US4405645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of dandruff with biguanides
Assignee: Procter and Gamble Deutschland GmbH
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Filing: 1981-03-26
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Granted: 1983-09-20
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Expires: 2001-03-26
Abstract
Abstract Cosmetic agents for the control of head dandruff, containing customary cosmetic carrier substances and additives, and 1 to 5% by weight of salts of at least one biguanide derivative of the general formula <IMAGE> wherein m is from 1 to 10 and n is from 1 to 6. Preferred salts include oligohexamethylene biguanide, oligotetramethylene biguanide and 1-methyl biguanide. Also preferred are the hydrochloride salts of biguanide derivatives. The agents may be in the form of shampoos, hair lotions, hair setting preparations, rinses, hair dressing gels and creams, hair oils, powders, or sprays. Customary carrier substances may be an ointment base, a powder, water, alcohol or water-alcohol mixtures. Customary cosmetic additives include resins, emulsifiers, thickeners, hair care substances, coloring agents, perfume oils, solid fillers, and propellants.
Inventors
- 👤 Rudi Rothlisberger
- 👤 Friedrich Noser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:35
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/006; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/43; A61Q5/02; Y; Y10; Y10S; Y10S424/00; Y10S424/04
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
71 words
A method for the treatment of dandruff, comprising applying to the scalp of an individual requiring such treatment an effective amount of a pharmaceutically acceptable lotion, cream, gel or shampoo containing as an active ingredient, from about 1.0% by weight to about 5.0% by weight of a compound represented by the formula ##STR4## wherein m is from 1 to 10 and n is from 1 to 6 or the hydrochloride thereof.
Claim 2
Independent Claim
71 words
A method for the treatment of dandruff, comprising applying to the scalp of an individual requiring such treatment an effective amount of a pharmaceutically acceptable lotion, cream, gel or shampoo containing as an active ingredient, from about 1.0% by weight to about 5.0% by weight of a compound represented by the formula ##STR4## wherein m is from 1 to 10 and n is from 1 to 6 or the hydrochloride thereof.
Claim 3
Dependent Claim
18 words
The method of claim 1, wherein said compound is oligohexamethylene biguanide hydrochloride with n from 4 to 6.
Claim 4
Dependent Claim
12 words
The method of claim 1, wherein said compound is 1-methyl biguanide hydrochloride.
Claim 5
Independent Claim
79 words
A method for the treatment of dandruff, comprising applying to the scalp of an individual requiring such treatment an effective amount of a pharmaceutically acceptable lotion containing (a) an alcohol selected from ethanol and isopropanol, (b) water and (c) as an active ingredient from about 0.1% by weight to about 2.0% by weight of a compound represented by the formula ##STR5## wherein m is from 1 to 10 and n is from 1 to 6 or the hydrochloride thereof.
Claim 6
Independent Claim
79 words
A method for the treatment of dandruff, comprising applying to the scalp of an individual requiring such treatment an effective amount of a pharmaceutically acceptable lotion containing (a) an alcohol selected from ethanol and isopropanol, (b) water and (c) as an active ingredient from about 0.1% by weight to about 2.0% by weight of a compound represented by the formula ##STR5## wherein m is from 1 to 10 and n is from 1 to 6 or the hydrochloride thereof.
Claim 7
Independent Claim
84 words
A method for the treatment of dandruff, comprising applying to the scalp of an individual requiring such treatment an effective amount of a pharmaceutically acceptable shampoo containing (a) sodium lauryl alcohol diglycol-ether sulfate, 28 % aqueous solution, (b) sodium chloride, (c) water and (d) as an active ingredient from about 0.1% by weight to about 3.0% by weight of a compound represented by the formula ##STR6## wherein m is from 1 to 10 and n is from 1 to 6 or the hydrochloride thereof.
Claim 8
Independent Claim
84 words
A method for the treatment of dandruff, comprising applying to the scalp of an individual requiring such treatment an effective amount of a pharmaceutically acceptable shampoo containing (a) sodium lauryl alcohol diglycol-ether sulfate, 28 % aqueous solution, (b) sodium chloride, (c) water and (d) as an active ingredient from about 0.1% by weight to about 3.0% by weight of a compound represented by the formula ##STR6## wherein m is from 1 to 10 and n is from 1 to 6 or the hydrochloride thereof.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-09-19 | 1987-03-21 | 1987-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-09-19 | 1991-03-21 | 1991-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-09-19 | 1995-03-21 | 1995-09-20 | $7700.00 | Window Closed / Lapsed |