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Pentamethylene diisocyanate, method for producing pentamethylene diisocyanate, polyisocyanate composition, polyurethane resin, and polyurea resin
US9376404B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9376404-B2 |
| Application number | US-201514962369-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 8, 2015 |
| Priority date | Mar 9, 2011 |
| Publication date | Jun 28, 2016 |
| Grant date | Jun 28, 2016 |
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- Title
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Abstract
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A Pentamethylene diisocyanate is obtained by phosgenating pentamethylenediamine or its salt obtained by a biochemical method, and contains 5 to 400 ppm of a compound represented by the general formula (1) below and a compound represented by the general formula (2) below in total:
First claim
Opening claim text (preview).
The invention claimed is: 1. A polyisocyanate composition produced by modifying a pentamethylene diisocyanate obtained by phosgenating pentamethylenediamine or its salt obtained by a biochemical method and contains 5 to 200 ppm of a compound represented by the general formula (1) below and a compound represented by the general formula (2) below in total, wherein the polyisocyanate composition contains at least one functional group of (a) to (e) below: (a) an isocyanurate group, (b) an allophanate group, (c) a biuret group, (d) a urethane group, and (e) a urea group,
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Classifications
formed by oligomerisation of aliphatic and/or cycloaliphatic isocyanates or isothiocyanates · CPC title
by reaction of amines with carbonyl halides, e.g. with phosgene · CPC title
- C07D251/34Primary
Cyanuric or isocyanuric esters · CPC title
of a saturated carbon skeleton · CPC title
- C07C265/14Primary
containing at least two isocyanate groups bound to the same carbon skeleton · CPC title
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Frequently asked questions
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- What does patent US9376404B2 cover?
- A Pentamethylene diisocyanate is obtained by phosgenating pentamethylenediamine or its salt obtained by a biochemical method, and contains 5 to 400 ppm of a compound represented by the general formula (1) below and a compound represented by the general formula (2) below in total:
- Who is the assignee on this patent?
- Mitsui Chemicals Inc
- What technology area does this patent fall under?
- Primary CPC classification C07D251/34. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jun 28 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).