Patent US4797273A successfully refreshed from Google Patents.
US4797273A
Expired / Lapsed
US
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Skin moisturizing microemulsions
Assignee: Elizabeth Arden Inc
•
Filing: 1986-11-07
•
Granted: 1989-01-10
•
Expires: 2006-11-07
Abstract
Abstract The present invention provides water-in-oil microemulsions suitable for cosmetic uses containing moisturizing agents or sunscreens. Also disclosed are methods of moisturizing dry skin using water-in-oil or oil-in-water microemulsions containing moisturizing agents. Finally, methods of potentiating the effects of macroemulsion moisturizing creams and lotions by the prior application of water-in-oil and oil-in-water microemulsions are also provided.
Inventors
- 👤 Edwards E. Linn
- 👤 Thomas O. York
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:21
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/84; A61K8/89; A61K8/02; A61K8/04; A61K8/06; A61K8/064; A61K8/068; A61K8/30; A61K8/58; A61K8/585; A61Q; A61Q19/00; A61Q19/007
Claims Analysis
Total Claims: 59
Claim 1
Independent Claim
689 words
A method of moisturizing human skin comprising administering to skin in need of moisturizing an effective amount of a stable water-in-oil or oil-in-water microemulsion non-irritating moisturizing composition which when applied to skin promotes the penetration of moisturizers into the skin and leaves little residue on the surface of the skin following its application selected from the group consisting of one of the following compositions comprised of (a) from about 1.0% by weight to about 36.0% by weight of a fatty alcohol, from about 23.5% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 28.0% by weight of a polysiloxane, and from about 2.0% by weight to about 36.0% by weight of a skin humectant; (b) from about 1.0% by weight to about 46.0% by weight of an animal oil, from about 14.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 35.0% by weight of a polysiloxane, and from about 2.0% by weight to about 18.0% by weight of a skin humectant; (c) from about 1.0% by weight to about 31.0% by weight of a triglyceride, from about 37.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 35.0% by weight of a polysiloxane, and from about 2.0% by weight to about 24.0% by weight of a skin humectant; (d) from about 1.0% by weight to about 41.0% by weight of a fatty diester, from about 23.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 31.0% by weight of a polysiloxane, and from about 2.0% by weight to about 42.0% by weight of a skin humectant; (e) from about 1.0% by weight to about 41.0% by weight of a branched chain fatty ester, from about 18.5% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 31.0% by weight of a polysiloxane, and from about 2.0% by weight to about 54.0% by weight of a skin humectant; (f) from about 1.0% by weight to about 6.0% by weight of a fatty acid, from about 60.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 5.0% by weight of a polysiloxane, and from about 2.0% by weight to about 26.0% by weight of a skin humectant; (g) from about 1.0% by weight to about 41.0% by weight of a tribasic acid ester, from about 23.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 31.0% by weight of a polysiloxane, and from about 3.0% by weight to about 33.0% by weight of a skin humectant; (h) from about 3.0% by weight to about 35.0% by weight of a vegetable oil, from about 20.0% by weight to about 80.0% by weight of a microemulsion forming surfactant, from about 10.0% by weight to about 70.0% by weight of a polysiloxane, and from about 5.0% by weight to about 50.0% by weight of a skin humectant; (i) from about 5.0% by weight to about 35.0% by weight of a long chain hydrocarbon, from about 20.0% by weight to about 80.0% by weight of a microemulsion forming surfactant, from about 10.0% by weight to about 70.0% by weight of a polysiloxane, and from abbut 5.0% by weight to about 50.0% by weight of a skin humectant; and (j) from about 5.0% by weight to about 35.0% by weight of a straight chain fatty ester, from about 20.0% by weight to about 80.0% by weight of a microemulsion forming surfactant, from about 10.0% by weight to about 70.0% by weight of a polysiloxane, and from about 5.0% by weight to about 50.0% by weight of a skin humectant and the composition having an average droplet size in the range of about 0.001 microns to about 0.2 microns in diameter, and wherein the composition is adapted to promote the penetration of the moisturizers into the skin.
Claim 2
Independent Claim
689 words
A method of moisturizing human skin comprising administering to skin in need of moisturizing an effective amount of a stable water-in-oil or oil-in-water microemulsion non-irritating moisturizing composition which when applied to skin promotes the penetration of moisturizers into the skin and leaves little residue on the surface of the skin following its application selected from the group consisting of one of the following compositions comprised of (a) from about 1.0% by weight to about 36.0% by weight of a fatty alcohol, from about 23.5% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 28.0% by weight of a polysiloxane, and from about 2.0% by weight to about 36.0% by weight of a skin humectant; (b) from about 1.0% by weight to about 46.0% by weight of an animal oil, from about 14.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 35.0% by weight of a polysiloxane, and from about 2.0% by weight to about 18.0% by weight of a skin humectant; (c) from about 1.0% by weight to about 31.0% by weight of a triglyceride, from about 37.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 35.0% by weight of a polysiloxane, and from about 2.0% by weight to about 24.0% by weight of a skin humectant; (d) from about 1.0% by weight to about 41.0% by weight of a fatty diester, from about 23.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 31.0% by weight of a polysiloxane, and from about 2.0% by weight to about 42.0% by weight of a skin humectant; (e) from about 1.0% by weight to about 41.0% by weight of a branched chain fatty ester, from about 18.5% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 31.0% by weight of a polysiloxane, and from about 2.0% by weight to about 54.0% by weight of a skin humectant; (f) from about 1.0% by weight to about 6.0% by weight of a fatty acid, from about 60.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 5.0% by weight of a polysiloxane, and from about 2.0% by weight to about 26.0% by weight of a skin humectant; (g) from about 1.0% by weight to about 41.0% by weight of a tribasic acid ester, from about 23.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 31.0% by weight of a polysiloxane, and from about 3.0% by weight to about 33.0% by weight of a skin humectant; (h) from about 3.0% by weight to about 35.0% by weight of a vegetable oil, from about 20.0% by weight to about 80.0% by weight of a microemulsion forming surfactant, from about 10.0% by weight to about 70.0% by weight of a polysiloxane, and from about 5.0% by weight to about 50.0% by weight of a skin humectant; (i) from about 5.0% by weight to about 35.0% by weight of a long chain hydrocarbon, from about 20.0% by weight to about 80.0% by weight of a microemulsion forming surfactant, from about 10.0% by weight to about 70.0% by weight of a polysiloxane, and from abbut 5.0% by weight to about 50.0% by weight of a skin humectant; and (j) from about 5.0% by weight to about 35.0% by weight of a straight chain fatty ester, from about 20.0% by weight to about 80.0% by weight of a microemulsion forming surfactant, from about 10.0% by weight to about 70.0% by weight of a polysiloxane, and from about 5.0% by weight to about 50.0% by weight of a skin humectant and the composition having an average droplet size in the range of about 0.001 microns to about 0.2 microns in diameter, and wherein the composition is adapted to promote the penetration of the moisturizers into the skin.
Claim 3
Dependent Claim
15 words
A method of claim 1 wherein the water-in-oil or oil-in-water microemulsion contains a fatty alcohol.
Claim 4
Dependent Claim
12 words
The method of claim 2 wherein the fatty alcohol is isocetyl alcohol.
Claim 5
Dependent Claim
15 words
A method of claim 1 wherein the water-in-oil or oil-in-water microemulsion contains an animal oil.
Claim 6
Dependent Claim
12 words
The method of claim 4 wherein the animal oil is lanolin oil.
Claim 7
Dependent Claim
14 words
A method of claim 1 wherein the water-in-oil or oil-in-water microemulsion contains a triglyceride.
Claim 8
Dependent Claim
11 words
The method of claim 6 wherein the triglyceride is caprylic/capric triglyceride.
Claim 9
Dependent Claim
15 words
A method of claim 1 wherein the water-in-oil or oil-in-water microemulsion contains a fatty diester.
Claim 10
Dependent Claim
12 words
The method of claim 8 wherein the fatty diester is diisopropyl sebacate.
Claim 11
Dependent Claim
12 words
The method of claim 8 wherein the fatty diester is diisopoopyl dimerate.
Claim 12
Dependent Claim
17 words
A method of claim 1 wherein the water-in-oil or oil-in-water microemulsion contains a branched chain fatty ester.
Claim 13
Dependent Claim
14 words
The method of claim 11 wherein the branched chain fatty ester is isopropyl isostearate.
Claim 14
Dependent Claim
14 words
The method of claim 11 wherein the branched chain fatty ester is isopropyl myristate.
Claim 15
Dependent Claim
84 words
The method of claim 13 wherein the microemulsion composition consists essentially of: ______________________________________
Ingredient Weight %
______________________________________
cyclomethicone 25.93
p-(2-ethylhexyl)- 3.12
dimethylamino-
benzoate
fragrance oil 0.25
squalane 12.08
jojoba oil 3.12
isopropyl myristate
3.12
myristyl alcohol 0.81
cetyl alcohol 0.49
isocetyl alcohol 2.17
2-octyldodecanol 2.17
deionized water 18.79
propylene glycol 1.25
butylene glycol 0.83
polysorbate 21 21.66
polysorbate 60 0.32
sodium laureth sulfate
2.17
(30% by weight in
water)
sodium lauryl sulfate
0.22
2-phenoxyethanol 1.00
quaternium-15 0.20
methyl paraben 0.15
propyl paraben 0.15
______________________________________
Claim 16
Dependent Claim
15 words
A method of claim 1 wherein the water-in-oil or oil-in-water microemulsion contains a fatty acid.
Claim 17
Dependent Claim
12 words
The method of claim 15 wherein the fatty acid is isostearic acid.
Claim 18
Dependent Claim
16 words
A method of claim 1 wherein the water-in-oil or oil-in-water microemulsion contains a tribasic acid ester.
Claim 19
Dependent Claim
13 words
The method of claim 17 wherein the tribasic acid ester is triisocetyl citrate.
Claim 20
Dependent Claim
15 words
A method of claim 1 wherein the water-in-oil or oil-in-water microemulsion contains a vegetable oil.
Claim 21
Dependent Claim
12 words
The method of claim 19 wherein the vegetable oil is jojoba oil.
Claim 22
Dependent Claim
16 words
A method of claim 1 wherein the water-in-oil or oil-in-water microemulsion contains a long chain hydrocarbon.
Claim 23
Dependent Claim
12 words
The method of claim 21 wherein the long chain hydrocarbon is squalane.
Claim 24
Dependent Claim
17 words
A method of claim 1 wherein the water-in-oil or oil-in-water microemulsion contains a straight chain fatty ester.
Claim 25
Dependent Claim
14 words
A method of claim 1 comprising the subsequent application of a macroemulsion moisturizing composition.
Claim 26
Dependent Claim
13 words
A method of claim 2 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 27
Dependent Claim
13 words
The method of claim 3 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 28
Dependent Claim
13 words
A method of claim 4 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 29
Dependent Claim
13 words
The method of claim 5 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 30
Dependent Claim
13 words
A method of claim 6 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 31
Dependent Claim
13 words
The method of claim 7 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 32
Dependent Claim
13 words
A method of claim 8 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 33
Dependent Claim
13 words
The method of claim 9 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 34
Dependent Claim
13 words
The method of claim 10 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 35
Dependent Claim
13 words
A method of claim 11 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 36
Dependent Claim
13 words
The method of claim 12 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 37
Dependent Claim
13 words
A method of claim 13 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 38
Dependent Claim
13 words
The method of claim 14 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 39
Dependent Claim
13 words
A method of claim 15 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 40
Dependent Claim
13 words
The method of claim 16 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 41
Dependent Claim
13 words
A method of claim 17 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 42
Dependent Claim
13 words
The method of claim 18 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 43
Dependent Claim
13 words
A method of claim 19 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 44
Dependent Claim
13 words
The method of claim 20 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 45
Dependent Claim
13 words
A method of claim 21 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 46
Dependent Claim
13 words
The method of claim 22 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 47
Dependent Claim
13 words
The method of claim 23 wherein a macroemulsion moisturizing composition is subsequently applied.
Claim 48
Dependent Claim
492 words
A stable water-in-oil microemulsion non-irritating moisturizing composition which when applied to skin promotes the penetration of moisturizers into the skin and leaves little residue on the surface of the skin following its application composition selected from the group consisting of one of the following compositions comprised of (a) from about 1.0% by weight to about 36.0% by weight of a fatty alcohol, from about 23.5% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 28.0% by weight of a polysiloxane, and from about 2.0% by weight to about 36.0% by weight of a skin humectant; (b) from about 1.0% by weight to about 46.0% by weight of an animal oil, from about 14.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 35.0% by weight of a polysiloxane, and from about 2.0% by weight to about 18.0% by weight of a skin humectant; (c) from about 1.0% by weight to about 31.0% by weight of a triglyceride, from about 37.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 35.0% by weight of a polysiloxane, and from about 2.0% by weight to about 24.0% by weight of a skin humectant; (d) from about 1.0% by weight to about 41.0% by weight of a fatty diester, from about 23.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 31.0% by weight of a polysiloxane, and from about 2.0% by weight to about 42.0% by weight of a skin humectant; (e) from about 5.0% by weight to about 35.0% by weight of a straight chain fatty ester, from about 20.0% by weight to about 80.0% by weight of a microemulsion forming surfactant, from about 10.0% by weight to about 70.0% by weight of a polysiloxane, and from about 5.0% by weight to about 50.0% by weight of a skin humectant; (f) from about 1.0% by weight to about 6.0% by weight of a fatty acid, from about 60.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 5.0% by weight of a polysiloxane, and from about 2.0% by weight to about 26.0% by weight of a skin humectant; and (g) from about 1.0% by weight to about 41.0% by weight of a tribasic acid ester, from about 23.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about by weight of a polysiloxane, and from about 3.0% by weight to about 33.0% by weight of a skin humectant and the composition having an average droplet size in the range of about 0.001 microns to about 0.2 microns in diameter, and wherein the composition is adapted to promote the penetration of the moisturizers into the skin.
Claim 49
Dependent Claim
492 words
A stable water-in-oil microemulsion non-irritating moisturizing composition which when applied to skin promotes the penetration of moisturizers into the skin and leaves little residue on the surface of the skin following its application composition selected from the group consisting of one of the following compositions comprised of (a) from about 1.0% by weight to about 36.0% by weight of a fatty alcohol, from about 23.5% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 28.0% by weight of a polysiloxane, and from about 2.0% by weight to about 36.0% by weight of a skin humectant; (b) from about 1.0% by weight to about 46.0% by weight of an animal oil, from about 14.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 35.0% by weight of a polysiloxane, and from about 2.0% by weight to about 18.0% by weight of a skin humectant; (c) from about 1.0% by weight to about 31.0% by weight of a triglyceride, from about 37.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 35.0% by weight of a polysiloxane, and from about 2.0% by weight to about 24.0% by weight of a skin humectant; (d) from about 1.0% by weight to about 41.0% by weight of a fatty diester, from about 23.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 31.0% by weight of a polysiloxane, and from about 2.0% by weight to about 42.0% by weight of a skin humectant; (e) from about 5.0% by weight to about 35.0% by weight of a straight chain fatty ester, from about 20.0% by weight to about 80.0% by weight of a microemulsion forming surfactant, from about 10.0% by weight to about 70.0% by weight of a polysiloxane, and from about 5.0% by weight to about 50.0% by weight of a skin humectant; (f) from about 1.0% by weight to about 6.0% by weight of a fatty acid, from about 60.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about 5.0% by weight of a polysiloxane, and from about 2.0% by weight to about 26.0% by weight of a skin humectant; and (g) from about 1.0% by weight to about 41.0% by weight of a tribasic acid ester, from about 23.0% by weight to about 90.0% by weight of a microemulsion forming surfactant, from about 1.0% by weight to about by weight of a polysiloxane, and from about 3.0% by weight to about 33.0% by weight of a skin humectant and the composition having an average droplet size in the range of about 0.001 microns to about 0.2 microns in diameter, and wherein the composition is adapted to promote the penetration of the moisturizers into the skin.
Claim 50
Dependent Claim
21 words
The compositions of claim 47 comprising as additional ingredients from about 0.1% by weight to about 1.0% by weight of preservatives.
Claim 51
Dependent Claim
48 words
The composition of claim 48 consisting essentially of the following ingredients: ______________________________________
Ingredient Weight %
______________________________________
cyclomethicone 24.22
isocetyl alcohol
31.98
myristyl alcohol
0.93
cetyl alcohol 0.56
deionized water 16.98
propylene glycol
1.41
polysorbate 21 23.15
polysorbate 60 0.37
propyl paraben 0.1
quaternium-15 0.2
methyl paraben 0.1
______________________________________
Claim 52
Dependent Claim
48 words
The composition of claim 48 consisting essentially of the following ingredients: ______________________________________
Ingredient Weight %
______________________________________
cyclomethicone 15.09
lanolin oil 19.92
myristyl alcohol
1.85
cetyl alcohol 1.12
deionized water 13.45
propylene glycol
1.13
polysorbate 21 46.30
polysorbate 60 0.74
propyl paraben 0.10
quaternium-15 0.20
methyl paraben 0.10
______________________________________
Claim 53
Dependent Claim
48 words
The composition of claim 48 consisting essentially of the following ingredients: ______________________________________
Ingredient Weight %
______________________________________
cyclomethicone 18.96
caprylic/capric 25.04
triglyceride
myristyl alcohol
1.67
cetyl alcohol 1.00
deionized water 9.76
propylene glycol
0.83
polysorbate 21 41.67
polysorbate 60 0.67
propyl paraben 0.10
quaternium-15 0.20
methyl paraben 0.10
______________________________________
Claim 54
Dependent Claim
48 words
The composition of claim 48 consisting essentially of the following ingredients: ______________________________________
Ingredient Weight %
______________________________________
cyclomethicone 21.12
diisopropyl sebacate
27.88
myristyl alcohol 1.11
cetyl alcohol 0.67
deionized water 19.02
propylene glycol 1.58
polysorbate 21 27.78
polysorbate 60 0.44
propyl paraben 0.10
quaternium-15 0.20
methyl paraben 0.10
______________________________________
Claim 55
Dependent Claim
48 words
The composition of claim 48 consisting essentially of the following ingredients: ______________________________________
Ingredient Weight %
______________________________________
cyclomethicone 17.76
isopropyl isostearate
23.44
myristyl alcohol 0.93
cetyl alcohol 0.56
deionized water 30.85
propylene glycol 2.54
polysorbate 21 23.15
polysorbate 60 0.37
propyl paraben 0.10
quaternium-15 0.20
methyl paraben 0.10
______________________________________
Claim 56
Dependent Claim
48 words
The composition of claim 48 consisting essentially of the following ingredients: ______________________________________
Ingredient Weight %
______________________________________
cyclomethicone 4.56
isostearic acid 6.02
myristyl alcohol
2.58
cetyl alcohol 1.56
deionized water 17.7
propylene glycol
1.47
polysorbate 21 64.68
polysorbate 60 1.03
propyl paraben 0.10
quaternium-15 0.20
methyl paraben 0.10
______________________________________
Claim 57
Dependent Claim
48 words
The composition of claim 48 consisting essentially of the following ingredients: ______________________________________
Ingredient Weight %
______________________________________
cyclomethicone 21.12
triisocetyl citrate
27.88
myristyl alcohol
1.11
cetyl alcohol 0.67
deionized water 19.02
propylene glycol
1.58
polysorbate 21 27.78
polysorbate 60 0.44
propyl paraben 0.10
quaternium-15 0.10
methyl paraben 0.20
______________________________________
Claim 58
Dependent Claim
48 words
The composition of claim 48 consisting essentially of the following ingredients: ______________________________________
Ingredient Weight %
______________________________________
cyclomethicone 21.03
diisopropyl dimerate
27.77
myristyl alcohol 0.93
cetyl alcohol 0.56
deionized water 23.82
propylene glycol 1.97
polysorbate 21 23.15
polysorbate 60 0.37
propyl paraben 0.10
quaternium-15 0.20
methyl paraben 0.10
______________________________________
Claim 59
Dependent Claim
83 words
The composition of claim 48 consisting essentially of the following ingredients: ______________________________________
Ingredient Weight %
______________________________________
cyclomethicone 25.93
p-(2-ethylhexyl)- 3.12
dimethylamino-
benzoate
fragrance oil 0.25
squalane 12.08
jojoba oil 3.12
isopropyl myristate
3.12
myristyl alcohol 0.81
cetyl alcohol 0.49
isocetyl alcohol 2.17
2-octyldodecanol 2.17
deionized water 18.79
propylene glycol 1.25
butylene glycol 0.83
polysorbate 21 21.66
polysorbate 60 0.32
sodium laureth sulfate
2.17
(30% by weight in
water)
sodium lauryl sulfate
0.22
2-phenoxyethanol 1.00
quaternium-15 0.20
methyl paraben 0.15
propyl paraben 0.15
______________________________________
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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) | 1992-01-10 | 1992-07-11 | 1993-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-01-10 | 1996-07-11 | 1997-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-01-10 | 2000-07-11 | 2001-01-10 | $7700.00 | Window Closed / Lapsed |