US3886277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of controlling dandruff using 5,7-dichloro-8-hydroxy quinoline
Assignee: Hans Schwarzkopf and Henkel GmbH
•
Filing: 1973-05-10
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Granted: 1975-05-27
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Expires: 1993-05-10
Abstract
Abstract A method and composition for controlling dandruff on the human scalp using 5,7-dichlor-8-hydroxy quinoline or a salt thereof.
Inventors
- 👤 Rudolf Randebrock
- 👤 Volker Bollert
- 👤 Heinz Lukesch
- 👤 Gertrud Muller
- 👤 Ludwig Rappen
- 👤 Friedhelm Galle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:50
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/47; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/4906; A61K8/4926; A61Q; A61Q5/00; A61Q5/006; A61Q5/02; A61Q5/12
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
41 words
A METHOD OF CONTROLLING THE FORMATION OF VISIBLE DANDRUFF COMPRISING APPLYING TO THE HAIR AND A SCALP OF HUMANS AFFECTED THEREWITH A COMPOSITION COMPRISING A NON-TOXIC PHARMACEUTICALLY ACCEPTABLE CARRIER AND 5,7-DICHLOR-8-HYDROXY QUINOLINE IN AN AMOUNT SUFFICIENT TO PROVIDE EFFECTIVE ANTI-DANDRUFF CONTROL.
Claim 2
Independent Claim
41 words
A METHOD OF CONTROLLING THE FORMATION OF VISIBLE DANDRUFF COMPRISING APPLYING TO THE HAIR AND A SCALP OF HUMANS AFFECTED THEREWITH A COMPOSITION COMPRISING A NON-TOXIC PHARMACEUTICALLY ACCEPTABLE CARRIER AND 5,7-DICHLOR-8-HYDROXY QUINOLINE IN AN AMOUNT SUFFICIENT TO PROVIDE EFFECTIVE ANTI-DANDRUFF CONTROL.
Claim 3
Dependent Claim
20 words
The method of claim 1, in which the composition contains from 0.05 to 5.0% by weight of the 5,7-dichlor-8-hydroxy quinoline.
Claim 4
Dependent Claim
20 words
The method of claim 1 in which the composition contains from 0.01 to 5.0% by weight of the 5,7-dichlor-8-hydroxy quinoline.
Claim 5
Dependent Claim
20 words
The method of claim 1 in which the composition contains from 0.5 to 2.0% by weight of the 5,7-dichlor-8-hydroxy quinoline.
Claim 6
Independent Claim
39 words
A method of controlling the formation of visible dandruff comprising shampooing the hair and scalp of humans affected therewith with an anionic, cationic or amphoteric detergent composition containing 5,7-dichlor-8-hydroxy quinoline in an amount sufficient to provide effective anti-dandruff control.
Claim 7
Independent Claim
39 words
A method of controlling the formation of visible dandruff comprising shampooing the hair and scalp of humans affected therewith with an anionic, cationic or amphoteric detergent composition containing 5,7-dichlor-8-hydroxy quinoline in an amount sufficient to provide effective anti-dandruff control.
Claim 8
Dependent Claim
20 words
The method of claim 5, in which the composition contains from 0.05 to 5.0% by weight of the 5,7-dichlor-8-hydroxy quinoline.
Claim 9
Dependent Claim
20 words
The method of claim 5 in which the composition contains from 0.1 to 5.0% by weight of the 5,7-dichlor-8-hydroxy quinoline.
Claim 10
Dependent Claim
20 words
The method of claim 5 in which the composition contains from 0.5 to 2.0% by weight of the 5,7-dichlor-8-hydroxy quinoline.
Claim 11
Dependent Claim
25 words
The method of claim 5 in which the hair and scalp of humans is shampooed with from 5 to 20 grams of the 5,7-dichlor-8-hydroxy quinoline.
Claim 12
Dependent Claim
19 words
The method of claim 9 in which the 5 to 20 grams is applied in two separate consecutive treatments.
Claim 13
Dependent Claim
25 words
The method of claim 9 in which shampooing is conducted twice each week for 2 weeks, and once each week for the next 4 weeks.
References Cited (Backward Citations)
US2695881A
Cited
US3100175A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-26 | 1978-11-25 | 1979-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-26 | 1982-11-25 | 1983-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-26 | 1986-11-25 | 1987-05-27 | $7700.00 | Window Closed / Lapsed |