US4104403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-oil emulsions and method of preparing same
Assignee: Witco Corp
•
Filing: 1976-12-21
•
Granted: 1978-08-01
•
Expires: 1996-12-21
Abstract
Abstract Cosmetic emulsions having a high internal phase ratio comprising an oil continuous phase, a water disperse phase, and an emulsifier combination of (i) aluminum and/or calcium stearate and (ii) a phosphated mono- and/or diglyceride; and method of preparing same.
Inventors
- 👤 Graham Barker
- 👤 Martin J. Barabash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:38
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/36; A61K8/361; A61K8/02; A61K8/04; A61K8/06; A61K8/064; A61K8/37; A61K8/55; A61K8/553; A61Q; A61Q17/00; A61Q19/00; A61Q19/10
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
103 words
A high internal phase ratio cosmetic emulsion having a water disperse phase and an oil continuous phase which comprises (a) a cosmetic emulsion oil, (b) an emulsifier combination comprising aluminum and/or calcium stearate and an alkali metal phosphoric acid ester of a mono- and/or diglyceride, and (c) water, said components (a) (b) and (c) being present in the following concentration ranges expressed in percent by weight based upon the total weight of the resulting emulsion: ______________________________________
Concentration
Component Range
______________________________________
(a) Cosmetic emulsion oil
balance
(b) Al/Ca stearate 0.5 - 3.0
Phosphated glyceride 0.5 - 5.0
(c) H.sub.2 O 40.0 - 85.0
______________________________________
Claim 2
Dependent Claim
103 words
A high internal phase ratio cosmetic emulsion having a water disperse phase and an oil continuous phase which comprises (a) a cosmetic emulsion oil, (b) an emulsifier combination comprising aluminum and/or calcium stearate and an alkali metal phosphoric acid ester of a mono- and/or diglyceride, and (c) water, said components (a) (b) and (c) being present in the following concentration ranges expressed in percent by weight based upon the total weight of the resulting emulsion: ______________________________________
Concentration
Component Range
______________________________________
(a) Cosmetic emulsion oil
balance
(b) Al/Ca stearate 0.5 - 3.0
Phosphated glyceride 0.5 - 5.0
(c) H.sub.2 O 40.0 - 85.0
______________________________________
Claim 3
Dependent Claim
37 words
The emulsion of claim 1 wherein concentration ranges are: ______________________________________
Concentration
Component Range
______________________________________
(a) Cosmetic emulsion oil
balance
(b) Al/Ca stearate 1.0 - 2.5
Phosphated glyceride
1.2 - 3.75
(c) H.sub.2 O 50.0 - 78.0
______________________________________
Claim 4
Dependent Claim
20 words
The emulsion of claim 1 wherein the phosphated glyceride co-emulsifier is an alkali metal phosphoric acid ester of a monoglyceride.
Claim 5
Dependent Claim
23 words
The emulsion of claim 3 wherein the monoglyceride is the sodium phosphoric acid ester of the monoglyceride and the stearate is aluminum stearate.
Claim 6
Dependent Claim
20 words
The emulsion of claim 1 wherein the phosphated glyceride co-emulsifier is an alkali metal phosphoric acid ester of a diglyceride.
Claim 7
Dependent Claim
23 words
The emulsion of claim 5 wherein the diglyceride is the sodium phosphoric acid ester of the diglyceride and the stearate is aluminum stearate.
Claim 8
Independent Claim
132 words
A method of preparing a high internal phase ratio cosmetic emulsion having a water disperse phase and an oil continuous phase which comprises (i) admixing (a) a cosmetic emulsion oil and (b) an emulsifier combination comprising aluminum and/or calcium stearate and an alkali metal phosphoric acid ester of a mono- and/or di-glyceride and (ii), while agitating, blending therewith (c) water which has been heated to a temperature in the range of about 90° to about 95° C, said components (a) (b) and (c) being present in the following concentration ranges expressed in percent by weight based upon the total weight of the resulting emulsion: ______________________________________
Concentration
Component Range
______________________________________
(a) Cosmetic emulsion oil
balance
(b) Al/Ca stearate 0.5 - 3.0
Phosphated glyceride 0.5 - 5.0
(c) H.sub.2 O 40.0 - 85.0
______________________________________
Claim 9
Independent Claim
132 words
A method of preparing a high internal phase ratio cosmetic emulsion having a water disperse phase and an oil continuous phase which comprises (i) admixing (a) a cosmetic emulsion oil and (b) an emulsifier combination comprising aluminum and/or calcium stearate and an alkali metal phosphoric acid ester of a mono- and/or di-glyceride and (ii), while agitating, blending therewith (c) water which has been heated to a temperature in the range of about 90° to about 95° C, said components (a) (b) and (c) being present in the following concentration ranges expressed in percent by weight based upon the total weight of the resulting emulsion: ______________________________________
Concentration
Component Range
______________________________________
(a) Cosmetic emulsion oil
balance
(b) Al/Ca stearate 0.5 - 3.0
Phosphated glyceride 0.5 - 5.0
(c) H.sub.2 O 40.0 - 85.0
______________________________________
Claim 10
Dependent Claim
38 words
The method of claim 7 wherein the concentration ranges are: ______________________________________
Concentration
Component Range
______________________________________
(a) Cosmetic emulsion oil
balance
(b) Al/Ca stearate 1.0 - 2.5
Phosphated glyceride
1.2 - 3.75
(c) H.sub.2 O 50.0 - 78.0
______________________________________
Claim 11
Dependent Claim
20 words
The method of claim 7 wherein the phosphated glyceride co-emulsifier is an alkali metal phosphoric acid ester of a monoglyceride.
Claim 12
Dependent Claim
20 words
The method of claim 7 wherein the phosphated glyceride co-emulsifier is an alkali matal phosphoric acid ester of a diglyceride.
Claim 13
Dependent Claim
24 words
The method of claim 9 wherein the monoglyceride co-emulsifier is the sodium phosphoric acid ester of the monoglyceride and the stearate is aluminum stearate.
Claim 14
Dependent Claim
24 words
The method of claim 10 wherein the diglyceride co-emulsifier is the sodium phosphoric acid ester of the diglyceride and the stearate is aluminum stearate.
References Cited (Backward Citations)
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Cited
US2447715A
Cited
GB854925A
Cited
US3081320A
Cited
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Cited
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Cited
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US4005190A
Cited
US3920819A
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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) | 1981-07-31 | 1982-01-30 | 1982-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-07-31 | 1986-01-30 | 1986-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-07-31 | 1990-01-30 | 1990-08-01 | $7700.00 | Window Closed / Lapsed |