Bituminous composition
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United States of America Patent
Stats
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Jan 21, 2003
Grant Date -
N/A
app pub date -
Aug 14, 1997
filing date -
Aug 16, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a bituminous composition which comprises a bitumen component, less than 15% by weight of a block copolymer composition, based on total weight of block copolymer composition and bitumen component, and more than 40% by weight of a filler, based on total weight of block copolymer, bitumen component and filler, which block copolymer composition comprises at least one block of a conjugated diene and at least two blocks of a monovinylaromatic hydrocarbon, wherein the block copolymer composition has a vinyl content of at least 25% by weight based on the total diene content and optionally a diblock content of 25 wt % or less, and any diblock copolymer present has an apparent molecular weight which is in the range of from 60,000 to 170,000. The bituminous composition can be used in sound or vibration damping applications and/or in a backing layer for comprising a floor covering.
First Claim
Other Claims data not available
Family
| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| TW | B | TW373000 | Aug 14, 1997 |
| WO | A1 | WO1998007788 | Aug 15, 1997 |
| CA | A1 | CA2264119 | Aug 15, 1997 |
| JP | A | JP2000516288 | Aug 15, 1997 |
| CN | C | CN1129650 | Aug 15, 1997 |
| EP | B1 | EP0918824 | Aug 15, 1997 |
| AU | B2 | AU720192 | Aug 15, 1997 |
International Classification(s)
- 1997 Application Filing Year
- C09D Class
- 421 Applications Filed
- 238 Patents Issued To-Date
- 56.54 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 11 Citation Count
- C09D Class
- 63.55 % this patent is cited more than
- 22 Age