Friction modifier and lubricating oil composition
US-2015376538-A1 · Dec 31, 2015 · US
Method of manufacturing high quality lube base oil using unconverted oil
US8936715B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8936715-B2 |
| Application number | US-201013695070-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 8, 2010 |
| Priority date | Apr 30, 2010 |
| Publication date | Jan 20, 2015 |
| Grant date | Jan 20, 2015 |
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Abstract
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Disclosed is a method of manufacturing high quality lube base oil (Group III) from unconverted oil having various properties obtained in a variety of hydrocrackers using improved catalytic dewaxing and hydrofinishing, the method including producing unconverted oil of at least one kind in the same or different hydrocrackers; subjecting the unconverted oil to vacuum distillation; supplying all or part of the distillate fractions to a catalytic dewaxing reactor; supplying the dewaxed oil fraction to a hydrofinishing reactor; and stripping the hydrofinished light oil fraction, wherein make-up hydrogen is supplied upstream of the hydrofinishing reactor to increase hydrogen partial pressure, thereby enabling high quality base oil to be manufactured at high yield under optimal process conditions using unconverted oil produced by hydrocracking under various conditions.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method of manufacturing high quality lube base oil, comprising: producing unconverted oil of at least one kind in same or different hydrocrackers; supplying the unconverted oil to a vacuum distillation separator to separate, one or more distillate fractions therefrom, the unconverted oil being a mixture comprising unconverted oil A having a viscosity index (VI) of 100-140, 20-100 ppm sulfur and 3-50ppm nitrogen and unconverted oil B having a vis…
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Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
- C10M101/02Primary
Chemistry & Metallurgy · mapped topic
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- What does patent US8936715B2 cover?
- Disclosed is a method of manufacturing high quality lube base oil (Group III) from unconverted oil having various properties obtained in a variety of hydrocrackers using improved catalytic dewaxing and hydrofinishing, the method including producing unconverted oil of at least one kind in the same or different hydrocrackers; subjecting the unconverted oil to vacuum distillation; supplying all or…
- Who is the assignee on this patent?
- Noh Kyung Seok, Kim Yong Woon, Kim Gyung Rok, and 6 more
- What technology area does this patent fall under?
- Primary CPC classification C10M101/02. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jan 20 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).