Lubricant composition
US-2016362624-A1 · Dec 15, 2016 · US
Lubricant for compression type refrigerating machines
US9683190B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9683190-B2 |
| Application number | US-201314430704-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 27, 2013 |
| Priority date | Sep 28, 2012 |
| Publication date | Jun 20, 2017 |
| Grant date | Jun 20, 2017 |
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Abstract
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The present invention is a lubricating oil for compression-type refrigerators using a difluoromethane (R32) refrigerant. The lubricating oil for compression-type refrigerators contains a first polyvinyl ether compound that is a polymer having a structural unit of a specific structure and has a carbon/oxygen molar ratio of from 3.0 to less than 4.0.
First claim
Opening claim text (preview).
The invention claimed is: 1. A composition, comprising: R32 refrigerant; and a base oil including a first polyvinyl ether compound that is a polymer comprising a structural unit represented by formula (I-1) and wherein the first polyvinyl ether compound has a carbon/oxygen molar ratio of from 3.0 to less than 4.0: where R 1 , R 2 and R 3 each independently represe…
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Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
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Frequently asked questions
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- What does patent US9683190B2 cover?
- The present invention is a lubricating oil for compression-type refrigerators using a difluoromethane (R32) refrigerant. The lubricating oil for compression-type refrigerators contains a first polyvinyl ether compound that is a polymer having a structural unit of a specific structure and has a carbon/oxygen molar ratio of from 3.0 to less than 4.0.
- Who is the assignee on this patent?
- Idemitsu Kosan Co
- What technology area does this patent fall under?
- Primary CPC classification C10M107/32. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jun 20 2017 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).