US3948811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically conductive sheet composition
Assignee: Acheson Industries Inc
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Filing: 1973-05-29
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Granted: 1976-04-06
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Expires: 1993-05-29
Abstract
Abstract An electrically conductive product generally comprised of a substrate or web coated with or impregnated with an electrically conductive thermally stable material which includes a special polymeric binder and conductive particles to produce the final conductive sheet.
Inventors
- 👤 Jerome Francis Clary
- 👤 Robert Emerson Wiley
- 👤 Richard Earl Bowns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:34
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/84; B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/38; B60S1/3803; B60S1/3805; C; C08; C08K; C08K3/00; C08K3/02; C08K3/08; H01; H01B; H01B1/00; H01B1/20; H01B1/22; H01B1/24; B60S2001/3827; B60S2001/3829; B60S2001/3836; H05B2203/00; H05B2203/031; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/31504; Y10T428/3154
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
85 words
A composition, for use as an electrically conductive material, comprised of in weight percent, about 5 to about 90% of a heat stable elastomeric polymer selected from at least one of the group consisting of fluoroelastomer polymers and modified fluoroelastomer polymers, about 10 to about 95% of conductive pigment, and wherein said conductive pigment is substantially a finely particulated material selected from at least one material of the group consisting of, silver, copper, noble metals and alloys thereof, said composition being substantially free of polytetrafluoroethylene.
Claim 2
Dependent Claim
85 words
A composition, for use as an electrically conductive material, comprised of in weight percent, about 5 to about 90% of a heat stable elastomeric polymer selected from at least one of the group consisting of fluoroelastomer polymers and modified fluoroelastomer polymers, about 10 to about 95% of conductive pigment, and wherein said conductive pigment is substantially a finely particulated material selected from at least one material of the group consisting of, silver, copper, noble metals and alloys thereof, said composition being substantially free of polytetrafluoroethylene.
Claim 3
Dependent Claim
28 words
The invention of claim 1 wherein, said elastomeric polymer is present from about 5 to about 40%, said conductive pigment is present from about 60 to about 95%.
Claim 4
Dependent Claim
71 words
A composition suitable for use as an electrically conductive material, which can have electrical contacts soldered thereto, comprised of in weight percent, about 5 to about 90% of a heat stable fluoroelastomer polymer and about 10 to about 95% of conductive pigment, and wherein said conductive pigment is substantially a finely particulated material selected from at least one material of the group consisting of, silver, copper, noble metals and alloys thereof.
Claim 5
Dependent Claim
71 words
A composition suitable for use as an electrically conductive material, which can have electrical contacts soldered thereto, comprised of in weight percent, about 5 to about 90% of a heat stable fluoroelastomer polymer and about 10 to about 95% of conductive pigment, and wherein said conductive pigment is substantially a finely particulated material selected from at least one material of the group consisting of, silver, copper, noble metals and alloys thereof.
Claim 6
Dependent Claim
33 words
The invention of claim 1 wherein, said composition is generally dispersed in a fluid carrier at a total solids content in the carrier of about 1 to about 80% by weight total solids.
Claim 7
Dependent Claim
33 words
The invention of claim 3 wherein, said composition is generally dispersed in a fluid carrier at a total solids content in the carrier of about 1 to about 80% by weight total solids.
Claim 8
Dependent Claim
13 words
The invention of claim 4 wherein, said conductive pigment is substantially of silver.
Claim 9
Dependent Claim
13 words
The invention of claim 5 wherein, said conductive pigment is substantially of silver.
Claim 10
Dependent Claim
18 words
The invention of claim 4 wherein, said fluoroelastomer is at least in part a vinylidene fluoride/hexafluoropropylene copolymer material.
Claim 11
Dependent Claim
18 words
The invention of claim 6 wherein, said fluoroelastomer is at least in part a vinylidene fluoride/hexafluoropropylene copolymer material.
Claim 12
Dependent Claim
18 words
The invention of claim 7 wherein, said fluoroelastomer is at least in part a vinylidene fluoride/hexafluoropropylene copolymer material.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-04-06 | 1979-10-06 | 1980-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-06 | 1983-10-06 | 1984-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-06 | 1987-10-06 | 1988-04-06 | $7700.00 | Window Closed / Lapsed |