Method for preparing conjugated diene polymer, composition comprising the same and tire comprising the composition
US-2015376321-A1 · Dec 31, 2015 · US
Functionalized polymer, rubber composition and pneumatic tire
US8993669B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8993669-B2 |
| Application number | US-201213432375-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 28, 2012 |
| Priority date | Mar 28, 2012 |
| Publication date | Mar 31, 2015 |
| Grant date | Mar 31, 2015 |
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Abstract
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The present invention is directed to a functionalized elastomer comprising the reaction product of a living anionic elastomeric polymer and a polymerization terminator of formula I wherein R 1 , R 2 , R 3 , R 4 , and R 5 are as defined. The invention is further directed to a rubber composition including the functionalized elastomer, and a pneumatic tire including the rubber composition.
First claim
Opening claim text (preview).
What is claimed is: 1. A functionalized elastomer comprising the reaction product of a living anionic elastomeric polymer and a polymerization terminator of formula I wherein: R 1 , R 2 and R 3 are independently C1 to C8 alkyl or C1 to C8 alkoxy with the proviso that at least two of R 1 , R 2 and R 3 are C1 to C8 alkoxy; R 4 is C1 to C8 alkanediyl, C6 to C8 arylen…
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Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
- C08F36/04Primary
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
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- What does patent US8993669B2 cover?
- The present invention is directed to a functionalized elastomer comprising the reaction product of a living anionic elastomeric polymer and a polymerization terminator of formula I wherein R 1 , R 2 , R 3 , R 4 , and R 5 are as defined. The invention is further directed to a rubber composition including the functionalized elastomer, and a pneumatic tire including the…
- Who is the assignee on this patent?
- Nebhani Leena, Rachita Michael Joseph, Goodyear Tire & Rubber
- What technology area does this patent fall under?
- Primary CPC classification C08F36/04. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Mar 31 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).