USH1332H
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal conductive material
Assignee: Celanese Polymers Holding Inc
•
Filing: 1992-01-27
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Granted: 1994-07-05
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Expires: 2012-01-27
Abstract
Abstract A three-dimensional arrangement of carbon fibers made from mesophase pitch are used to reinforce polymer resins to form a composite material. The composite material exhibits high thermal conductivity values on all axes through the composite.
Inventors
- 👤 Clifford K. Deakyne
- 👤 John G. Lavin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:09
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/20; H01B1/24; C; C08; C08K; C08K7/00; C08K7/02; C08K7/04; C08K7/06
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
46 words
A thermally conductive composite material comprising a resin reinforced with a three-dimensional arrangement of discontinuous mesophase pitch based carbon fibers said material having a thermal conductivity above about 10(BTU) (in)/(ft 2 ) (hr) (°F.) as measured on the axis of lowest thermal conductivity through the material.
Claim 2
Dependent Claim
46 words
A thermally conductive composite material comprising a resin reinforced with a three-dimensional arrangement of discontinuous mesophase pitch based carbon fibers said material having a thermal conductivity above about 10(BTU) (in)/(ft 2 ) (hr) (°F.) as measured on the axis of lowest thermal conductivity through the material.
Claim 3
Dependent Claim
16 words
The thermally conductive material as defined in claim 1 wherein said resin is polyethylene terephthalate polymer.
Claim 4
Dependent Claim
13 words
The thermally conductive material of claim 1 wherein said resin is fluorocarbon polymer.
Claim 5
Dependent Claim
9 words
A component made from the material of claim 1.
References Cited (Backward Citations)
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US4265968A
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US4632798A
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Cited
US4871491A
Cited
EP0168639B1
Cited
US4776994A
Cited
US4861653A
Cited
US5026748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-07-04 | 1998-01-03 | 1998-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-07-04 | 2002-01-03 | 2002-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-07-04 | 2006-01-03 | 2006-07-05 | $7700.00 | Window Closed / Lapsed |