US4307089A
Expired / Lapsed
US
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Compositions of pyrithione metal salts and undecylenic acid alkylolamide derivatives
Assignee: Rewo Chemische Werke GmbH
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Filing: 1980-07-30
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Granted: 1981-12-22
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Expires: 2000-07-30
Abstract
Abstract Antimicrobial compositions useful in the preparation of cosmetic formulations, including preparations effective for the treatment of dandruff, are provided. The antimicrobial compositions of the invention consist of a pyrithione compound in combination with an undecylenic acid monoalkylolamide sulfosuccinate half ester.
Inventors
- 👤 Wilhelm Melloh
- 👤 Robert Tanck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:18
CPC Classifications
A; A61; A61Q; A61Q17/00; A61Q17/005; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/27; A61K8/30; A61K8/46; A61K8/463; A61K8/49; A61K8/4906; A61K8/4933; A61Q15/00; A61Q5/00; A61Q5/006; A61Q5/02; Y; Y10; Y10S; Y10S424/00; Y10S424/04
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
60 words
An antibactericidal and antifungicidal composition consisting essentially of 50% to 95%, by weight, undecylenic acid monoalkylolamine sulfosuccinate half ester of the formula ##STR3## wherein n is 2 to 3 and Me represents a metal and 5% to 50%, by weight, pyrithione compound selected from the group consisting of sodium pyrithione, zinc pyrithione, 2,2'-dithiobis(pyridine-1-oxide) or the magnesium sulfate adduct of 2,2'-dithiobis(pyridine-1-oxide).
Claim 2
Dependent Claim
60 words
An antibactericidal and antifungicidal composition consisting essentially of 50% to 95%, by weight, undecylenic acid monoalkylolamine sulfosuccinate half ester of the formula ##STR3## wherein n is 2 to 3 and Me represents a metal and 5% to 50%, by weight, pyrithione compound selected from the group consisting of sodium pyrithione, zinc pyrithione, 2,2'-dithiobis(pyridine-1-oxide) or the magnesium sulfate adduct of 2,2'-dithiobis(pyridine-1-oxide).
Claim 3
Dependent Claim
19 words
The composition of claim 1 wherein the metal Me of the undecylenic acid monoalkylolamide sulfosuccinate half ester is sodium.
Claim 4
Dependent Claim
29 words
The composition of claim 2 containing 80% to 90%, by weight, of the undecylenic acid monoalkylolamide sulfosuccinate half ester and 10% to 20%, by weight, of the pyrithione compound.
Claim 5
Dependent Claim
74 words
An antidandruff preparation containing up to 10%, by weight based on the total formulation, of an antibactericidal and antifungicidal composition consisting of 50% to 95%, by weight, undecylenic acid monoalkylolamide sulfosuccinate half ester of the formula ##STR4## wherein n is 2 to 3 and Me represents a metal and 5% to 50%, by weight, pyrithione compound selected from the group consisting of sodium pyrithione, zinc pyrithione, 2,2'-dithiobis(pyridine-1-oxide) or the magnesium sulfate adduct of 2,2'-dithiobis(pyridine-1-oxide).
Claim 6
Dependent Claim
74 words
An antidandruff preparation containing up to 10%, by weight based on the total formulation, of an antibactericidal and antifungicidal composition consisting of 50% to 95%, by weight, undecylenic acid monoalkylolamide sulfosuccinate half ester of the formula ##STR4## wherein n is 2 to 3 and Me represents a metal and 5% to 50%, by weight, pyrithione compound selected from the group consisting of sodium pyrithione, zinc pyrithione, 2,2'-dithiobis(pyridine-1-oxide) or the magnesium sulfate adduct of 2,2'-dithiobis(pyridine-1-oxide).
Claim 7
Dependent Claim
15 words
The antidandruff preparation of claim 4 which is a water-based shampoo formulated using anionic surfactants.
Claim 8
Dependent Claim
15 words
The antidandruff preparation of claim 4 which is a water-based shampoo formulated using nonionic surfactants.
Claim 9
Dependent Claim
15 words
The antidandruff preparation of claim 4 which is a water-based shampoo formulated using amphoteric surfactants.
Claim 10
Dependent Claim
36 words
The antidandruff preparation of claim 5, 6 or 7 wherein the antibactericidal and antifungicidal composition consists of 80% to 90%, by weight, undecylenic acid monoalkyolamide sulfosuccinate half ester and 10% to 20%, by weight, pyrithione compound.
Claim 11
Dependent Claim
21 words
The antidandruff preparation of claim 8 containing 0.5 weight percent or less of the pyrithione compound, based on the total formulation.
Claim 12
Independent Claim
75 words
A method of imparting antibactericidal and antifungicidal activity to a cosmetic formulation by incorporating therein an effective amount of a composition consisting of 50% to 95%, by weight, undecylenic acid monoalkylolamide sulfosuccinate half ester of the formula ##STR5## wherein n is 2 to 3 and Me represents a metal and 5% to 50%, by weight, pyrithione compound selected from the group consisting of sodium pyrithione, zinc pyrithione, 2,2'-dithiobis(pyridine-1-oxide) or the magnesium sulfate adduct of 2,2'-dithiobis(pyridine-1-oxide).
Claim 13
Independent Claim
75 words
A method of imparting antibactericidal and antifungicidal activity to a cosmetic formulation by incorporating therein an effective amount of a composition consisting of 50% to 95%, by weight, undecylenic acid monoalkylolamide sulfosuccinate half ester of the formula ##STR5## wherein n is 2 to 3 and Me represents a metal and 5% to 50%, by weight, pyrithione compound selected from the group consisting of sodium pyrithione, zinc pyrithione, 2,2'-dithiobis(pyridine-1-oxide) or the magnesium sulfate adduct of 2,2'-dithiobis(pyridine-1-oxide).
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) | 1984-12-21 | 1985-06-22 | 1985-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-12-21 | 1989-06-22 | 1989-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-12-21 | 1993-06-22 | 1993-12-22 | $7700.00 | Window Closed / Lapsed |