Block copolymers and method for making same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Oct 16, 2007
Grant Date -
Jun 23, 2005
app pub date -
Feb 10, 2005
filing date -
Feb 7, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that is rich in mono alkenyl arene units. Also disclosed is a method for manufacture of the block copolymer.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
BANK OF AMERICA N A | 901 MAIN STREET 11TH FLOOR MAIL CODE TX1-492-11-23 DALLAS TX 75202 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Handlin, Jr Dale L | Houston, TX | 35 | 792 |
# of filed Patents : 35 Total Citations : 792 | |||
Willis, Carl L | Houston, TX | 102 | 1681 |
# of filed Patents : 102 Total Citations : 1681 |
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Patent Citation Ranking
- 23 Citation Count
- C08F Class
- 83.06 % this patent is cited more than
- 18 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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