Functionalized isobutylene-isoprene copolymer composition

US9102845B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9102845-B2
Application numberUS-201314400827-A
CountryUS
Kind codeB2
Filing dateJun 17, 2013
Priority dateJul 19, 2012
Publication dateAug 11, 2015
Grant dateAug 11, 2015

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Abstract

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A siloxane-functional isobutylene copolymer and use thereof is described. The copolymer is of the formula: <Please insert the chemical formula here as it appears in the paper copy.> wherein a is at least 20, and at least one of b and c are at least one, X is oxygen or nitrogen; R1 is a covalent bond or a divalent (hetero)hydrocarbyl group; Sil is a polydialkylsiloxane; and x is 1 or 2.

First claim

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What is claimed is: 1. A composition comprising a copolymer of the formula: wherein a is at least 20, and at least one of b and c are at least one; X is oxygen or nitrogen; R 1 is a covalent bond or a divalent (hetero)hydrocarbyl group; Sil is a polydialkylsiloxane, and x is 1 or 2. 2. The compositio…

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What does patent US9102845B2 cover?
A siloxane-functional isobutylene copolymer and use thereof is described. The copolymer is of the formula: <Please insert the chemical formula here as it appears in the paper copy.> wherein a is at least 20, and at least one of b and c are at least one, X is oxygen or nitrogen; R1 is a covalent bond or a divalent (hetero)hydrocarbyl group; Sil is a polydialkylsiloxane; and x is 1 or 2.
Who is the assignee on this patent?
3M Innovative Properties Co
What technology area does this patent fall under?
Primary CPC classification C09D123/283. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Aug 11 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).