US5514367A
Expired / Lapsed
US
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Skin tanning compositions and methods for their preparation and use
Assignee: Estee Lauder Inc
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Filing: 1994-02-28
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Granted: 1996-05-07
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Expires: 2014-02-28
Abstract
Abstract The present invention provides novel cosmetic compositions for artificially tanning the skin utilizing skin tanning agents and cyclodextrins. The compositions are exceptionally stable and reduce the odor associated with the reaction between skin tanning agents such as dihydroxyacetone and the skin.
Inventors
- 👤 Peter J. Lentini
- 👤 Julius R. Zecchino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:25
CPC Classifications
A; A61; A61Q; A61Q19/00; A61Q19/04; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/35; A61K8/72; A61K8/73; A61K8/738; A61K2800/00; A61K2800/40; A61K2800/56
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
30 words
A skin tanning composition which comprises: (a) an effective amount of a skin tanning agent; (b) an effective amount of at least one cyclodextrin; and (c) a cosmetically acceptable carrier.
Claim 2
Dependent Claim
30 words
A skin tanning composition which comprises: (a) an effective amount of a skin tanning agent; (b) an effective amount of at least one cyclodextrin; and (c) a cosmetically acceptable carrier.
Claim 3
Dependent Claim
23 words
The composition of claim 1, wherein the cyclodextrin is selected from the group consisting of alpha-cyclodextrin, beta-cyclodextrin, gamma-cyclodextrin, and delta-cyclodextrin or combinations thereof.
Claim 4
Dependent Claim
10 words
The composition of claim 2, wherein the cyclodextrin is gamma-cyclodextrin.
Claim 5
Dependent Claim
13 words
The composition of claim 1, wherein the cosmetically acceptable carrier is an emulsion.
Claim 6
Dependent Claim
12 words
The composition of claim 4, wherein the emulsion is a water-in-silicone emulsion.
Claim 7
Dependent Claim
10 words
The composition of claim 1, further comprising a penetration enhancer.
Claim 8
Dependent Claim
11 words
The composition of claim 6, wherein the penetration enhancer is transcutol.
Claim 9
Dependent Claim
12 words
The composition of claim 6, wherein the penetration enhancer is dimethyl isosorbide.
Claim 10
Dependent Claim
19 words
The composition of claim 1, further comprising a sugar selected from the group consisting of sucrose, glucose and fructose.
Claim 11
Dependent Claim
71 words
A skin tanning composition which comprises: (a) from about 0.1 to about 20 percent of a skin tanning agent; (b) from about 1 to about 10 percent of at least one cyclodextrin; (c) from about 1 to about 10 percent of a penetration enhancer; (d) from about 6 to about 10 percent of a sugar selected from the group consisting of sucrose, glucose and fructose; and (e) a cosmetically acceptable carrier.
Claim 12
Dependent Claim
71 words
A skin tanning composition which comprises: (a) from about 0.1 to about 20 percent of a skin tanning agent; (b) from about 1 to about 10 percent of at least one cyclodextrin; (c) from about 1 to about 10 percent of a penetration enhancer; (d) from about 6 to about 10 percent of a sugar selected from the group consisting of sucrose, glucose and fructose; and (e) a cosmetically acceptable carrier.
Claim 13
Dependent Claim
27 words
A skin tanning composition which comprises: (a) an effective amount of dihydroxyacetone; (b) an effective amount of at least one cyclodextrin; and (c) a cosmetically acceptable carrier.
Claim 14
Dependent Claim
27 words
A skin tanning composition which comprises: (a) an effective amount of dihydroxyacetone; (b) an effective amount of at least one cyclodextrin; and (c) a cosmetically acceptable carrier.
Claim 15
Dependent Claim
22 words
The composition of claim 11, wherein the cyclodextrin is selected from the group consisting of alpha-cyclodextrin, beta-cyclodextrin, gamma-cyclodextrin, delta-cyclodextrin and combinations thereof.
Claim 16
Dependent Claim
10 words
The composition of claim 12, wherein the cyclodextrin is gamma-cyclodextrin.
Claim 17
Dependent Claim
13 words
The composition of claim 13, wherein the cosmetically acceptable carrier is an emulsion.
Claim 18
Dependent Claim
12 words
The composition of claim 14, wherein the emulsion is a water-in-silicone emulsion.
Claim 19
Dependent Claim
10 words
The composition of claim 15, further comprising a penetration enhancer.
Claim 20
Dependent Claim
11 words
The composition of claim 16, wherein the penetration enhancer is transcutol.
Claim 21
Dependent Claim
12 words
The composition of claim 16, wherein the penetration enhancer is dimethyl isosorbide.
Claim 22
Dependent Claim
19 words
The composition of claim 11, further comprising a sugar selected from the group consisting of sucrose, glucose and fructose.
Claim 23
Dependent Claim
36 words
A skin tanning composition which comprises: (a) from about 0.1 to about 20 percent of a dihydroxyacetone; (b) from about 1 to about 10 percent of at least one cyclodextrin; and (c) a cosmetically acceptable carrier.
Claim 24
Dependent Claim
36 words
A skin tanning composition which comprises: (a) from about 0.1 to about 20 percent of a dihydroxyacetone; (b) from about 1 to about 10 percent of at least one cyclodextrin; and (c) a cosmetically acceptable carrier.
Claim 25
Dependent Claim
60 words
A skin tanning composition which comprises: (a) from about 0.1 to about 20 percent of dihydroxyacetone; (b) from about 1 to about 10 percent of at least one cyclodextrin; (c) from about 0.5 to about 50 percent of a penetration enhancer; (d) from about 0.5 to about 20 percent of at least one sugar; and (e) a cosmetically acceptable carrier.
Claim 26
Dependent Claim
60 words
A skin tanning composition which comprises: (a) from about 0.1 to about 20 percent of dihydroxyacetone; (b) from about 1 to about 10 percent of at least one cyclodextrin; (c) from about 0.5 to about 50 percent of a penetration enhancer; (d) from about 0.5 to about 20 percent of at least one sugar; and (e) a cosmetically acceptable carrier.
Claim 27
Dependent Claim
18 words
The composition of claim 21, wherein the amount of dihydroxyacetone is from about 5 to about 10 percent.
Claim 28
Dependent Claim
18 words
The composition of claim 21 wherein the amount of cyclodextrin is from about 1.5 to about 6 percent.
Claim 29
Dependent Claim
13 words
The composition of claim 21 wherein the cosmetically acceptable carrier is an emulsion.
Claim 30
Dependent Claim
12 words
The composition of claim 24 wherein the emulsion is a water-in-silicone emulsion.
Claim 31
Independent Claim
49 words
A method for the preparation of a skin tanning composition comprising dihydroxyacetone, a cyclodextrin and a cosmetically acceptable carrier, which comprises: (a) combining the dihydroxyacetone with the cosmetically acceptable carrier; and (b) combining the cyclodextrin with the cosmetically acceptable carrier at a temperature of no greater than 35° C.
Claim 32
Independent Claim
49 words
A method for the preparation of a skin tanning composition comprising dihydroxyacetone, a cyclodextrin and a cosmetically acceptable carrier, which comprises: (a) combining the dihydroxyacetone with the cosmetically acceptable carrier; and (b) combining the cyclodextrin with the cosmetically acceptable carrier at a temperature of no greater than 35° C.
Claim 33
Dependent Claim
12 words
A skin tanning composition prepared according to the method of claim 26.
Claim 34
Independent Claim
27 words
A method of providing an artificial tan to human skin which comprises applying the composition of claims 1, 10, 11, 20, 21 or 27 to the skin.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-05-07 | 1999-11-06 | 2000-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-05-07 | 2003-11-06 | 2004-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-05-07 | 2007-11-06 | 2008-05-07 | $7700.00 | Window Closed / Lapsed |