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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9963648 B1

PDFFull Text
Date of Patent:
May. 08, 2018

Filed:

Jun. 18, 2014

Process for the preparation of branched polyolefins for lubricant applications

Applicant:

Dow Global Technologies Llc, Midland, MI (US);

Inventors:

Paul R. Elowe, Midland, MI (US);

Wanglin Yu, Pearland, TX (US);

Brad C. Bailey, Midland, MI (US);

Daniel J. Arriola, Midland, MI (US);

Jerzy J. Klosin, Midland, MI (US);

Suh Joon Han, Schwenksville, PA (US);

Zenon Lysenko, Midland, MI (US);

Martin R. Greaves, Baar, CH;

Assignee:

Dow Global Technologies LLC, Midland, MI (US);

Attorney:

Brooks, Cameron & Huebsch, PLLC

Primary Examiner:

Ellen M Mcavoy

Int. Cl.
CPC ...
C10G 69/12 (2006.01); B01J 31/22 (2006.01); C10M 107/04 (2006.01); C10G 50/02 (2006.01); C10M 177/00 (2006.01); C10M 107/08 (2006.01); C10M 107/10 (2006.01); C10M 105/04 (2006.01);
U.S. Cl.
CPC ...
C10G 69/126 (2013.01); B01J 31/2239 (2013.01); C10G 50/02 (2013.01); C10M 105/04 (2013.01); C10M 107/04 (2013.01); C10M 107/08 (2013.01); C10M 107/10 (2013.01); C10M 177/00 (2013.01); B01J 2231/20 (2013.01); B01J 2531/46 (2013.01); B01J 2531/48 (2013.01); B01J 2531/49 (2013.01); C10G 2300/1088 (2013.01); C10G 2400/10 (2013.01); C10M 2205/0225 (2013.01); C10M 2205/0265 (2013.01); C10M 2205/0285 (2013.01); C10N 2220/022 (2013.01); C10N 2220/028 (2013.01); C10N 2230/02 (2013.01); C10N 2230/08 (2013.01); C10N 2260/02 (2013.01);
Abstract

Processes to prepare branched polyolefins for lubricant applications comprise combining at least one olefin and a coordination-insertion catalyst under conditions such that at least one oligomer product is formed. Low molecular weight by-products are fractionated out and the oligomer product is converted to a saturated hydrocarbon via hydrogenation.

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Elowe, Paul. (2018). Process for the preparation of branched polyolefins for lubricant applications (U.S. Patent No. 9963648). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9963648

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