US4777038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Free-flowing pearlescent concentrate
Assignee: Henkel AG and Co KGaA
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Filing: 1986-05-16
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Granted: 1988-10-11
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Expires: 2006-05-16
Abstract
Abstract A free-flowing aqueous concentrate for imparting a pearlescent appearance to cosmetics and surfactants and which is compatible with preparations of differing ionicity, containing: a compound of the formula R 1 -(OC n H 2n ) x OR 2 wherein R 1 is a linear C 16-22 fatty acyl, R 2 is hydrogen or a linear C 16-22 fatty acyl, n is 2 or 3, and x is 1 to 4; a C 12-22 fatty acid monoethanolamide; and a nonionic ethylene oxide adduct having an HLB value of 12 to 16; as well as a method for using such concentrate.
Inventors
- 👤 Ingeborg Scheuffgen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:22
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/42; A61K8/33; A61K8/37; A61K8/375; A61K8/39; A61Q; A61Q5/00; A61Q5/02; C; C11; C11D; C11D3/00; C11D3/0005; C11D3/0089
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
154 words
A pearlescent concentrate in the form of a free-flowing dispersion essentially free from ionic surfactants, consisting of: (A) from about 5 to about 15% at least one ester of the formula R.sup.1 --(OC.sub.n H.sub.2n).sub.x --OR.sup.2, wherein R 1 is a linear C 16-22 fatty acyl, R 2 is a linear C 16-22 fatty acyl or hydrogen, n is 2 or 3, and x is an integer from 1 to 14; (B) from about 1 to about 6% of at least one C 12-22 fatty acid monoethanolamide; (C) from about 1 to about 5% of at least one nonionic ethylene oxide adduct of fatty alcohol, fatty acid, fatty amide, or alkanolamide having 12 to 22 carbon atoms in the alkyl or acyl moiety, or a C 8-16 alkylphenol; having an HLB-value of about 12 to about 16; and (D) water q.s. to 100%; all percentages being based upon the total weight of said pearlescent concentrate.
Claim 2
Dependent Claim
154 words
A pearlescent concentrate in the form of a free-flowing dispersion essentially free from ionic surfactants, consisting of: (A) from about 5 to about 15% at least one ester of the formula R.sup.1 --(OC.sub.n H.sub.2n).sub.x --OR.sup.2, wherein R 1 is a linear C 16-22 fatty acyl, R 2 is a linear C 16-22 fatty acyl or hydrogen, n is 2 or 3, and x is an integer from 1 to 14; (B) from about 1 to about 6% of at least one C 12-22 fatty acid monoethanolamide; (C) from about 1 to about 5% of at least one nonionic ethylene oxide adduct of fatty alcohol, fatty acid, fatty amide, or alkanolamide having 12 to 22 carbon atoms in the alkyl or acyl moiety, or a C 8-16 alkylphenol; having an HLB-value of about 12 to about 16; and (D) water q.s. to 100%; all percentages being based upon the total weight of said pearlescent concentrate.
Claim 3
Dependent Claim
42 words
The concentrate of claim 1 wherein (A) is at least one: monoester or diester of ethylene glycol or propylene glycol with at least one higher fatty acid; or diester of diethylene glycol or triethylene glycol with at least one higher fatty acid.
Claim 4
Dependent Claim
44 words
The concentrate of claim 1 wherein (A) is at least one monoester or diester of ethylene glycol or propylene glycol with palmitic acid, stearic acid, and/or behenic acid; or diester of diethylene glycol or triethylene glycol with palmitic acid, stearic acid, and/or behenic acid.
Claim 5
Dependent Claim
18 words
The concentrate of claim 2 wherein said at least one higher fatty acid is hardened tallow fatty acid.
Claim 6
Dependent Claim
25 words
The concentrate of claim 2 wherein said at least one higher fatty acid is a saturated C 16-18 fatty acid fraction of tallow fatty acid.
Claim 7
Dependent Claim
20 words
The concentrate of claim 2 wherein: (A) is the ethylene glycol monoester and/or diester of palmitic acid, and/or stearic acid.
Claim 8
Dependent Claim
38 words
The concentrate of claim 2 wherein (A) is: (A1) from about 5 to about 8% of a mixture of ethylene glycol monostearate and ethylene glycol distearate; and (A2) from about 2 to about 5% of triethylene glycol distearate.
Claim 9
Dependent Claim
17 words
The concentrate of claim 7 wherein in (A1) the ratio by weight of monostearate:distearate is about 1:2-5.
Claim 10
Dependent Claim
16 words
The concentrate of claim 1 wherein: (B) is at least one C 12-18 fatty acid monoethanolamide.
Claim 11
Dependent Claim
46 words
The concentrate of claim 1 wherein: (B) is lauric acid monoethanolamide, myristic acid monoethanolamide, palmitic acid monoethanolamide, stearic acid monoethanolamide, a mixture of palmitic acid monoethanolamide and stearic acid monoethanolamide, the monoethanolamide of the C 12-18 fraction of coconut oil fatty acid, or a mixture thereof.
Claim 12
Dependent Claim
46 words
The concentrate of claim 2 wherein: (B) is lauric acid monoethanolamide, myristic acid monoethanolamide, palmitic acid monoethanolamide, stearic acid monoethanolamide, a mixture of palmitic acid monoethanolamide and stearic acid monoethanolamide, the monoethanolamide of the C 12-18 fraction of coconut oil fatty acid, or a mixture thereof.
Claim 13
Dependent Claim
46 words
The concentrate of claim 3 wherein: (B) is lauric acid monoethanolamide, myristic acid monoethanolamide, palmitic acid monoethanolamide, stearic acid monoethanolamide, a mixture of palmitic acid monoethanolamide and stearic acid monoethanolamide, the monoethanolamide of the C 12-18 fraction of coconut oil fatty acid, or a mixture thereof.
Claim 14
Dependent Claim
46 words
The concentrate of claim 7 wherein: (B) is lauric acid monoethanolamide, myristic acid monoethanolamide, palmitic acid monoethanolamide, stearic acid monoethanolamide, a mixture of palmitic acid monoethanolamide and stearic acid monoethanolamide, the monoethanolamide of the C 12-18 fraction of coconut oil fatty acid, or a mixture thereof.
Claim 15
Dependent Claim
39 words
The concentrate of claim 1 wherein: (C) is at least one ethylene oxide adduct of a fatty alcohol, fatty acid, fatty amide, or alkanolamide, any fatty alkyl moiety or fatty acyl moiety present having 12 to 22 carbon atoms.
Claim 16
Dependent Claim
39 words
The concentrate of claim 2 wherein: (C) is at least one ethylene oxide adduct of a fatty alcohol, fatty acid, fatty amide, or alkanolamide, any fatty alkyl moiety or fatty acyl moiety present having 12 to 22 carbon atoms.
Claim 17
Dependent Claim
43 words
The concentrate of claim 1 wherein: (C) is an ethylene oxide adduct with: a (C 8-16 -alkyl) phenol, a glycerol monoester, a pentaerythritol monoester, a sorbitan monoester, or a fatty acid diester, each containing 12 to 22 carbon atoms; or a mixture thereof.
Claim 18
Dependent Claim
43 words
The concentrate of claim 3 wherein: (C) is an ethylene oxide adduct with: a (C 8-16 -alkyl) phenol, a glycerol monoester, a pentaerythritol monoester, a sorbitan monoester, or a fatty acid diester, each containing 12 to 22 carbon atoms; or a mixture thereof.
Claim 19
Dependent Claim
43 words
The concentrate of claim 1 wherein: (C) is an ethylene oxide adduct with: a (C 8-16 -alkyl) phenol, a glycerol monoester, a pentaerythritol monoester, a sorbitan monoester, or a fatty acid diester, each containing 12 to 22 carbon atoms; or a mixture thereof.
Claim 20
Dependent Claim
26 words
The concentrate of claim 1 wherein: (C) is an adduct of 6 to 20 mols of ethylene oxide with at least one C 12-22 fatty alcohol.
Claim 21
Dependent Claim
26 words
The concentrate of claim 13 wherein: (C) is an adduct of 6 to 20 mols of ethylene oxide with at least one C 12-22 fatty alcohol.
Claim 22
Dependent Claim
63 words
The concentrate of claim 1 wherein (C) is: (C1) from about 1 to about 3% of an adduct of from 8 to 15 mols of ethylene oxide with C 12-18 coconut oil fatty alcohol cut; and (C2) from about 0.5 to about 2% of an adduct of from 10 to 20 mols of ethylene oxide with a saturated C 16-18 fatty alcohol cut.
Claim 23
Dependent Claim
63 words
The concentrate of claim 7 wherein (C) is: (C1) from about 1 to about 3% of an adduct of from 8 to 15 mols of ethylene oxide with C 12-18 coconut oil fatty alcohol cut; and (C2) from about 0.5 to about 2% of an adduct of from 10 to 20 mols of ethylene oxide with a saturated C 16-18 fatty alcohol cut.
Claim 24
Dependent Claim
63 words
The concentrate of claim 13 wherein (C) is: (C1) from about 1 to about 3% of an adduct of from 8 to 15 mols of ethylene oxide with C 12-18 coconut oil fatty alcohol cut; and (C2) from about 0.5 to about 2% of an adduct of from 10 to 20 mols of ethylene oxide with a saturated C 16-18 fatty alcohol cut.
Claim 25
Dependent Claim
15 words
The concentrate of claim 1 wherein: (D) is present in about 75 to about 90%.
Claim 26
Dependent Claim
18 words
The concentrate of claim 1 wherein: (A) and (B) together are present in about 8 to about 14%.
Claim 27
Dependent Claim
97 words
The concentrate of claim 1 wherein: (A) is (A1) about 6% of a mixture of ethylene glycol monostearate and distearate in a weight ratio of 1:2-5, and (A2) about 4% of triethylene glycol distearate; (B) is about 2 to about 4% of a C 12-18 coconut fatty acid monoethanolamide; (C) is (C1) about 2% of an adduct of 8 to 12 mols of ethylene oxide with a C 12-18 coconut oil fatty alcohol cut, and (C2) about 1% of an adduct of 10 to 16 mols of ethylene oxide with a saturated C 16-18 fatty alcohol cut.
Claim 28
Dependent Claim
33 words
A method for imparting a pearlescent appearance to an aqueous surfactant composition or aqueous cosmetic composition comprising dispersing therein an amount of the concentrate of claim 11 effective to provide a pearlescent appearance.
Claim 29
Dependent Claim
30 words
The method of claim 27 wherein about 1 to about 10% by weight of said concentrate are added, based upon the total weight of said surfactant composition or cosmetic composition.
Claim 30
Dependent Claim
129 words
A pearlescent concentrate in the form of a freeflowing dispersion essentially free from ionic surfactants, consisting of: (A) from about 5 to about 15% of at least one ester of the formula R.sup.1 --(OC.sub.n H.sub.2n).sub.x --OR.sup.2, wherein R 1 is a linear C 16-22 fatty acyl, R 2 is a linear C 16-22 fatty acyl or hydrogen, n is 2 or 3, and x is an integer from 1 to 4; (B) from about 1 to about 6% of at least one C 12-22 fatty acid monoethanolamide; (C) from about 1 to about 5% of at least one nonionic ethylene oxide adduct having an HLB-value of about 12 to about 16; and (D) water q.s. to 100%; all percentages being based upon the total weight of said pearlescent concentrate.
Claim 31
Dependent Claim
129 words
A pearlescent concentrate in the form of a freeflowing dispersion essentially free from ionic surfactants, consisting of: (A) from about 5 to about 15% of at least one ester of the formula R.sup.1 --(OC.sub.n H.sub.2n).sub.x --OR.sup.2, wherein R 1 is a linear C 16-22 fatty acyl, R 2 is a linear C 16-22 fatty acyl or hydrogen, n is 2 or 3, and x is an integer from 1 to 4; (B) from about 1 to about 6% of at least one C 12-22 fatty acid monoethanolamide; (C) from about 1 to about 5% of at least one nonionic ethylene oxide adduct having an HLB-value of about 12 to about 16; and (D) water q.s. to 100%; all percentages being based upon the total weight of said pearlescent concentrate.
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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) | 1991-10-11 | 1992-04-11 | 1992-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-10-11 | 1996-04-11 | 1996-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-10-11 | 2000-04-11 | 2000-10-11 | $7700.00 | Window Closed / Lapsed |