Directly polymerized cashew nut shell liquid (CNSL) and bitumen compositions comprising the same
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United States of America Patent
Stats
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Jul 21, 2020
Grant Date -
Oct 31, 2019
app pub date -
Jul 10, 2019
filing date -
Nov 26, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to a method for the preparation of a polymerized CNSL composition, the method comprising subjecting a raw or technical CNSL to a heat treatment under reflux to obtain the polymerized CNSL composition, wherein the heat treatment is performed until the polymerized CNSL composition has a molecular weight Mw of about 2800 to about 3700, such as from about 2900 to about 3600, or from about 3000 to about 3500 g/mol. The invention further relates to a polymerized CNSL composition, use of a polymerized CNSL composition according to the invention in a bitumen composition, a modified bitumen composition according to the invention and an asphalt composition comprising a modified bitumen composition according to the present invention.
First Claim
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International Classification(s)
- 2019 Application Filing Year
- C08G Class
- 2913 Applications Filed
- 1730 Patents Issued To-Date
- 59.39 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- C08G Class
- 0 % this patent is cited more than
- 5 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jan 21, 2028 |
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