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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
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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)

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US3939290A Cited
US4146499A Cited
US4379755A Cited
US4465661A Cited
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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) 1992-05-29 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

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