Vinyl modifier composition and processes for utilizing such composition

US9309330B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9309330-B2
Application numberUS-201514682594-A
CountryUS
Kind codeB2
Filing dateApr 9, 2015
Priority dateDec 22, 2009
Publication dateApr 12, 2016
Grant dateApr 12, 2016

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Abstract

Official abstract text for this publication.

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.

First claim

Opening claim text (preview).

We claim: 1. A polymerization process comprising the step of polymerizing at least one conjugated diene monomer in the presence of an anionic 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 — rang…

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Classifications

  • Chemistry & Metallurgy · mapped topic

  • Chemistry & Metallurgy · mapped topic

  • Chemistry & Metallurgy · mapped topic

  • Chemistry & Metallurgy · mapped topic

  • Operations & Transport · mapped topic

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What does patent US9309330B2 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.
Who is the assignee on this patent?
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 Apr 12 2016 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).