Flame-retardant polystyene composition

US10131769B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-10131769-B2
Application numberUS-201515532192-A
CountryUS
Kind codeB2
Filing dateNov 30, 2015
Priority dateDec 5, 2014
Publication dateNov 20, 2018
Grant dateNov 20, 2018

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

The invention relates to a polystyrene composition comprising a polystyrene and compound according to formula (III).

First claim

Opening claim text (preview).

The invention claimed is: 1. A polystyrene composition comprising polystyrene and a compound according to formula (III), 2. The polystyrene composition according to claim 1 , wherein the amount of the compound (III) is 1-10 wt % of the total composition. 3. The polystyrene composition according to claim 1 , wherein the polystyrene composition is an expandable polystyrene composition. 4. A compound according to Formula (III), 5. A process for the preparation of the compound according to claim 4 , comprising: (i) reacting phenyl dichlorophosphate and p-cresol in the presence of triethylamine and (ii) reacting pyrrolidine and the reaction product of step (i) to obtain the compound of formula (III). 6. The polystyrene composition of claim 1 , further comprising a polyphenylene ether resin.

Assignees

Inventors

Classifications

  • Flame or fire retardant/resistant · CPC title

  • Chemistry & Metallurgy · mapped topic

  • not modified by chemical after-treatment · CPC title

  • C08K5/5399Primary

    Phosphorus bound to nitrogen · CPC title

  • Polystyrene · CPC title

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Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US10131769B2 cover?
The invention relates to a polystyrene composition comprising a polystyrene and compound according to formula (III).
Who is the assignee on this patent?
Sabic Global Technologies Bv
What technology area does this patent fall under?
Primary CPC classification C08K5/5399. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Nov 20 2018 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).