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US4721705A
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Skin treatment compositions
Assignee: CHEMISCH ADVIESBUREAU DRS JCP SCHREUDER BV A CORP OF HOLLAND
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Filing: 1984-09-20
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Granted: 1988-01-26
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Expires: 2004-09-20
Abstract
Abstract Compositions for treating sun eczema or dyshydrosis of skin comprising (a) 0.1 to 5% by weight of panthenol, (b) 0.1 to 3% by weight of at least one member of the group consisting of methionine, N-acyl-cysteine and S-acyl-cysteine, said acyl being derived from an alkanoic acid of 1 to 7 carbon atoms, or cystine in an amount of at most 0.009% by weight, (c) 0.25 to 4% by weight of carraghenate, (d) 0.1 to 5% by weight of sodium chloride, (e) 0.1 to 2% by weight of a preservative and (f) sufficient water for 100% by weight, all weights based on the weight of the total composition and a method for treating sun eczema or dyshydrosis.
Inventors
- 👤 Johannes C. P. Schreuder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:59
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/185; A61K31/19; A61K31/195; A61K31/16; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/42; A61K8/44; A61K8/447; A61K8/96; A61K8/97; A61K8/9706; A61K8/9717; A61Q; A61Q19/00; A61Q19/004
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
109 words
A composition effective for treating sun eczema and dyshidrosis of skin comprising (a) 0.1 to 5% by weight of panthenol, (b) 0.1 to 3% by weight of at least one member of the group consisting of methionine, N-acyl-cysteine and S-acyl-cysteine, said acyl being derived from an alkanoic acid of 1 to 7 carbon atoms, or cystine in an amount of at most 0.009% by weight, (c) 0.25 to 4% by weight of carraghenate, (d) 0.1 to 5% by weight of sodium chloride, (e) 0.1 to 2% by weight of a preservative and (f) sufficient water for 100% by weight, all weights based on the weight of the total composition.
Claim 2
Dependent Claim
109 words
A composition effective for treating sun eczema and dyshidrosis of skin comprising (a) 0.1 to 5% by weight of panthenol, (b) 0.1 to 3% by weight of at least one member of the group consisting of methionine, N-acyl-cysteine and S-acyl-cysteine, said acyl being derived from an alkanoic acid of 1 to 7 carbon atoms, or cystine in an amount of at most 0.009% by weight, (c) 0.25 to 4% by weight of carraghenate, (d) 0.1 to 5% by weight of sodium chloride, (e) 0.1 to 2% by weight of a preservative and (f) sufficient water for 100% by weight, all weights based on the weight of the total composition.
Claim 3
Dependent Claim
13 words
A composition of claim 1 containing 1 to 2% by weight of panthenol.
Claim 4
Dependent Claim
13 words
A composition of claim 1 containing 1 to 2% by weight of methionine.
Claim 5
Dependent Claim
13 words
A composition of claim 1 containing 1 to 2% by weight of carraghenate.
Claim 6
Dependent Claim
13 words
A composition of claim 1 containing about 0.9% by weight of sodium chloride.
Claim 7
Dependent Claim
31 words
A composition of claim 1 containing 0.1 to 2% by weight of a preservative which is at least one member of the group consisting of phenylglycol, methyl p-hydroxy-benzoate and propyl p-hydroxy-benzoate.
Claim 8
Dependent Claim
12 words
A composition of claim 6 containing 0.2% by weight of methyl p-hydroxy-benzoate.
Claim 9
Dependent Claim
12 words
A composition of claim 6 containing 0.1% by weight of propyl p-hydroxy-benzoate.
Claim 10
Dependent Claim
31 words
A composition of claim 1 containing at least one member of the group consisting of 0.1 to 0.5% by weight of perfume and 0.01 to 0.3% by weight of an antioxidant.
Claim 11
Dependent Claim
31 words
A method of treating sun eczema and dyshidrosis of the skin comprising applying to the skin an amount of a composition of claim 1 sufficient to treat sun eczema and dyshidrosis.
Claim 12
Dependent Claim
12 words
The method of claim 10 wherein the skin has been previously cleaned.
Claim 13
Dependent Claim
15 words
The method of claim 10 wherein the application is made to 6 times per day.
Claim 14
Dependent Claim
16 words
A method of claim 10 wherein the composition contains 1 to 2% by weight of panthenol.
Claim 15
Dependent Claim
16 words
The method of claim 10 wherein the composition contains 1 to 2% by weight of methionine.
Claim 16
Dependent Claim
16 words
A method of claim 10 wherein the composition contains 1 to 2% by weight of carraghenate.
Claim 17
Dependent Claim
16 words
The method of claim 10 wherein the composition contains about 0.9% by weight of sodium chloride.
Claim 18
Dependent Claim
35 words
A method of claim 10 wherein the composition contains 0.1 0.1 to 2% by weight of a preservative which is at least one member of the group consisting of phenylglycol, methyl p-hydroxy-benzoate and propyl p-hydroxy-benzoate.
Claim 19
Dependent Claim
15 words
A method of claim 17 wherein the composition contains 0.2% by weight of methyl p-hydroxy-benzoate.
Claim 20
Dependent Claim
15 words
A method of claim 17 wherein the composition contains 0.1% by weight of propyl p-hydroxy-benzoate.
Claim 21
Dependent Claim
34 words
A method of claim 10 wherein the composition contains at least one member of the group consisting of 0.1 to 0.5% by weight of perfume and 0.01 to 0.3% by weight of an antioxidant.
References Cited (Backward Citations)
US3305543A
Cited
US4369177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-01-25 | 1991-07-27 | 1992-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-01-25 | 1995-07-27 | 1996-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-01-25 | 1999-07-27 | 2000-01-26 | $7700.00 | Window Closed / Lapsed |