Method for preparing conjugated diene polymer, composition comprising the same and tire comprising the composition
US-2015376321-A1 · Dec 31, 2015 · US
Vinyl modifier composition and processes for utilizing such composition
US9062017B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9062017-B2 |
| Application number | US-201013518711-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 22, 2010 |
| Priority date | Dec 22, 2009 |
| Publication date | Jun 23, 2015 |
| Grant date | Jun 23, 2015 |
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Abstract
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An oxolanyl compound-containing composition comprising specified amounts of the meso-isomer of one or more of the oxolanyl compounds of specified structure is provided. Also provided are methods for the use of such compositions as vinyl content modifiers in polymerization processes. Formula (I)
First claim
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We claim: 1. A polymerization process comprising the step of polymerizing at least one conjugated diene monomer in the presence of an organometallic initiator and a composition comprising at least one oxolanyl compound selected from the group consisting of: wherein R 1 and R 2 independently are hydrogen or an alkyl group and the total number of carbon atoms in —CR 1 R 2 — ran…
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Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US9062017B2 cover?
- An oxolanyl compound-containing composition comprising specified amounts of the meso-isomer of one or more of the oxolanyl compounds of specified structure is provided. Also provided are methods for the use of such compositions as vinyl content modifiers in polymerization processes. Formula (I)
- Who is the assignee on this patent?
- Hogan Terrence E, Kiridena Waruna, Bridgestone Corp
- 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 Jun 23 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).