US Patent No: 5,028,490
Number of patents in Portfolio can not be more than 2000
Metal/polymer composites
Stats
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Jul 2, 1991
Issued date -
Nov 14, 1988
filing date -
07/270,532
serial no -
Expired
status
Importance
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Abstract
The present invention provides a discontinuous metal/polymer composite, with a metal layer, formed from a plurality of fine metal strands, which may be used, for example, in static or EMI shielding. The metal layer comprises a plurality of fine metal strands provided on the substrate, the metal strands individually having a cross-section with an area of about 100 to 100,000 .mu.m.sup.2 and the cross-section of the individual metal strands having a flat portion and an arcuate portion. The metal and polymer may be selected so that the composite is capable of being thermoformed without loss of electrical conductivity or transparency.
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First Claim
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International Classification(s)
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,211,822 Highly reflective multilayer metal/polymer composites | 32 | 1977 | |
| 4,510,208 Duplex metal alloy/polymer compositions | 8 | 1983 | |
| 4,612,216 Method for making duplex metal alloy/polymer composites | 15 | 1984 | |
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| 4,533,685 Polymer-metal blend | 40 | 1983 | |
| 4,639,396 Thermoplastics-metal fiber threads | 11 | 1984 | |
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| 4,678,699 Stampable polymeric composite containing an EMI/RFI shielding layer | 75 | 1985 | |
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| 4,435,465 Composite material for shielding against electromagnetic radiation | 32 | 1981 | |
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| 4,631,214 Transparent electromagnetic wave shielding material | 35 | 1985 | |
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| 4,472,471 Chair mat | 13 | 1982 | |
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| 4,275,116 Metallized hot stamping foil for decorating three-dimensional objects | 11 | 1979 | |
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| 4,880,679 EMI Shielded plastic composites | 11 | 1988 | |
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| 4,863,789 Electromagnetic wave shielding laminate | 23 | 1987 | |
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| 4,755,422 Multilayered electronics protection system | 24 | 1986 | |