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US4490282A Expired / Lapsed US ⏱️ 0.0 years remaining

Conductive paint composition

Assignee: PHILLIP A HUNT CHEMICAL Corp A CORP OF DEL
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Filing: 1983-02-18
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Granted: 1984-12-25
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Expires: 2003-02-18
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Abstract

Abstract A conductive paint composition is disclosed comprising a hardenable fluid binder, metal particles selected from the group of nickel particles, aluminum particles and mixtures thereof, carbon particles, 2,4-pentanedione and a tintinate coupling agent. Nickel particles are the preferred metal particles. Solid particles comprise from about 20% to about 80% by weight of the composition. The weight ratio of metal particles to carbon particles is preferably from about 3:1 to about 15:1.

Inventors

  • 👤 Thomas A. Corboy
  • 👤 Joseph Philipson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 23:42
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/24; H; H01; H01B; H01B1/00; H01B1/20; H01B1/22; H01B1/24

Claims Analysis

Total Claims: 45
Claim 1
Independent Claim 84 words
A conductive paint composition comprising a hardenable fluid binder, a mixture of conductive particles in an amount of from about 20% to about 80% by weight of the conductive paint composition, said mixture comprising carbon particles and metal particles selected from a group of nickel particles, aluminum particles and mixtures thereof 1,4-pentanedione in an amount of the about 7% by weight of the conductive paint composition and a coupling agent in an amount up to about 2% by weight of the conductive paint composition.
Claim 2
Dependent Claim 84 words
A conductive paint composition comprising a hardenable fluid binder, a mixture of conductive particles in an amount of from about 20% to about 80% by weight of the conductive paint composition, said mixture comprising carbon particles and metal particles selected from a group of nickel particles, aluminum particles and mixtures thereof 1,4-pentanedione in an amount of the about 7% by weight of the conductive paint composition and a coupling agent in an amount up to about 2% by weight of the conductive paint composition.
Claim 3
Dependent Claim 16 words
A conductive paint composition as claimed in claim 1 wherein the metal particles are nickel particles.
Claim 4
Dependent Claim 27 words
A conductive paint composition as claimed in claim 1 wherein the coupling agent is selected from the group consisting of titanate coupling agents and silane coupling agents.
Claim 5
Dependent Claim 27 words
A conductive paint composition as claimed in claim 1 wherein the average size of the carbon particles is less than the average size of the metal particles.
Claim 6
Dependent Claim 23 words
A conductive paint composition as claimed in claim 4 wherein the mean size of the metal particles is at least about 5 micron.
Claim 7
Dependent Claim 23 words
A conductive paint composition as claimed in claim 4 wherein the mean size of the carbon particles is at least about 15 millimicrons.
Claim 8
Dependent Claim 18 words
A conductive paint composition comprising a hardenable fluid binder, nickel particles, carbon particles, 2,4-pentanedione and a coupling agent.
Claim 9
Dependent Claim 18 words
A conductive paint composition comprising a hardenable fluid binder, nickel particles, carbon particles, 2,4-pentanedione and a coupling agent.
Claim 10
Dependent Claim 33 words
A conductive paint composition as claimed in claim 7 wherein the amount of nickel in the composition is from about 15% by weight to about 70% by weight of the conductive paint composition.
Claim 11
Dependent Claim 34 words
A conductive paint composition as claimed in claim 7 wherein the amount of carbon present in the composition is from about 2% by weight to about 20% by weight of the conductive paint composition.
Claim 12
Dependent Claim 27 words
A conductive paint composition as claimed in claim 7 wherein the average size of the carbon particles is less than the average size of the nickel particles.
Claim 13
Dependent Claim 26 words
A conductive paint composition as claimed in claim 10 wherein the mean size of the nickel particles is from about 5 microns to about 50 microns.
Claim 14
Dependent Claim 26 words
A conductive paint composition as claimed in claim 10 wherein the mean size of the carbon particles is from about 15 millimicrons to about 45 millimicrons.
Claim 15
Dependent Claim 27 words
A conductive paint composition as claimed in claim 7 wherein the amount of 2,4-pentanedione is no more than about 7% by weight of the conductive paint composition.
Claim 16
Dependent Claim 27 words
A conductive paint composition as claimed in claim 7 wherein the amount of coupling agent is less than about 2% by weight of the conductive paint composition.
Claim 17
Dependent Claim 53 words
A conductive paint composition comprising a hardenable fluid binder, nickel particles, carbon particles, 2,4-pentanedione, and at least one coupling agent selected from the group consisting of titanate coupling agents, silane coupling agents and mixtures thereof, and wherein the weight ratio of nickel particles to carbon particles is from about 3:1 to about 15:1.
Claim 18
Dependent Claim 53 words
A conductive paint composition comprising a hardenable fluid binder, nickel particles, carbon particles, 2,4-pentanedione, and at least one coupling agent selected from the group consisting of titanate coupling agents, silane coupling agents and mixtures thereof, and wherein the weight ratio of nickel particles to carbon particles is from about 3:1 to about 15:1.
Claim 19
Dependent Claim 25 words
conductive paint composition as claimed in claim 15 wherein the nickel particles have a mean size of from about 5 microns to about 50 microns.
Claim 20
Dependent Claim 26 words
A conductive paint composition as claimed in claim 15 wherein the carbon particles have a mean size of from about 15 millimicrons to about 45 millimicrons.
Claim 21
Dependent Claim 30 words
A conductive paint composition as claimed in claim 15 wherein the amount of nickel is from about 20% by weight to about 70% by weight of the conductive paint composition.
Claim 22
Dependent Claim 30 words
A conductive paint composition as claimed in claim 15 wherein the amount of carbon is from about 2% by weight to about 20% by weight of the conductive paint composition.
Claim 23
Dependent Claim 100 words
A conductive paint composition comprising: a hardenable fluid binder; nickel particles in an amount of from about 15% by weight to about 70% by weight of the conductive paint composition; carbon particles in an amount of from about 2% by weight to about 20% by weight of the conductive paint composition; 2,4-pentanedione in an amount no more than about 7% by weight of the conductive paint composition; a coupling agent selected from the group consisting of titanate coupling agents, silane coupling agents and mixtures thereof in an amount no more than about 2% by weight of the conductive paint composition.
Claim 24
Dependent Claim 100 words
A conductive paint composition comprising: a hardenable fluid binder; nickel particles in an amount of from about 15% by weight to about 70% by weight of the conductive paint composition; carbon particles in an amount of from about 2% by weight to about 20% by weight of the conductive paint composition; 2,4-pentanedione in an amount no more than about 7% by weight of the conductive paint composition; a coupling agent selected from the group consisting of titanate coupling agents, silane coupling agents and mixtures thereof in an amount no more than about 2% by weight of the conductive paint composition.
Claim 25
Dependent Claim 31 words
A conductive paint composition as claimed in claim 20 wherein the amount of nickel particles is from about 30% by weight to about 60% by weight of the conductive paint composition.
Claim 26
Dependent Claim 31 words
A conductive paint composition as claimed in claim 20 wherein the amount of carbon particles is from about 3% by weight to about 15% by weight of the conductive paint composition.
Claim 27
Dependent Claim 26 words
A conductive paint composition as claimed in claim 20 wherein the weight ratio of nickel particles to carbon particles is from about 3:1 to about 15:1.
Claim 28
Dependent Claim 27 words
A conductive paint composition as claimed in claim 20 wherein the nickel particles generally have a mean size of from about 5 microns to about 50 microns.
Claim 29
Dependent Claim 27 words
A conductive paint composition as claimed in claim 20 wherein the carbon particles generally have a mean size of from about 15 millimicrons to about 45 millimicrons.
Claim 30
Dependent Claim 27 words
A conductive paint composition as claimed in claim 20 wherein the amount of 2,4-pentanedione is from 0.1% to about 2% by weight of the conductive paint composition.
Claim 31
Dependent Claim 115 words
A conductive paint composition comprising: a hardenable fluid binder; nickel particles having a mean size of from about 5 microns to about 50 microns in an amount of from about 15% by weight to about 70% by weight of the conductive paint composition; carbon particles having a mean size of from about 15 millimicrons to about 45 millimicrons in an amount of from about 2% by weight to about 20% by weight of the conductive paint composition; 2,4-pentanedione in an amount from about 0.1% to about 2% by weight of the conductive paint composition; and at least one coupling agent in an amount of less than about 2% by weight of the conductive paint composition.
Claim 32
Dependent Claim 115 words
A conductive paint composition comprising: a hardenable fluid binder; nickel particles having a mean size of from about 5 microns to about 50 microns in an amount of from about 15% by weight to about 70% by weight of the conductive paint composition; carbon particles having a mean size of from about 15 millimicrons to about 45 millimicrons in an amount of from about 2% by weight to about 20% by weight of the conductive paint composition; 2,4-pentanedione in an amount from about 0.1% to about 2% by weight of the conductive paint composition; and at least one coupling agent in an amount of less than about 2% by weight of the conductive paint composition.
Claim 33
Dependent Claim 26 words
A conductive paint composition as claimed in claim 27 wherein the weight ratio of nickel particles to carbon particles is from about 3:1 to about 15:1.
Claim 34
Dependent Claim 31 words
A conductive paint composition as claimed in claim 27 wherein the amount of nickel particles is from about 30% by weight to about 60% by weight of the conductive paint composition.
Claim 35
Dependent Claim 31 words
A conductive paint composition as claimed in claim 27 wherein the amount of carbon particles is from about 3% by weight to about 15% by weight of the conductive paint composition.
Claim 36
Dependent Claim 26 words
A conductive paint composition as claimed in claim 27 wherein the nickel particles have a mean size of from about 10 microns to about 30 microns.
Claim 37
Dependent Claim 26 words
A conductive paint composition as claimed in claim 27 wherein the carbon particles have a mean size of from about 25 millimicrons to about 35 millimicrons.
Claim 38
Dependent Claim 96 words
A conductive coating comprising: a solid non-conductive matrix; metal particles selected from the group consisting of nickel particles, aluminum particles and mixtures thereof in an amount of from about 15% by weight to about 70% by weight of the conductive coating; carbon particles in an amount of from about 2% by weight to about 20% by weight of the conductive coating; 2,4-pentanedione in an amount of up to about 7% by weight of the conductive coating; and at least one coupling agent in an amount of less than about 2% by weight of the conductive coating.
Claim 39
Dependent Claim 96 words
A conductive coating comprising: a solid non-conductive matrix; metal particles selected from the group consisting of nickel particles, aluminum particles and mixtures thereof in an amount of from about 15% by weight to about 70% by weight of the conductive coating; carbon particles in an amount of from about 2% by weight to about 20% by weight of the conductive coating; 2,4-pentanedione in an amount of up to about 7% by weight of the conductive coating; and at least one coupling agent in an amount of less than about 2% by weight of the conductive coating.
Claim 40
Dependent Claim 15 words
A conductive coating as claimed in claim 33 wherein the metal particles are nickel particles.
Claim 41
Dependent Claim 29 words
A conductive coating as claimed in claim 33 wherein the amount of nickel particles is from about 30% by weight to about 60% by weight of the conductive coating.
Claim 42
Dependent Claim 29 words
A conductive coating as claimed in claim 33 wherein the amount of carbon particles is from about 3% by weight to about 15% by weight of the conductive coating.
Claim 43
Dependent Claim 25 words
A conductive coating as claimed in claim 33 wherein the nickel particles have a mean size of from about 5 microns to about 50 microns.
Claim 44
Dependent Claim 25 words
A conductive coating as claimed in claim 33 wherein the carbon particles have a mean size of from about 15 millimicrons to about 45 millimicrons.
Claim 45
Dependent Claim 25 words
A conductive coating as claimed in claim 34 wherein the weight ratio of nickel particles to carbon particles is from about 3:1 to about 15:1.

References Cited (Backward Citations)

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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) 1987-12-25 1988-06-25 1988-12-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-12-25 1992-06-25 1992-12-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-12-25 1996-06-25 1996-12-25 $7700.00 Window Closed / Lapsed

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