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US4614748A
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US
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Topical use composition for the treatment of seborrhea affections of the human scalp
Assignee: RICARD RENE JESUS Y
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Filing: 1981-09-08
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Granted: 1986-09-30
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Expires: 2001-09-08
Abstract
Abstract The purpose of the invention is a composition for the treatment of affections of the human scalp caused by seborrhea. According to the invention the composition is characterized in that it contains N-hydroxyethylacetamide as active ingredient.
Inventors
- 👤 Miguel M. Taya
- 👤 Rene R. Sala
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:41
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/006; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/42; A61P; A61P17/00; Y; Y10; Y10S; Y10S424/00; Y10S424/04
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
31 words
A topical use composition for the treatment of seborrhea and dandruff affections of the human scalp, characterised in that the composition contains a therapeutically effective amount of N-hydroxyethylacetamide as active ingredient.
Claim 2
Dependent Claim
31 words
A topical use composition for the treatment of seborrhea and dandruff affections of the human scalp, characterised in that the composition contains a therapeutically effective amount of N-hydroxyethylacetamide as active ingredient.
Claim 3
Dependent Claim
35 words
A topical use composition for the treatment of seborrhea and dandruff affections of the human scalp, characterised in that the composition contains at least one active ingredient constituted by a therapeutically effective amount of N-hydroxyethylacetamide.
Claim 4
Dependent Claim
35 words
A topical use composition for the treatment of seborrhea and dandruff affections of the human scalp, characterised in that the composition contains at least one active ingredient constituted by a therapeutically effective amount of N-hydroxyethylacetamide.
Claim 5
Dependent Claim
16 words
The composition of claim 2, characterised in that the N-hydroxyethylacetamide is in aqueous or alcoholic solution.
Claim 6
Dependent Claim
15 words
The composition of claim 2, characterised in that the N-hydroxyethylacetamide is in aqueous alcohol solution.
Claim 7
Dependent Claim
19 words
The composition of claim 3 and 4, characterised in that the solution contains from 2.5 to 5% of N-hydroxyethylacetamide.
Claim 8
Dependent Claim
23 words
The composition of claim 4, characterised in that the aqueous alcohol solution comprises 75 volumes of ethyl alcohol and 25 volumes of water.
Claim 9
Dependent Claim
17 words
Hair lotion characterised in that it comprises from 2.5 to 5% of N-hydroxyethylacetamide in aqueous alcohol solution.
Claim 10
Dependent Claim
17 words
Hair lotion characterised in that it comprises from 2.5 to 5% of N-hydroxyethylacetamide in aqueous alcohol solution.
Claim 11
Dependent Claim
24 words
The hair lotion of claim 7, characterised in that the aqueous alcohol solution is 75 volumes of ethyl alcohol and 25 volumes of water.
Claim 12
Dependent Claim
26 words
A process for the treatment of seborrhea and dandruff affections of the human scalp, comprising application of a therapeutically effective amount of N-hydroxyethylacetamide to the scalp.
Claim 13
Dependent Claim
26 words
A process for the treatment of seborrhea and dandruff affections of the human scalp, comprising application of a therapeutically effective amount of N-hydroxyethylacetamide to the scalp.
Claim 14
Dependent Claim
20 words
A process as in claim 9, wherein the N-hydroxyethylacetamide is applied to the form of an aqeous or alcoholic solution.
Claim 15
Dependent Claim
19 words
A process as in claim 9, wherein the N-hydroxyethylacetamide is applied in the form of an aqueous alcohol solution.
Claim 16
Dependent Claim
22 words
A process as in claim 11, wherein the aqueous alcohol solution comprises 75 volumes of ethyl alcohol and 25 volumes of water.
Claim 17
Dependent Claim
19 words
A process as in claim 10, 11, or 12, wherein the solution contains from 2.5 to 5% of N-hydroxyethylacetamide.
References Cited (Backward Citations)
FR1163386A
Cited
GB1015261A
Cited
DE1238619B
Cited
DE2004647A1
Cited
DE2351821A1
Cited
CA1020865A
Cited
FR2301232A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-09-29 | 1990-03-31 | 1990-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-09-29 | 1994-03-31 | 1994-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-09-29 | 1998-03-31 | 1998-09-30 | $7700.00 | Window Closed / Lapsed |