 09/13/2016
• Est. Priority Date: 06/06/2013
• Status: Active Grant

• Current Assignee: Ecolab USA Incorporated (Ecolab, Inc.)
• Original Assignee: Ecolab USA Incorporated (Ecolab, Inc.)
• Inventors: Wegner, Joseph R., Littau, Cheryl A.
• Primary Examiner(s): Weddington, Kevin E
• Application Number:
  US13/911,524
• Publication Number:
  US 20140364509A1
• Time in Patent Office: 1,195 Days
• Field of Search: 514/724
• US Class Current: 1/1
• CPC Class Codes: A61K 2800/592 Mixtures of compounds complementing their respective functions
• CPC Class Codes: A61K 31/045 Hydroxy compounds, e.g. alcohols; Salts thereof, e.g. alcoholates
• CPC Class Codes: A61K 31/455 Nicotinic acids, e.g. niacin; Derivatives thereof, e.g. esters, amides
• CPC Class Codes: A61K 8/042 Gels
• CPC Class Codes: A61K 8/34 Alcohols
• CPC Class Codes: A61K 8/345 containing more than one hydroxy group
• CPC Class Codes: A61K 8/365 Hydroxycarboxylic acids; Ketocarboxylic acids
• CPC Class Codes: A61K 8/37 Esters of carboxylic acids
• CPC Class Codes: A61K 8/375 the alcohol moiety containing more than one hydroxy group
• CPC Class Codes: A61K 8/44 Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
• CPC Class Codes: A61K 8/4913 having five membered rings, e.g. pyrrolidone carboxylic acid
• CPC Class Codes: A61K 8/4926 having six membered rings
• CPC Class Codes: A61K 8/678 Tocopherol, i.e. vitamin E
• CPC Class Codes: A61K 8/891 saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
• CPC Class Codes: A61K 8/893 modified by an alkoxy or aryloxy group, e.g. behenoxy dimethicone or stearoxy dimethicone
• CPC Class Codes: A61P 17/00 Drugs for dermatological disorders
• CPC Class Codes: A61Q 17/005 Antimicrobial preparations
• CPC Class Codes: A61Q 19/10 Washing or bathing preparations

Abstract

Applicants have identified a critical skin benefit package that can be used in liquid alcohol sanitizing compositions that provides lower amounts of skin conditioners in combination with a specific ratio of different emollients that provide improved skin health with chronic repeated use. The package also provides improved skin feel with without a tacky residue upon drying.

Claims

1. A liquid skin sanitizing composition comprising:

a) one or more skin conditioners;

b) a medium spreading emollient

c) a high spreading emollient,

d) a linear or branched C1 to C6 alcohol; and

e) water

wherein said ratio of high spreading emollient to medium spreading emollient is from about 3 to about 1 to about 1 to about 3 by weight; and

wherein each of said one or more skin conditioners is present in an amount of no more than 0.5 wt. % each and further wherein said total skin conditioner component comprises no more than 2 wt. % of said sanitizing composition.

2. The liquid skin sanitizing composition of claim 1 wherein said C1 to C6 alcohol is in an amount of from about 50 wt. % to about 90 wt. % of said composition.

3. The liquid skin sanitizing composition of claim 1, wherein said one or more skin conditioners total from about 0.05 wt % to no more than about 2 wt. % of said composition.

4. The liquid skin sanitizing composition of claim 1, wherein said one or more skin conditioners total no more than about 1 wt. % of said composition.

5. The liquid skin sanitizing composition of claim 1 wherein each conditioner is present in an amount of no more than 1 wt. % of said composition.

6. The liquid skin sanitizing composition of claim 1 wherein each conditioner is present in an amount from about 0.01 wt. % no more than 0.5 wt. % of said composition.

7. The liquid skin sanitizing composition of claim 1 wherein said ratio of high spreading emollient to medium spreading emollient is about 1:

3.

8. The liquid skin sanitizing composition of claim 1 wherein said medium spreading emollient includes one or more of:

capric/caprylic triglyceride, C12-15 alkyl benzoate, capric triglyceride, caprylic triglyceride, isopropyl myristrate, isopropyl palmitate, octyldodecanol, decyl oleate, cocoglycerides, ethylhexyl stearate, ceteraryl isononanoate, cetearyl ethyhexanonate, decyl cocoate, cetyl dimethicone, ethylhexyl palmitate, PPG-11 stearyl ether, PPG-15 stearyl ether, Dimethicone fluid (10-20 cst), and PPG-14 butyl ether.

9. The liquid skin sanitizing composition of claim 1 wherein said high spreading emollient includes one or more of dicaprylyl carbonate, dibutyl adipate, hexyl laurate, dicaprylyl ether, propylheptyl caprylate, 4-10 centistoke silicone oil, D4, 5, or 6 cyclic siloxane, isocetyl palmitate, hydrogentated polyisobutene, and diethylhexylcarbonate.

10. The liquid skin sanitizing composition of claim 1 wherein said composition is in the form of a water thin liquid, a gel, an emulsion, or an aerosol foam.

11. A method of sanitizing skin comprising:

applying the liquid skin sanitizer of claim 1 to a skin surface; and

thereafter allowing said sanitizer to dry.

12. The method of claim 11 wherein said steps of applying and drying are repeated from about 20 to 100 times a day.

13. The method of claim 11 wherein said skin does not feel sticky or tacky upon drying.

14. The method of claim 11 wherein said dry skin is easily gloved.

15. The method of claim 12 wherein said sanitized skin has improved health and moisture compared to non-treated skin that is sanitized from about 20 to 100 times a day.

16. The liquid skin sanitizing composition of claim 1 wherein said skin conditioner is one or more of the following:

alkyl benzoate, myristyl myristate, cetyl myristate, gelatin, carboxylic acid, lsactoc acid, glyceryl dioleate, methyl laurate, PPG-9 laurate, lauryl lacylate, allantoin, octyl palmitate, lanolin, propylene glycol, butylene ethylene glycol, capryltl glycol, monobutyl ether, glycerine, fatty acids, proline, natural oils such as almond, mineral, canola, sesame, soybean, pyrrolidine, wheat germ, hydrolyzed wheat protein, hydrolyzed oat protein, hydrolyzed collagen, corn, peanut and olive oil, isopropyl myristate, myristyl alcohol, aloe vera, algae extract, gluconic acid, hydrolyzed silk protein, 1,3-propane diol, Vitamin E, nicatinamide stearyl alcohol, isopropyl palmitate, sorbitol, amino acid complexes, panthenol, Dihydroxypropyltrimonium Chloride, quaternized hydrolyzed protein such as collagen, oat, wheat, inositol, fructose, sucrose, hydrolyzed plant proteins, seaweed extract, polyethylene glycol, ammonium lactate, sodium hyaluronate, betaine, cyclic peptides, hydroxyethyl urea, agarose, urea, sodium PCA, arginine PCA, fructose, glucose, glutamic acid, glycerine, honey, lactose, maltose, polyethylene glycol, sorbitol, petrolatum, rhea butter, avocado oil, balm mint oil, cod liver oil, mineral oil, trimyristin, stearyl stearate, synthetic wax, ethyl hexylglycerin, cholesterol, cystine, hyaluronic acid, keratin, lecithin, egg yolk, glycine, PPG-12, polyquaternium polymers such as polyquaternium-11, behentrimonium chloride, dihydroxypropyl PEG-5 linoleammonium chloride, glycerol oleate, PEG-7 glyceryl cocoate, cocoglucoside, PEG-200 hydrogenated glyceryl palmate, panthenol, retinol, salicylic acid, vegetable oil, methyl gluceth-10, methyl gluceth-20, ethoxylated derivatives of glycereth-26, ethoxylated shea butter, bisabolol, panthenol and mixtures thereof.

17. The liquid skin sanitizing composition of claim 1 wherein said composition is in the form of a water thin liquid, a gel, an emulsion, a non aerosol foam or an aerosol foam.