# US 10,118,873 B2 · Olefin oligomerizations using chemically-treated solid oxides

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- Number: US 10,118,873 B2
- Document ID: US10118873B2
- Status: Granted
- Kind: B2
- Application number: 15/860,700
- Filed: 2018-01-03
- Published: 2018-05-10
- Granted: 2018-11-06
- Earliest claimed: 2015-12-22
- Assignees: Chevron Phillips Chemical Company LP
- Applicants: Chevron Phillips Chemical Company LP
- Inventors: Qing Yang; Uriah J. Kilgore; Max P. McDaniel; Brooke L. Small; Kenneth D. Hope; Eduardo J. Baralt
- Web page: https://patentgrep.com/patent/US10118873B2

## CPC

- C07C 2/10: with metal oxides
- C07C 9/15: Straight-chain hydrocarbons
- C07C 2521/04: Alumina
- C07C 2527/053: Sulfates or other compounds comprising the anion (SnO3n+1)2-
- C07C 2527/06: Halogens; Compounds thereof
- C07C 2527/10: Chlorides
- C07C 2527/12: Fluorides
- C07C: ACYCLIC OR CARBOCYCLIC COMPOUNDS

## Abstract

The present invention discloses processes for oligomerizing a monomer containing C3 to C30 olefins using a chemically-treated solid oxide, such as fluorided silica-coated alumina and fluorided-chlorided silica-coated alumina.

## Claims

### Claim 1

A polyalphaolefin comprising hydrogenated dimers and trimers of 1-dodecene, wherein the polyalphaolefin has:
a viscosity index greater than or equal to 110;
a kinematic viscosity at −40° C. of less than or equal to 1750 cSt; and
a weight ratio of C24:C36 saturated hydrocarbons in a range from 2:1 to 6:1.

### Claim 2 (depends on 1)

The polyalphaolefin of claim 1, wherein:
the viscosity index is in a range from 110 to 125; and
the kinematic viscosity at −40° C. is in a range from 1300 to 1700 cSt.

### Claim 3 (depends on 2)

The polyalphaolefin of claim 2, wherein the polyalphaolefin comprises at least 50 wt. % C24 saturated hydrocarbons and the polyalphaolefin has a kinematic viscosity at 40° C. in a range from 9 to 18 cSt.

### Claim 4 (depends on 1)

The polyalphaolefin of claim 1, wherein:
the viscosity index is in a range from 110 to 150; and
the kinematic viscosity at −40° C. is in a range from 1200 to 1750 cSt.

### Claim 5 (depends on 4)

The polyalphaolefin of claim 4, wherein the polyalphaolefin comprises at least 75 wt. % C24 saturated hydrocarbons and has a kinematic viscosity at 100° C. in a range from 1.8 to 12 cSt.

### Claim 6 (depends on 1)

The polyalphaolefin of claim 1, wherein:
the viscosity index is in a range from 112 to 150; and
the kinematic viscosity at −40° C. is in a range from 1350 to 1650 cSt.

### Claim 7 (depends on 6)

The polyalphaolefin of claim 6, wherein the polyalphaolefin comprises at least 85 wt. % C24 saturated hydrocarbons and has a kinematic viscosity at 100° C. in a range from 1.8 to 10.4 cSt.

### Claim 8

A polyalphaolefin comprising hydrogenated dimers and trimers of 1-decene, wherein the polyalphaolefin has:
a viscosity index greater than or equal to 110;
a kinematic viscosity at −40° C. of less than or equal to 1750 cSt; and
a weight ratio of C20:C30 saturated hydrocarbons of greater than 2:1.

### Claim 9 (depends on 8)

The polyalphaolefin of claim 8, wherein:
the viscosity index is in a range from 110 to 125; and
the kinematic viscosity at −40° C. is in a range from 1300 to 1700 cSt.

### Claim 10 (depends on 9)

The polyalphaolefin of claim 9, wherein the polyalphaolefin comprises at least 50 wt. % C20 saturated hydrocarbons and the polyalphaolefin has a kinematic viscosity at 40° C. in a range from 9 to 18 cSt.

### Claim 11 (depends on 8)

The polyalphaolefin of claim 8, wherein the polyalphaolefin comprises at least 75 wt. % C20 saturated hydrocarbons and has a kinematic viscosity at 100° C. in a range from 1.8 to 12 cSt.

### Claim 12 (depends on 11)

The polyalphaolefin of claim 11, wherein:
the viscosity index is in a range from 110 to 150;
the kinematic viscosity at −40° C. is in a range from 1200 to 1750 cSt; and
the weight ratio of C20:C30 saturated hydrocarbons is in a range from 2.5:1 to 5:1.

### Claim 13 (depends on 8)

The polyalphaolefin of claim 8, wherein:
the viscosity index is in a range from 112 to 150;
the kinematic viscosity at −40° C. is in a range from 1350 to 1650 cSt; and
the weight ratio of C20:C30 saturated hydrocarbons is greater than 3:1.

### Claim 14 (depends on 13)

The polyalphaolefin of claim 13, wherein the polyalphaolefin comprises at least 85 wt. % C20 saturated hydrocarbons and has a kinematic viscosity at 100° C. in a range from 1.8 to 10.4 cSt.