US4835002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microemulsions of oil in water and alcohol
Assignee: Pepsico Inc
•
Filing: 1987-07-10
•
Granted: 1989-05-30
•
Expires: 2007-07-10
Abstract
Abstract Microemulsions of edible oils in a matrix of water and certain alcohols are prepared using certain edible surfactants for use in various products such as beverages.
Inventors
- 👤 Peter A. Wolf
- 👤 Margaret J. Havekotte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:14
CPC Classifications
A; A23; A23L; A23L2/00; A23L2/38; A23L27/00; A23L27/80
Claims Analysis
Total Claims: 48
Claim 1
Independent Claim
156 words
An edible concentrated microemulsion of edible essential oil in a matrix of water and alcohol selected from the group consisting of ethanol, propylene glycol, glycerine, sugar, sugar alcohol and mixtures thereof, said microemulsion comprising about 1 to 25 weight % of said essential oil, about 1 to 30 weight % of at least one surfactant, and about 25 to 80 weight % of said alcohol, with the balance being water, up to 100 weight %, with the provisos that said alcohol and said water are present in a weight ratio to each other of about 0.5 to 30, said oil and said surfactant are present in a weight ratio to each other of about 0.2 to 5.0, said alcohol and said surfactant are present in a weight ratio to each other of about 6 to 20, and said surfactant and said oil are present in a weight ratio to each other of about 0.2 to 5.
Claim 2
Dependent Claim
156 words
An edible concentrated microemulsion of edible essential oil in a matrix of water and alcohol selected from the group consisting of ethanol, propylene glycol, glycerine, sugar, sugar alcohol and mixtures thereof, said microemulsion comprising about 1 to 25 weight % of said essential oil, about 1 to 30 weight % of at least one surfactant, and about 25 to 80 weight % of said alcohol, with the balance being water, up to 100 weight %, with the provisos that said alcohol and said water are present in a weight ratio to each other of about 0.5 to 30, said oil and said surfactant are present in a weight ratio to each other of about 0.2 to 5.0, said alcohol and said surfactant are present in a weight ratio to each other of about 6 to 20, and said surfactant and said oil are present in a weight ratio to each other of about 0.2 to 5.
Claim 3
Dependent Claim
21 words
A microemulsion as in claim 1 comprising one or more surfactants having a composite HLB value of about 10 to 18.
Claim 4
Dependent Claim
20 words
A microemulsion as in claim 2 in which said surfactants have a composite HLB value of about 13 to 16.
Claim 5
Dependent Claim
21 words
A mircoemulsion as in claim 2 wherein the aqueous phase of such emulsion has a pH of about 3 to 9.
Claim 6
Dependent Claim
15 words
A microemulsion as in claim 4 which has a pH of about 5 to 7.
Claim 7
Dependent Claim
15 words
A microemulsion as in claim 1 which is stable at 70°-75° F., for ≧one year.
Claim 8
Dependent Claim
14 words
A microemulsion as in claim 1 in which said oil comprises citrus fruit oil.
Claim 9
Dependent Claim
13 words
A microemulsion as in claim 7 in which said oil comprises orange oil.
Claim 10
Dependent Claim
13 words
A microemulsion as in claim 7 in which said oil comprises lemon oil.
Claim 11
Dependent Claim
13 words
A microemulsion as in claim 7 in which said oil comprises grapefruit oil.
Claim 12
Dependent Claim
15 words
A microemulsion as in claim 7 in which said oil comprises cola flavoring essential oil.
Claim 13
Dependent Claim
172 words
A ring-less beverage flavored with citrus fruit oil and comprising as said oil imparting component thereof, at least one preformed microemulsion of said oil in a matrix of water and alcohol selected from the group consisting of ethanol, propylene glycol, glycerine, sugar, sugar alcohol and mixtures thereof, said microemulsion comprising about 1 to 25 weight % of said essential oil, about 1 to 30 weight % of at least one surfactant, and about 25 to 80 weight % of said alcohol, with the balance being water, up to 100 weight %, with the provisos that said alcohol and said water are present in a weight ratio to each other of about 0.5 to 30, said oil and said surfactant are present in a weight ratio to each other of about 0.2 to 5.0, said alcohol and said surfactant are present in a weight ratio to each other of about 6 to 20, and said surfactant and said oil are present in a weight ratio to each other of about 0.2 to 5.
Claim 14
Dependent Claim
172 words
A ring-less beverage flavored with citrus fruit oil and comprising as said oil imparting component thereof, at least one preformed microemulsion of said oil in a matrix of water and alcohol selected from the group consisting of ethanol, propylene glycol, glycerine, sugar, sugar alcohol and mixtures thereof, said microemulsion comprising about 1 to 25 weight % of said essential oil, about 1 to 30 weight % of at least one surfactant, and about 25 to 80 weight % of said alcohol, with the balance being water, up to 100 weight %, with the provisos that said alcohol and said water are present in a weight ratio to each other of about 0.5 to 30, said oil and said surfactant are present in a weight ratio to each other of about 0.2 to 5.0, said alcohol and said surfactant are present in a weight ratio to each other of about 6 to 20, and said surfactant and said oil are present in a weight ratio to each other of about 0.2 to 5.
Claim 15
Dependent Claim
12 words
A comestible product as in claim 12 which is a carbonated beverage.
Claim 16
Dependent Claim
13 words
A comestible product as in claim 12 which is a spritzer type beverage.
Claim 17
Dependent Claim
14 words
A comestible product as in claim 12 in which said oil comprises orange oil.
Claim 18
Dependent Claim
14 words
A comestible product as in claim 12 in which said oil comprises lemon oil.
Claim 19
Dependent Claim
14 words
A comestible product as in claim 12 in which said oil comprises grapefruit oil.
Claim 20
Dependent Claim
12 words
A comestible product as in claim 12 which is a diet beverage.
Claim 21
Dependent Claim
13 words
A comestible product as in claim 18 which is a low calorie beverage.
Claim 22
Dependent Claim
13 words
A comestible product as in claim 18 which is a reduced calorie beverage.
Claim 23
Dependent Claim
13 words
A comestible product as in claim 18 which is a sugar free beverage.
Claim 24
Dependent Claim
158 words
An edible concentrated microemulsion of edible essential oil in a matrix of water and alcohol selected from the group consisting of ethanol, propylene glycol, glyerine, sugar, sugar alcohol and mixtures thereof, said microemulsion consisting essentially of about 1 to 25 weight % of said essential oil, about 1 to 30 weight % of at least one surfactant, and about 25 to 80 weight % of said alcohol, with the balance being water, up to 100 weight %, with the provisos that said alcohol and said water are present in a weight ratio to each other of about 0.5 to 30, said oil and said surfactant are present in a weight ratio to each other of about 0.2 to 5.0, said alcohol and said surfactant are present in a weight ratio to each other of about 6 to 20, and said surfactant and said oil are present in a weight ratio to each other of about 0.2 to 5.
Claim 25
Dependent Claim
158 words
An edible concentrated microemulsion of edible essential oil in a matrix of water and alcohol selected from the group consisting of ethanol, propylene glycol, glyerine, sugar, sugar alcohol and mixtures thereof, said microemulsion consisting essentially of about 1 to 25 weight % of said essential oil, about 1 to 30 weight % of at least one surfactant, and about 25 to 80 weight % of said alcohol, with the balance being water, up to 100 weight %, with the provisos that said alcohol and said water are present in a weight ratio to each other of about 0.5 to 30, said oil and said surfactant are present in a weight ratio to each other of about 0.2 to 5.0, said alcohol and said surfactant are present in a weight ratio to each other of about 6 to 20, and said surfactant and said oil are present in a weight ratio to each other of about 0.2 to 5.
Claim 26
Dependent Claim
21 words
A microemulsion as in claim 22 comprising one or more surfactants having a composite HLB value of about 10 to 18.
Claim 27
Dependent Claim
20 words
A microemulsion as in claim 23 in which said surfactants have a composite HLB value of about 13 to 16.
Claim 28
Dependent Claim
21 words
A microemulsion as in claim 23 wherein the aqueous phase of such emulsion has a pH of about 3 to 9.
Claim 29
Dependent Claim
15 words
A microemulsion as in claim 25 which has a pH of about 5 to 7.
Claim 30
Dependent Claim
15 words
A microemulsion as in claim 22 which is stable at 70°-75° F., for ≧one year.
Claim 31
Dependent Claim
14 words
A microemulsion as in claim 22 in which said oil comprises citrus fruit oil.
Claim 32
Dependent Claim
13 words
A microemulsion as in claim 28 in which said oil comprises orange oil.
Claim 33
Dependent Claim
13 words
A microemulsion as in claim 28 in which said oil comprises lemon oil.
Claim 34
Dependent Claim
13 words
A microemulsion as in claim 28 in which said oil comprises grapefruit oil.
Claim 35
Dependent Claim
15 words
A microemulsion as in claim 22 in which said oil comprises cola flavoring essential oil.
Claim 36
Dependent Claim
175 words
A ring-less beverage flavored with citrus fruit oil and consisting of, as said oil imparting component thereof, at least one preformed microemulsion of said oil in a matrix of water and alcohol selected from the group consisting of ethanol, propylene glycol, glycerine, sugar, sugar alcohol and mixtures thereof, said microemulsion consisting essentially of about 1 to 25 weight % of said essential oil, about 1 to 30 weight % of at least one surfactant, and about 25 to 80 weight % of said alcohol, with the balance being water, up to 100 weight %, with the provisos that said alcohol and said water are present in a weight ratio to each other of about 0.5 to 30, said oil and said surfactant are present in a weight ratio to each other of about 0.2 to 5.0, said alcohol and said surfactant are present in a weight ratio to each other of about 6 to 20, and said surfactant and said oil are present in a weight ratio to each other of about 0.2 to 5.
Claim 37
Dependent Claim
175 words
A ring-less beverage flavored with citrus fruit oil and consisting of, as said oil imparting component thereof, at least one preformed microemulsion of said oil in a matrix of water and alcohol selected from the group consisting of ethanol, propylene glycol, glycerine, sugar, sugar alcohol and mixtures thereof, said microemulsion consisting essentially of about 1 to 25 weight % of said essential oil, about 1 to 30 weight % of at least one surfactant, and about 25 to 80 weight % of said alcohol, with the balance being water, up to 100 weight %, with the provisos that said alcohol and said water are present in a weight ratio to each other of about 0.5 to 30, said oil and said surfactant are present in a weight ratio to each other of about 0.2 to 5.0, said alcohol and said surfactant are present in a weight ratio to each other of about 6 to 20, and said surfactant and said oil are present in a weight ratio to each other of about 0.2 to 5.
Claim 38
Dependent Claim
11 words
A beverage as in claim 33 which is a carbonated beverage.
Claim 39
Dependent Claim
12 words
A beverage as in claim 34 which is a spritzer type beverage.
Claim 40
Dependent Claim
13 words
A beverage as in claim 33 in which said oil comprises orange oil.
Claim 41
Dependent Claim
13 words
A beverage as in claim 33 in which said oil comprises lemon oil.
Claim 42
Dependent Claim
13 words
A beverage as in claim 33 in which said oil comprises grapefruit oil.
Claim 43
Dependent Claim
11 words
A beverage as in claim 33 which is a diet beverage.
Claim 44
Dependent Claim
12 words
A beverage as in claim 39 which is a low calorie beverage.
Claim 45
Dependent Claim
175 words
A ring-less cola flavored beverage wherein the cola flavor is, as the flavor oil imparting component thereof, at least one preformed microemulsions of said oil in a matrix of water and alcohol selected from the group consisting of ethanol, propylene glycol, glycerine, sugar, sugar alcohol and mixtures thereof, said microemulsion consisting essentially of about 1 to 25 weight % of said essential oil, about 1 to 30 weight % of at least one surfactant, and about 25 to 80 weight % of said alcohol, with the balance being water, up to 100 weight %, with the provisos that said alcohol and said water are present in a weight ratio to each other of about 0.5 to 30, said oil and said surfactant are present in a weight ratio to each other of about 0.2 to 5.0, said alcohol and said surfactant are present in a weight ratio to each other of about 6 to 20, and said surfactant and said oil are present in a weight ratio to each other of about 0.2 to 5.
Claim 46
Dependent Claim
175 words
A ring-less cola flavored beverage wherein the cola flavor is, as the flavor oil imparting component thereof, at least one preformed microemulsions of said oil in a matrix of water and alcohol selected from the group consisting of ethanol, propylene glycol, glycerine, sugar, sugar alcohol and mixtures thereof, said microemulsion consisting essentially of about 1 to 25 weight % of said essential oil, about 1 to 30 weight % of at least one surfactant, and about 25 to 80 weight % of said alcohol, with the balance being water, up to 100 weight %, with the provisos that said alcohol and said water are present in a weight ratio to each other of about 0.5 to 30, said oil and said surfactant are present in a weight ratio to each other of about 0.2 to 5.0, said alcohol and said surfactant are present in a weight ratio to each other of about 6 to 20, and said surfactant and said oil are present in a weight ratio to each other of about 0.2 to 5.
Claim 47
Dependent Claim
11 words
A beverage as in claim 41 which is a diet beverage.
Claim 48
Dependent Claim
12 words
A beverage as in claim 42 which is a low calorie beverage.
References Cited (Backward Citations)
US3917859A
Cited
US3939290A
Cited
US4146499A
Cited
US4379755A
Cited
US4465661A
Cited
US4423030A
Cited
US4675179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-05-29 | 1992-11-28 | 1993-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-05-29 | 1996-11-28 | 1997-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-05-29 | 2000-11-28 | 2001-05-30 | $7700.00 | Window Closed / Lapsed |