Patent US1976019A successfully refreshed from Google Patents.
US5483697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multilayer protective coverings with a sealing solution
Assignee: The University of Texas System
•
Filing: 1991-11-27
•
Granted: 1996-01-16
•
Expires: 2011-11-27
Abstract
Abstract Protective covering such as a surgical glove, finger cot or condom having two layers with a middle layer of sealing solution disposed between the two layers. The solution operates to fill punctures or tears in the two layers. The middle layer may include an evaporation inhibitor to inhibit evaporation of antimicrobial or sealing solutions in the middle layer.
Inventors
- 👤 Ingbert E. Fuchs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:21
CPC Classifications
A; A41; A41D; A41D19/00; A41D19/0055; A41D19/0058; A41D19/0082; A41D19/0096; A61; A61B; A61B42/00; A61B42/10; A61F; A61F6/00; A61F6/02; A61F6/04; A61F2006/043
Claims Analysis
Total Claims: 91
Claim 1
Independent Claim
43 words
A glove comprising: an inner layer; an outer layer; an impermeable seal between the inner and outer layers; and a middle layer comprising a sealing solution disposed between the inner and outer layers operable to seal holes in the inner or outer layers.
Claim 2
Dependent Claim
43 words
A glove comprising: an inner layer; an outer layer; an impermeable seal between the inner and outer layers; and a middle layer comprising a sealing solution disposed between the inner and outer layers operable to seal holes in the inner or outer layers.
Claim 3
Dependent Claim
12 words
The glove of claim 1 wherein the sealing solution comprises a hydrogel.
Claim 4
Dependent Claim
20 words
The glove of claim 2 wherein the hydrogel is a natural hydrogel, a synthetic natural-based hydrogel, or a synthetic hydrogel.
Claim 5
Dependent Claim
23 words
The glove of claim 2 wherein the hydrogel is corn starch, potato starch, tapioca, sorghum starch, wheat starch, sago starch, or amylomaize starch.
Claim 6
Dependent Claim
15 words
The glove of claim 2 wherein the hydrogel is dextran, carboxymethylcellulose, methylcellulose, hydroxypropylmethylcellulose, or hydroxypropylcellulose.
Claim 7
Dependent Claim
21 words
The glove of claim 2 wherein the hydrogel is polyethylene glycol, polyethylene oxide, polyvinylpyrrolidone, hydroxyethyl methacrylate, polyhydroxyalkyl methacrylate or polymethacrylamide derivatives.
Claim 8
Dependent Claim
12 words
The glove of claim 1 wherein the sealing solution comprises corn starch.
Claim 9
Dependent Claim
11 words
The glove of claim 7 wherein the sealing solution comprises sucrose.
Claim 10
Dependent Claim
11 words
The glove of claim 7 wherein the sealing solution comprises nonoxynol-9.
Claim 11
Dependent Claim
16 words
The glove of claim 1 wherein the sealing solution comprises about 2-12 weight percent corn starch.
Claim 12
Dependent Claim
16 words
The glove of claim 1 wherein the sealing solution comprises about 4-10 weight percent corn starch.
Claim 13
Dependent Claim
16 words
The glove of claim 1 wherein the sealing solution comprises about 5-8 weight percent corn starch.
Claim 14
Dependent Claim
12 words
The glove of claim 1 wherein the sealing solution comprises potato starch.
Claim 15
Dependent Claim
11 words
The glove of claim 1 wherein the sealing solution comprises tapioca.
Claim 16
Dependent Claim
12 words
The glove of claim 1 wherein the sealing solution comprises an emulsifier.
Claim 17
Dependent Claim
12 words
The glove of claim 1 wherein the sealing solution comprises a surfactant.
Claim 18
Dependent Claim
12 words
The glove of claim 1 wherein the sealing solution comprises a dye.
Claim 19
Dependent Claim
13 words
The glove of claim 1 wherein the sealing solution comprises an antimicrobial solution.
Claim 20
Dependent Claim
11 words
The glove of claim 1 wherein the sealing solution comprises nonoxynol-9.
Claim 21
Dependent Claim
22 words
The glove of claim 1 wherein the sealing solution is operable to seal holes of up to about 0.15 mm average diameter.
Claim 22
Dependent Claim
22 words
The glove of claim 1 wherein the sealing solution is operable to seal holes of up to about 0.10 mm average diameter.
Claim 23
Dependent Claim
22 words
The glove of claim 1 wherein the sealing solution is operable to seal holes of up to about 0.07 mm average diameter.
Claim 24
Dependent Claim
19 words
The glove of claim 1 wherein the middle layer has an average thickness of less than about 0.12 millimeter.
Claim 25
Dependent Claim
20 words
The glove of claim 1 wherein the middle layer has an average thickness of between about 0.01 and 0.09 millimeter.
Claim 26
Dependent Claim
20 words
The glove of claim 1 wherein the middle layer has an average thickness of between about 0.025 and 0.05 millimeter.
Claim 27
Dependent Claim
17 words
The glove of claim 1 wherein the thickness of the glove is about 0.1 to 0.25 millimeter.
Claim 28
Dependent Claim
22 words
The glove of claim 1 wherein the first and second layers each have a thickness of between about 0.2 and 0.5 millimeters.
Claim 29
Dependent Claim
16 words
The glove of claim 2 wherein the hydrogel is operable to inhibit evaporation of the solution.
Claim 30
Dependent Claim
30 words
The glove of claim 1 wherein the glove maintains at least about 60 percent of its sealing solution when stored at 18°-21° C. and 50% relative humidity for 90 days.
Claim 31
Dependent Claim
28 words
The glove of claim 1 wherein the glove maintains about 10-60 percent of its sealing solution when stored at 18°-21° C. and 50% relative humidity for 90 days.
Claim 32
Dependent Claim
30 words
The glove of claim 1 wherein the glove maintains at least about 10 percent of its sealing solution when stored at 18°-21° C. and 50% relative humidity for 90 days.
Claim 33
Dependent Claim
30 words
The glove of claim 1 wherein the glove maintains at least about 75 percent of its sealing solution when stored at 18°-21° C. and 50% relative humidity for 21 days.
Claim 34
Dependent Claim
28 words
The glove of claim 1 wherein the glove maintains about 10-75 percent of its sealing solution when stored at 18°-21° C. and 50% relative humidity for 21 days.
Claim 35
Dependent Claim
30 words
The glove of claim 1 wherein the glove maintains at least about 10 percent of its sealing solution when stored at 18°-21° C. and 50% relative humidity for 21 days.
Claim 36
Dependent Claim
31 words
The glove of claim 1 which provides a sense of feel during use at least as great as the sense of feel of a single layer 0.200 mm thick latex glove.
Claim 37
Dependent Claim
47 words
The glove of claim 1 which provides a sense of feel during use at least as great as the sense of feel of a single layer 0.200 mm thick latex glove, but less than the sense of feel of a single layer 0.100 mm thick latex glove.
Claim 38
Dependent Claim
28 words
The glove of claim 1 wherein the sealing solution is operable to leak during use through holes in the inner layer and adhere the glove to a wearer.
Claim 39
Dependent Claim
46 words
A glove comprising: an inner layer; an outer layer; an impermeable seal between the inner and outer layers; and a middle layer comprising an antimicrobial solution disposed between the inner and outer layers, said solution comprising an evaporation inhibitor operable to inhibit evaporation of the solution.
Claim 40
Dependent Claim
46 words
A glove comprising: an inner layer; an outer layer; an impermeable seal between the inner and outer layers; and a middle layer comprising an antimicrobial solution disposed between the inner and outer layers, said solution comprising an evaporation inhibitor operable to inhibit evaporation of the solution.
Claim 41
Dependent Claim
12 words
The glove of claim 38 wherein the antimicrobial solution comprises a hydrogel.
Claim 42
Dependent Claim
20 words
The glove of claim 39 wherein the hydrogel is a natural hydrogel, a synthetic natural-based hydrogel, or a synthetic hydrogel.
Claim 43
Dependent Claim
12 words
The glove of claim 38 wherein the antimicrobial solution comprises corn starch.
Claim 44
Dependent Claim
30 words
The glove of claim 38 wherein the glove maintains at least about 60 percent of its antimicrobial solution when stored at 18°-21° C. and 50% relative humidity for 90 days.
Claim 45
Dependent Claim
28 words
The glove of claim 38 wherein the glove maintains about 10-60 percent of its antimicrobial solution when stored at 18°-21° C. and 50% relative humidity for 90 days.
Claim 46
Dependent Claim
30 words
The glove of claim 38 wherein the glove maintains at least about 10 percent of its antimicrobial solution when stored at 18°-21° C. and 50% relative humidity for 90 days.
Claim 47
Dependent Claim
30 words
The glove of claim 38 wherein the glove maintains at least about 75 percent of its antimicrobial solution when stored at 18°-21° C. and 50% relative humidity for 21 days.
Claim 48
Dependent Claim
28 words
The glove of claim 38 wherein the glove maintains about 10-75 percent of its antimicrobial solution when stored at 18°-21° C. and 50% relative humidity for 21 days.
Claim 49
Dependent Claim
30 words
The glove of claim 38 wherein the glove maintains at least about 10 percent of its antimicrobial solution when stored at 18°-21° C. and 50% relative humidity for 21 days.
Claim 50
Dependent Claim
31 words
The glove of claim 38 which provides a sense of feel during use at least as great as the sense of feel of a single layer 0.200 mm thick latex glove.
Claim 51
Dependent Claim
47 words
The glove of claim 38 which provides a sense of feel during use at least as great as the sense of feel of a single layer 0.200 mm thick latex glove, but less than the sense of feel of a single layer 0.100 mm thick latex glove.
Claim 52
Dependent Claim
29 words
The glove of claim 38 wherein the antimicrobial solution is operable to leak during use through the gaps in the inner layer and adhere the glove to a wearer.
Claim 53
Dependent Claim
43 words
A condom comprising: an inner layer; an outer layer; an impermeable seal between the inner and outer layers; and a middle layer comprising a sealing solution disposed between the inner and outer layers operable to seal holes in the inner or outer layers.
Claim 54
Dependent Claim
43 words
A condom comprising: an inner layer; an outer layer; an impermeable seal between the inner and outer layers; and a middle layer comprising a sealing solution disposed between the inner and outer layers operable to seal holes in the inner or outer layers.
Claim 55
Dependent Claim
22 words
The condom of claim 51 wherein the sealing solution is operable to seal holes of up to about 0.15 mm average diameter.
Claim 56
Dependent Claim
22 words
The condom of claim 51 wherein the sealing solution is operable to seal holes of up to about 0.10 mm average diameter.
Claim 57
Dependent Claim
22 words
The condom of claim 51 wherein the sealing solution is operable to seal holes of up to about 0.07 mm average diameter.
Claim 58
Dependent Claim
13 words
The condom of claim 51 wherein the sealing solution comprises an antimicrobial solution.
Claim 59
Dependent Claim
12 words
The condom of claim 51 wherein the sealing solution comprises a hydrogel.
Claim 60
Dependent Claim
20 words
The condom of claim 56 wherein the hydrogel is a natural hydrogel, a synthetic natural-based hydrogel, or a synthetic hydrogel.
Claim 61
Dependent Claim
12 words
The condom of claim 51 wherein the sealing solution comprises corn starch.
Claim 62
Dependent Claim
16 words
The condom of claim 56 wherein the hydrogel is operable to inhibit evaporation of the solution.
Claim 63
Dependent Claim
28 words
The condom of claim 51 which maintains at least about 60 percent of its sealing solution when stored at 18°-21° C. and 50% relative humidity for 90 days.
Claim 64
Dependent Claim
26 words
The condom of claim 51 which maintains about 10-60 percent of its sealing solution when stored at 18°-21° C. and 50% relative humidity for 90 days.
Claim 65
Dependent Claim
28 words
The condom of claim 51 which maintains at least about 10 percent of its sealing solution when stored at 18°-21° C. and 50% relative humidity for 90 days.
Claim 66
Dependent Claim
28 words
The condom of claim 51 which maintains at least about 75 percent of its sealing solution when stored at 18°-21° C. and 50% relative humidity for 21 days.
Claim 67
Dependent Claim
26 words
The condom of claim 51 which maintains about 10-75 percent of its sealing solution when stored at 18°-21° C. and 50% relative humidity for 21 days.
Claim 68
Dependent Claim
28 words
The condom of claim 51 which maintains at least about 10 percent of its sealing solution when stored at 18°-21° C. and 50% relative humidity for 21 days.
Claim 69
Dependent Claim
31 words
The condom of claim 51 which provides a sense of feel during use at least as great as the sense of feel of a single layer 0.200 mm thick latex condom.
Claim 70
Dependent Claim
47 words
The condom of claim 51 which provides a sense of feel during use at least as great as the sense of feel of a single layer 0.200 mm thick latex condom, but less than the sense of feel of a single layer 0.100 mm thick latex condom.
Claim 71
Dependent Claim
29 words
The condom of claim 51 wherein the sealing solution is operable to leak during use through the gaps in the inner layer and adhere the condom to a wearer.
Claim 72
Dependent Claim
12 words
The condom of claim 51 wherein the sealing solution comprises a skin-adherent.
Claim 73
Dependent Claim
49 words
A condom comprising: an inner layer; an outer layer; an impermeable seal between the inner and outer layers and a middle layer comprising an antimicrobial solution disposed between the inner and outer layers, said solution comprising an evaporation inhibitor operable to inhibit evaporation of the antimicrobial solution during use.
Claim 74
Dependent Claim
49 words
A condom comprising: an inner layer; an outer layer; an impermeable seal between the inner and outer layers and a middle layer comprising an antimicrobial solution disposed between the inner and outer layers, said solution comprising an evaporation inhibitor operable to inhibit evaporation of the antimicrobial solution during use.
Claim 75
Dependent Claim
12 words
The condom of claim 70 wherein the antimicrobial solution comprises a hydrogel.
Claim 76
Dependent Claim
20 words
The condom of claim 71 wherein the hydrogel is a natural hydrogel, a synthetic natural-based hydrogel, or a synthetic hydrogel.
Claim 77
Dependent Claim
12 words
The condom of claim 70 wherein the antimicrobial solution comprises corn starch.
Claim 78
Dependent Claim
20 words
The condom of claim 70 wherein the antimicrobial solution is operable to adhere the first layer to the second layer.
Claim 79
Dependent Claim
28 words
The condom of claim 70 which maintains at least about 60 percent of its antimicrobial solution when stored at 18°-21° C. and 50% relative humidity for 90 days.
Claim 80
Dependent Claim
26 words
The condom of claim 70 which maintains about 10-60 percent of its antimicrobial solution when stored at 18°-21° C. and 50% relative humidity for 90 days.
Claim 81
Dependent Claim
28 words
The condom of claim 70 which maintains at least about 10 percent of its antimicrobial solution when stored at 18°-21° C. and 50% relative humidity for 90 days.
Claim 82
Dependent Claim
28 words
The condom of claim 70 which maintains at least about 75 percent of its antimicrobial solution when stored at 18°-21° C. and 50% relative humidity for 21 days.
Claim 83
Dependent Claim
26 words
The condom of claim 70 which maintains about 10-75 percent of its antimicrobial solution when stored at 18°-21° C. and 50% relative humidity for 21 days.
Claim 84
Dependent Claim
28 words
The condom of claim 70 which maintains at least about 10 percent of its antimicrobial solution when stored at 18°-21° C. and 50% relative humidity for 21 days.
Claim 85
Dependent Claim
31 words
The condom of claim 70 which provides a sense of feel during use at least as great as the sense of feel of a single layer 0.200 mm thick latex condom.
Claim 86
Dependent Claim
47 words
The condom of claim 70 which provides a sense of feel during use at least as great as the sense of feel of a single layer 0.200 mm thick latex condom, but less than the sense of feel of a single layer 0.100 mm thick latex condom.
Claim 87
Dependent Claim
29 words
The condom of claim 70 wherein the antimicrobial solution is operable to leak during use through the gaps in the inner layer and adhere the condom to a wearer.
Claim 88
Dependent Claim
43 words
A finger cot comprising: an inner layer; an outer layer; an impermeable seal between the inner and outer layers; and middle layer comprising a sealing solution disposed between the inner and outer layers operable to seal holes in the inner or outer layers.
Claim 89
Dependent Claim
43 words
A finger cot comprising: an inner layer; an outer layer; an impermeable seal between the inner and outer layers; and middle layer comprising a sealing solution disposed between the inner and outer layers operable to seal holes in the inner or outer layers.
Claim 90
Dependent Claim
49 words
A finger cot comprising: an inner layer; an outer layer; an impermeable seal between the inner and outer layers; and a middle layer of antimicrobial solution disposed between the inner and outer layers, said solution comprising an evaporation inhibitor operable to inhibit evaporation of the antimicrobial solution during use.
Claim 91
Dependent Claim
49 words
A finger cot comprising: an inner layer; an outer layer; an impermeable seal between the inner and outer layers; and a middle layer of antimicrobial solution disposed between the inner and outer layers, said solution comprising an evaporation inhibitor operable to inhibit evaporation of the antimicrobial solution during use.
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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) | 1999-01-15 | 1999-07-17 | 2000-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-01-15 | 2003-07-17 | 2004-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-01-15 | 2007-07-17 | 2008-01-16 | $7700.00 | Window Closed / Lapsed |