US4818440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel polyether carboxylic acid derivatives, as well as their uses
Assignee: Kao Corp
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Filing: 1983-08-16
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Granted: 1989-04-04
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Expires: 2003-08-16
Abstract
Abstract Novel surfactant compounds are provided of the formula R-CO-NH-(C2H4O)n-CH2COOH, wherein R-CO- is the residue of at least one aliphatic carboxylic acid of 6-22 carbon atoms and n represents a number having an average of 2-10, as well as their salts with alkali metals, ammonium and amines. These compounds possess not only a low primary toxicity, but also a low secondary toxicity for the skin, and accordingly they are especially useful in cosmetic compositions, compositions for non-automatic dishwashing and laundering compositions for the fine laundry.
Inventors
- 👤 Werner Schafer
- 👤 Rolf Schafer
- 👤 Doris Schafer
- 👤 Johan G. Aalbers
- 👤 Jacob K. Smid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:03
CPC Classifications
A; A61; A61Q; A61Q19/00; A61Q19/10; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/45; C; C11; C11D; C11D1/00; C11D1/02; C11D1/04; C11D1/06
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
89 words
In a composition for prolonged or multiple contact with the human skin and containing a detergent agent, the improvement wherein said detergent agent consists essentially of at least one detergent selected from the group consisting of compounds of the formula: R--CO--NH--(C.sub.2 H.sub.4 O).sub.n --CH.sub.2 COOH, wherein R--CO-- is the residue of at least one aliphatic carboxylic acid of 6-22 carbon atoms and n represents a number having an average value of 2-10, as well as their salts with alkali metals, ammonium and amines, and at least a carrier therefor.
Claim 2
Dependent Claim
89 words
In a composition for prolonged or multiple contact with the human skin and containing a detergent agent, the improvement wherein said detergent agent consists essentially of at least one detergent selected from the group consisting of compounds of the formula: R--CO--NH--(C.sub.2 H.sub.4 O).sub.n --CH.sub.2 COOH, wherein R--CO-- is the residue of at least one aliphatic carboxylic acid of 6-22 carbon atoms and n represents a number having an average value of 2-10, as well as their salts with alkali metals, ammonium and amines, and at least a carrier therefor.
Claim 3
Dependent Claim
11 words
Composition according to claim 1, wherein n is at least 3.
Claim 4
Dependent Claim
13 words
Composition according to claim 1, wherein R--CO-- represents the residue of lauric acid.
Claim 5
Dependent Claim
13 words
Composition according to claim 1, wherein R--CO-- represents the residue of stearic acid.
Claim 6
Dependent Claim
14 words
Composition according to claim 1, wherein R--CO-- represents the residue of coco fatty acid.
Claim 7
Dependent Claim
18 words
A composition according to claim 1 further comprising at least one of glycol, alcohol, glycerol or an ethanolamine.
Claim 8
Dependent Claim
17 words
A composition according to claim 1 comprising at least one of glycol, alcohol, glycerol or an ethanolamine.
Claim 9
Dependent Claim
20 words
A composition according to claim 7 further comprising an amount of dye only sufficient to provide said composition with color.
Claim 10
Dependent Claim
18 words
A composition according to claim 1 further comprising an amount sufficient of perfume to provide a pleasant odor.
Claim 11
Dependent Claim
12 words
A composition according to claim 9 in the form of a shampoo.
Claim 12
Dependent Claim
14 words
A composition according to claim 9 in the form of a bubble bath composition.
Claim 13
Dependent Claim
94 words
In a method involving substantial contact of human skin with a detergent composition, comprising the step of bringing the detergent composition into contact with the skin repeatedly or for a prolonged period of contact, the improvement comprising reducing secondary toxicity by using as a said detergent a compound of the formula: R--CO--NH--(C.sub.2 H.sub.4 O).sub.n --CH.sub.2 COOH, wherein R--CO-- is the residue of at least one aliphatic carboxylic acid of 6-22 carbon atoms and n represents a number having an average value of 2-10, as well as their salts with alkali metals, ammonium and amines.
Claim 14
Dependent Claim
94 words
In a method involving substantial contact of human skin with a detergent composition, comprising the step of bringing the detergent composition into contact with the skin repeatedly or for a prolonged period of contact, the improvement comprising reducing secondary toxicity by using as a said detergent a compound of the formula: R--CO--NH--(C.sub.2 H.sub.4 O).sub.n --CH.sub.2 COOH, wherein R--CO-- is the residue of at least one aliphatic carboxylic acid of 6-22 carbon atoms and n represents a number having an average value of 2-10, as well as their salts with alkali metals, ammonium and amines.
Claim 15
Dependent Claim
96 words
In a composition in the form of a cosmetic cream, for prolonged on multiple contact with the human skin and containing a detergent agent, the improvement wherein said detergent agent consists essentially of at least one detergent selected from the group consisting of compounds of the formula: R--CO--NH--(C.sub.2 H.sub.4 O).sub.n --CH.sub.2 COOH, wherein R--CO-- is the residue of at least one aliphatic carboxylic acid of 6-22 carbon atoms and n represents a number having an average value of 2-10, as well as their salts with alkali metals, ammonium and amines, and at least a carrier therefor.
Claim 16
Dependent Claim
96 words
In a composition in the form of a cosmetic cream, for prolonged on multiple contact with the human skin and containing a detergent agent, the improvement wherein said detergent agent consists essentially of at least one detergent selected from the group consisting of compounds of the formula: R--CO--NH--(C.sub.2 H.sub.4 O).sub.n --CH.sub.2 COOH, wherein R--CO-- is the residue of at least one aliphatic carboxylic acid of 6-22 carbon atoms and n represents a number having an average value of 2-10, as well as their salts with alkali metals, ammonium and amines, and at least a carrier therefor.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-04-03 | 1992-10-03 | 1993-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-04-03 | 1996-10-03 | 1997-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-04-03 | 2000-10-03 | 2001-04-04 | $7700.00 | Window Closed / Lapsed |