Reactive flame retardants blends for flexible polyurethane foams

US9309366B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9309366-B2
Application numberUS-201213402266-A
CountryUS
Kind codeB2
Filing dateFeb 22, 2012
Priority dateMar 16, 2011
Publication dateApr 12, 2016
Grant dateApr 12, 2016

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

A flexible polyurethane foam containing a flame retardant blend of at least one diester diol a ring-brominated aromatic compound and at least one epoxy resin.

First claim

Opening claim text (preview).

We claim: 1. A combustion modified flexible polyurethane foam, comprising a polyurethane resin, (a) a diester diol product having a viscosity of 15,000 to about 35,000 cps at 25° C. obtained by reaction of tetrabromophthalic anhydride, diethylene glycol and propylene oxide in a single stage process in the absence of an organic solvent, and (b) at least one epoxy resin comprising at least one cycloaliphatic epoxide, wherein the proportions by weight of components (a) and (b) are in…

Assignees

Inventors

Classifications

  • C08J9/0019Primary

    Chemistry & Metallurgy · mapped topic

  • Chemistry & Metallurgy · mapped topic

  • Chemistry & Metallurgy · mapped topic

  • Chemistry & Metallurgy · mapped topic

  • Chemistry & Metallurgy · mapped topic

Patent family

Related publications grouped by family.

External sources

Next steps

Free tools are coming soon. Tell us what you want to track and we'll notify you.

Frequently asked questions

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

What does patent US9309366B2 cover?
A flexible polyurethane foam containing a flame retardant blend of at least one diester diol a ring-brominated aromatic compound and at least one epoxy resin.
Who is the assignee on this patent?
Powell Jr Carl H, Phillips Matthew D, Falloon Stephen B, and 1 more
What technology area does this patent fall under?
Primary CPC classification C08J9/0019. 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).